A 90% shortfall is a joke. And it would be funny, expect that the 10% we are spending is going to the wrong tool anyway.

Remember the Milk mustache, Beyoncé, Muhammad Ali, David Beckham: over 300 celebrities featured in the campaign’s 20-year run. Hundreds of millions of dollars were spent at its peak, awareness hit 90%, and the agencies won every award possible.

US per capita milk consumption fell 46%; it fell before, during, and after the campaign. The most talked about advertising campaign in the US advertising industry did not increase consumption by a single percentage point.

Notice what milk actually bought. Full-page ads, the biggest names in the world in them, and every reader knowing exactly what they were looking at. It bought attention, and attention is what it got: 90% awareness, every award going, and a category that shrank the whole time.

Now consider a category that did reverse, without spending a dollar on advertising. Milk’s own child: butter.

Before WWII, the split between butter and margarine was 85% : 15%. Rationing during the war broke people’s butter habit, and by 1976 the roles had reversed: margarine held 75% of the category, butter 25%.

But here is the twist: by 2005, butter consumption had surpassed margarine even though it cost more. In 2015, butter was back up to 62% of the category.

Do you remember “Got Butter?” Campaigns? No. Because there weren’t any. Big Butter didn’t spend hundreds of millions promoting butter. To tell you the truth, there is no Big Butter either. The reversal started with a 1993 paper by Walter Willett from Harvard published in The Lancet that identified the link between trans fats and heart disease.

And no one was driving the narrative, no big butter funding research, amplifying the findings or pushing labelling norms. That is perhaps why the reversal took 30 years. A half-decent effort would have plausibly compressed the timelines.

But notice the precondition. The story was true. Trans fats were genuinely harmful. The science held up; if it hadn’t, there would have been no reversal.

Diamonds are not milk. Nobody needs one; you have to make them want one. If two decades of effort and hundreds of millions of dollars spent for something that everyone needs didn’t work, what chance do we have?

But someone did create a desire for diamonds once. De Beers hired N.W. Ayer in 1938 to create demand from scratch. There was no diamond engagement ring tradition before that. We all like to remember it as the greatest advertising campaign in history. Except that it wasn’t an advertising campaign at all.

In 1938, Harry Oppenheimer arrived in New York to engage N.W. Ayer to get diamonds out of the slump that had hit the trade hard after the depression years. The agency at that time found that only 10% of the engagement rings sold in the US contained diamonds. In their own words, they described it as a mass psychology problem they needed to solve.

One of the first things they did was reach out to Hollywood. They got them to insert diamond scenes into films. Claudette Colbert in Skylark, Merle Oberon wearing forty thousand dollar diamonds in That Uncertain Feeling. They even got Paramount to change the title of one of their films from “Diamonds are Dangerous” to “Adventures in Diamonds”

This alone increased sales by 55% in three years; there was no “Diamonds are forever” slogan yet.

In 1946, they started “Hollywood Personalities,” a weekly editorial service, feeding diamond stories to newspapers. These were not ads; it was editorial content. Next year they commissioned portraits of “engaged socialites” and had them placed as news photography. At the time, Ayer said, “We spread the word of diamonds worn by stars of screen and stage, by wives and daughters of political leaders, by any woman who can make the grocer’s wife and the mechanic’s sweetheart say ‘I wish I had what she has.’”

They even sent lecturers to high schools across the country. They set up a “Diamond Information Bureau” and made it the place the publishing world called for anything about diamonds, which meant they got invited into articles they hadn’t originated.

The list of tactics they adopted is long, but the most telling part is not the tactics but how they described it themselves. As Edward Jay Epstein recorded, Ayer’s memo to De Beers read: “It is the responsibility of the publicity effort to gain access to the editorial and news columns of magazines and newspapers, and thereby become part of the publication itself. In this manner, it carries the authority of a disinterested source.”

Frances Gerety wrote “A Diamond is Forever” only in 1947. It became the signature line in 1948. By that time, the PR operation was already running for a full decade. That slogan didn’t build the market; it merely amplified what PR had already built.

By the early 2000s De Beers was spending around $180 to $200 million a year on generic advertising, and when it cut that spending in 2008 the industry panicked. It panicked about the wrong thing. The advertising had been coasting on a foundation laid decades earlier, and that foundation had been abandoned long before the ad budget was.

That is the difference. Milk bought attention and got attention. Ayer bought belief, and belief is what built the market.

Which is why the money argument, real as it is, was never the whole problem. Branding won’t work. The money isn’t there. And even with the money, advertising isn’t the tool.

But PR only works if there is something true to say. Trans fats were genuinely harmful; that is why butter came back. So the question that matters now is the one butter raised. Do diamonds have a true story to tell?

I think they do. One idea per part from here.

But this is not about the persuasive message. The question we are asking is: assuming we have a message that is just as persuasive, what would it cost to get it in front of people?

What It Costs

The primary market for natural diamonds is the US and will remain so for years to come. Let’s start there.

Got Milk?

Remember the campaign? Launched in 1993 on a budget of $23 million, it scaled countrywide on an $80 million budget. It ran for the good part of two decades and left a cultural mark in the USA.

That $80 million, inflation adjusted, is about $177 million today.

To run a campaign for a similar effect, where would we spend the money today? Digital? Social media? Actually, TV still rules for a campaign like this. Digital is very good when you need targeting, but to reach people at national scale you need TV.

At today’s rates TV alone would run about $40 to $60 million annually. Then to enhance the reach you need to spend $15 to $20 million on streaming, a similar amount on social media, and then top it off with print and out of home at another $5 to $10 million each. That brings us to a ballpark of $85 to $130 million. Which, if you’d notice, is still under the $177 million that campaign cost in today’s money.

After all this we have still covered only America. China, India and the Gulf carry as much of the global demand. Chinese media costs are comparable to the US. India is much smaller in budget, but with its young population the scale required is huge. Then there is the rest of the world. We could safely assume the real global number is 3x to 4x our US estimate. Take the midpoint of that estimate, $110 million, and the global requirement is $330 to $440 million a year.

What the Industry Actually Spends

The primary body tasked with marketing diamonds to the world is the Natural Diamond Council, whose budget at its peak in 2021 reached $84 million. After Alrosa suspended its funding in March 2022, it fell to $36 million by 2024.

And not all of that $84 million was spent on media buy. Money for production, creative, agency fees, research, staff and operations all came out of the same budget. Our estimate of $85 to $130 million is for media buying alone. So whatever the headline number was, the actual media space bought was a fraction of it.

But hold that thought for a second. The astonishing part is that under the Luanda Accord signed in June 2025, each signatory commits to channel 1% of their rough sales revenue to collective marketing efforts. The keyword here is signatories, not necessarily all diamond producers in the world. That doesn’t really matter though. Even if every single producer in the world were to sign on the dotted line, this is what the funding would look like.

The math is straightforward. In 2024 global rough diamond production was valued at $11.48 billion. In 2022, the strongest year on record, it had reached $15.96 billion. Putting the 1% requirement on it yields a figure somewhere between $115 and $160 million. That doesn’t give enough funds for a serious effort in the US, let alone the rest of the world.

To put it simply, the Luanda Accord mechanism was sized to what the producers would agree to, not to what the job requires.

And that Got Milk campaign? It ran for nearly twenty years at a budget the diamond industry has never been able to sustain. And yet milk consumption per capita kept falling the entire time. Spending at scale is necessary. It is not sufficient.

Whether advertising is even the right way to spend it is Part Three.

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Incase you missed it.

Take a 1 carat G VS1 XXX N stone. It trades in a narrow band. Its identity is its grade. Who cut the stone or where it came from rarely moves its price. The certificate is what sets its price.

For a luxury product, price shouldn’t be its primary decision variable. When someone buys a Birkin they are not comparing it to other bags. The brand makes the price shopping irrelevant.

The way a product does that is by having something instantly recognizable by anyone who sees it. It could be the unique iconic design of a Birkin, or the Louis Vuitton monogram on a bag. The Rolex crown on a watch face. It changes what a consumer sees in the product, from the cost of leather or steel in these cases, to what it means to own the object.

It does this by absorbing the raw material entirely. Nobody walks into Hermès knowing what the hide cost. You cannot take a Birkin apart and expect to get any value for the leather. There is no market for the ingredients, so there is nothing to compare against.

A diamond is sold set in jewelry. But unlike leather in a Birkin, it is not transformed by what surrounds it. It remains itself, with its own identity and its own price, whatever the setting around it. It can be unset, recut, resold, and reset.

A consumer can take a certificate number shown to them at one counter and find the same stone listed at another retailer. Not a similar stone. That stone. A Birkin buyer has nothing to compare against.

Whatever the setting, whatever the store’s name on the box, the stone underneath remains comparable. The mark would have to go on the stone itself.

Owning a luxury object sends two signals. One goes outward, to the world, and needs a visible mark to work. One stays with the owner, who knows what they have regardless of what the world sees.

A diamond has to work the same way, and this is where it breaks. Forevermark tested whether it could carry the first kind. De Beers inscribes a brand mark directly onto the stone itself, readable with a standard loupe. But it always needs the loupe. Nobody carries one to a dinner party. A monogram is visible at a glance, every time. This mark is not. That is one of the reasons the program never scaled. Globally it has been wound down. In the US it has been pulled entirely.

The problem is not particular to Forevermark. It is the stone itself. Every other luxury object offers somewhere to place a mark the world can read, every time, without a tool. A clasp, a dial, a label, a sole. A diamond offers nowhere.

Some have tried proprietary cuts as a way of communicating difference, the shape itself standing in for a mark. The Royal Asscher Cut is a well known example. But even it requires the consumer to look closely to tell it apart from a standard Asscher. Nobody spots it from across the room.

Harry Winston and Graff prove there is a third way. No physical mark on the stone. No proprietary cut. What they sell is curation and reputation, established once, at the point of sale. Nothing about it is visible on the stone afterward. It functions closer to the self-signal than the world signal. But that only works above the commodity layer, where the consumer is no longer consulting a reference price. That model does not scale to where most diamonds are sold.

The second signal, the one the world never sees, does not have this problem. The person carrying an authentic Birkin bag and the person carrying a perfect counterfeit both know which one they have, regardless of what anyone else can tell. A natural diamond works the same way. The wearer knows what they are wearing. That knowledge is part of what they paid for. It needs no mark.

There is one more asymmetry worth naming. Sell a counterfeit Birkin and Hermès can act in court, immediately. A diamond’s protection is thinner. The law can stop a replica from being called natural. It cannot stop it from being sold, honestly labeled, at a fraction of the price. When you cannot put a logo on the product, and copying it is legal, the only thing left to defend is the cultural agreement that the original means something. That is what category marketing exists to do.

For most of the category’s history this was not an urgent problem. Being a diamond was enough. There was nothing else to be. The cultural agreement held not because anyone defended it but because nothing challenged it.

Lab-grown changed that. For the first time the consumer has a choice between two objects that are physically identical and priced worlds apart. The cultural agreement that a natural diamond means something can no longer be taken for granted. It needs to be actively maintained. That is a job the industry never took seriously. Now it must. And the gap between what the industry is currently spending to defend it and what defending it actually requires is a number nobody wants to see written down.

But take the argument seriously on its merits. They are pointing at something real: the 4Cs system was built for natural diamonds, and applying it to lab-grown creates a false equivalence. On the diagnosis, they are right. On the solution, they are not.

GIA recognised this last year. They stopped grading lab-grown diamonds on the 4Cs and replaced it with two descriptors: premium or standard. A coarser hierarchy. Still a ranking. The rest of the market didn’t follow. Most LGD still trades on IGI 4Cs reports, and non-certified goods use the same terminology across dealer tables. The problem remains.

The grading system ranks. D above G. IF above VS. Every stone scored against one ideal: how close to colorless, how close to flawless. That hierarchy was built for a product defined by geological rarity. It now governs a product defined by what was deliberately made.

Which brings us here. Put two rings side by side. One contains an E-VVS2. The other a G-VS2. Both well-cut, both the same size. Show them to a consumer and she cannot tell you which is which. Show them to most jewelers under normal store lighting and the answer isn’t obvious to them either. The certificate tells you everything. The stone tells you nothing.

For a natural diamond, that gap is justified. Truly colorless stones are genuinely exceptional in natural production. You are paying for something real, even if you cannot see it. Nature does not take requests.

For a lab-grown diamond, there is no mine. No geological event. The stone exists entirely because someone built a process to create it. No producer found it. They made it. A certificate that ranks that stone against a rarity scale built for geological accidents is measuring the wrong thing entirely. The language needs to change.

What does different look like?

Stop ranking. Start describing.

Every characteristic of an LGD is a decision. Growth conditions, cut angle, shape. None of it happened by accident. The manufacturer made choices. The framework should describe those choices, not measure how close they get to something found.

Describe what was made, not what was found.

Description is not just friendlier nouns for the same hierarchy. The difference is what the buyer can verify herself. How does this stone return light face-up? Is there a bow-tie shadow across that oval, that dark band anyone can see, that no current certificate mentions? Does the shape carry dead weight in the pavilion? These are things she can test. Color grades and clarity grades are authority-decreed. Performance is buyer-verified.

A stone with a warm yellow tone isn’t lower quality to the buyer who finds colorless cold. It is the right product. A cushion cutting as crushed ice, all scatter and movement, isn’t a lesser stone than one cutting as a brilliant. It is a different stone. A salt and pepper diamond with visible inclusions isn’t failing a clarity test. It is passing an aesthetic one that a growing number of buyers are deliberately setting.

The current system grades all three as inferior. The market increasingly disagrees.

A quick objection: most lab-grown diamonds today fall in a narrow colorless band. If variety is the point, isn’t this framework solving for a niche? But that concentration is in large part what a ranking system produces when it tells buyers for decades that colorless is better. The ranking shaped the market. Change the framework and the market can change with it.

A reformed framework describes what the stone actually is. Color character: colorless, near-colorless, warm. Named, not ranked. Cut style: brilliant, crushed ice, old European. Identified, not evaluated. Inclusion character: eye-clean, textured, salt and pepper. Described, not penalized. Alongside the performance variables a buyer can test herself.

This serves the buyer seeking colorless brilliance as well as the one seeking warm old-world charm. The premium attaches to whatever character the buyer came looking for, and to how well the manufacturer delivered it.

This applies beyond lab-grown. Natural diamonds would benefit from better character description too. But for natural diamonds, the rarity dimension earns its place. Geology produced it and geology does not scale. The buyer paying a premium for a D-IF natural is paying for something real. For lab-grown, there is no rarity to grade. Character description is not an addition to the framework. It is the framework.

Inheriting natural diamond grading terminology was not a mistake. It was the rational choice when LGD was positioned as a substitute: borrow the language, borrow the consumer familiarity that came with it. That phase has passed.

The ADPA wants you to drop grading because a product without quality language is easier to dismiss. Don’t give them that. But don’t keep a system built to measure rarity in a product that doesn’t have rarity as its story.

Build the framework for what you actually make. Describe the workmanship. Describe what the consumer sees. Describe the things no natural diamond cutter can claim as a deliberate achievement.

Whether the whole industry moves at once is a different conversation. The direction should be clear.

There is a version of the future where the ADPA is right about grading. As reactor technology and cutting automation improve, quality differences between stones will narrow until ranking them seems largely pointless. That world is coming. But description never becomes irrelevant. Even when every stone is technically identical, buyers still need to know what they are choosing. Warm or colorless. Brilliant or crushed ice. Salt and pepper or eye-clean. That conversation does not end when the reactors improve. It just becomes the only one that matters.

The argument works on paper. Tell me where it fails in the room. Comments are open.

In 1849, a ten year old boy was handed a document he couldn’t fully read and told to sign away everything. The East India Company had just defeated his empire and compelled him, Duleep Singh, heir to the Sikh throne, to surrender his kingdom, his treasury, and one specific item listed by name in the treaty: the Koh-i-Noor diamond. His mother was imprisoned. He spent the rest of his life in exile, trying to reclaim what was taken from him as a child.

What happened to Duleep Singh was wrong. Unambiguously, historically wrong. No serious person argues otherwise.

And yet the Koh-i-Noor is today the most desired, most contested, most written-about diamond in human history. Not despite that story. Because of it. The darkness, the struggle, the human drama across centuries, that is precisely what makes it irreplaceable in the human imagination. You cannot manufacture that feeling. You cannot certify it away either.

It is also worth noting what the Koh-i-Noor actually is as a stone. Type IIa, the rarest diamond classification, originating from over 500 kilometres below the earth’s surface. D colour. Internally flawless by any modern standard. One of the largest gem quality diamonds ever discovered in rough form. By every objective gemological measure, an extraordinary object. There are perhaps a handful of stones on earth that rival it on pure gemological grounds. None of them are desired the way the Koh-i-Noor is desired. The difference is not the stone. It is the story.

Now consider what the diamond industry spent the last two decades doing. It replaced that kind of story, ancient, elemental, human, and yes, morally complicated, with sustainability reports, blockchain certificates, and conflict-free guarantees. It took the most mythologically powerful object category on earth and gave it a compliance manual.

And then it wondered why people stopped wanting diamonds.

When the industry lost its nerve

In 1947, a young copywriter named Frances Gerety was working late at a Philadelphia advertising agency, exhausted and uninspired, trying to find the right words for a De Beers campaign. Before leaving for the night she scrawled four words at the bottom of a picture of two honeymooning lovers and went home. She later said she wasn’t even sure they were good.

They were the greatest four words in advertising history.

From 1939 to 1979, De Beers wholesale diamond sales in the United States rose from $23 million to $2.1 billion. By the early 1980s, more than 80% of American engagement rings contained diamonds. In 1940, that number was just 10%. One campaign. Four words. An entire human ritual invented from scratch.

Notice what those four words were not. They were not conflict-free. They were not ethically sourced. They were not sustainably mined. They were not a certification, a promise, a guarantee, or an apology.

They were a declaration of desire.

De Beers held the same market control in 1939 when diamonds appeared in just 10% of American engagement rings. The monopoly didn’t build the category. The story did.

The industry understood this for decades. The desire narrative kept evolving and kept working. The 1990s Shadows campaign, set to Karl Jenkins’ Palladio, deepened the emotional positioning across a new generation. The 2001 Past, Present and Future three-stone ring created an entirely new gifting occasion from scratch. The 2004 Right Hand Ring campaign opened a market segment nobody had thought to address, women buying diamonds for themselves. Each campaign worked for the same reason Gerety’s four words worked. They sold feeling, not product. Mythology, not compliance.

Then in the early 2000s, De Beers made a strategic decision that would have consequences the industry is still living with today. Concluding that consumers were gravitating toward brands rather than categories, it shelved “A Diamond is Forever,” drastically reduced its generic marketing budget, introduced Forevermark as a retail brand, and urged the rest of the trade to carry the desire narrative themselves.

The industry dropped the baton.

No collective mechanism existed to replace what De Beers had been doing unilaterally for sixty years. The Natural Diamond Council eventually emerged to fill that role but arrived underfunded and without the authority or budget that De Beers had historically commanded. Individual brands pursued individual positioning. The shared desire narrative that had built an $80 billion category began to fragment.

Then came 2006.

Edward Zwick’s Blood Diamond starring Leonardo DiCaprio opened in cinemas worldwide and did something no NGO campaign had managed to do, it made conflict diamonds emotionally real to a mainstream audience. A fragmented industry without a unified desire narrative faced a unified reputational threat. And it defaulted to the only language everyone could agree on: ethics and compliance.

The crisis didn’t create the vacuum. It exposed one that already existed.

“Conflict-free” became the industry’s defining consumer promise. Retailers began labelling their stones, their websites, and their sales floors with the language of ethical sourcing. Sustainability reports replaced brand campaigns. Supply chain transparency became the new aspiration. The industry did what any responsible actor should do when confronted with genuine harm. It addressed it. It built infrastructure. It cleaned its house.

And then it made one catastrophic mistake.

It never stopped talking about it.

The crisis messaging that was appropriate in 2006 became the brand identity of 2010, 2015, 2020. What began as a necessary defence became a permanent posture. The industry that once made the world fall in love with a stone began spending its marketing budget explaining why that stone wasn’t as bad as you thought.

Frances Gerety never once asked you to trust a diamond. She asked you to want one.

That distinction, between trust and desire, between compliance and mythology, is the distance between the industry that built a $90 billion category from nothing, and the industry that is struggling to hold it together today.

The consumer who never showed up

Thirty percent said they would. Three percent did.

That ratio, documented across decades of consumer research and referred to in academic literature as the “30:3 syndrome,” is the most important number the diamond industry never reckoned with. The gap between what consumers say they will do and what they actually do at the point of purchase is one of the most replicated findings in all of consumer psychology. And it is most pronounced in exactly the product categories where desire, symbolism and status drive the decision, which is to say, precisely where diamonds live.

Across a decade of independent research the finding is consistent: ethics messaging does not move luxury purchase decisions in any meaningful way. In the specific case of diamonds, willingness to pay more for ethical sourcing produced no significant impact on what people actually bought. Not a weak impact. No impact at all. And for middle income consumers, the fastest growing diamond buying demographic globally, ethical mindedness produced zero measurable conversion into ethical purchase behaviour.

Worse still, it can actively work against the sale. Sustainability associations reduce consumers’ perceptions of pleasure, self-expression and social value. A consumer deciding whether to make the most emotionally significant purchase of their life is not in a virtuous frame of mind. Compliance language puts them there. That is the opposite of what the industry needs at the moment of purchase.

The industry built its post-2006 brand identity on a consumer who was never going to show up. And a crisis it had already largely solved.

A problem the size of a footnote

The Kimberley Process, endorsed by 82 governments and the UN General Assembly, puts conflict diamonds at under 0.2% of global supply today. Critics of the KP argue, with some justification, that its methodology is imperfect and its definition too narrow. Fair enough. Double the figure. Triple it. Apply whatever error margin you consider honest. You are still talking about a fraction of global supply that does not come close to justifying an industry-wide identity built around ethical anxiety. The crisis was real. The response was necessary. The marketing posture built around that crisis has outlasted it by two decades. And the industry never noticed.

The communities that lived through the conflict diamond era in Sierra Leone, Angola and Liberia deserve acknowledgment without qualification. But those same communities are not best served by an industry paralysed by that history. They are best served by one that is thriving, growing and proud of what it has built.

And here is the argument the industry has been too timid to make. The same regions that generate ethical anxiety around diamonds also produce the cobalt, coltan and gold that end up in every smartphone, electric vehicle battery and laptop on earth. The DRC alone supplies over 80% of the world’s cobalt, extracted under conditions that would make Blood Diamond look restrained. Nobody demands a conflict-free certificate for their iPhone. Nobody builds a brand identity around cobalt ethics.

The moral scrutiny that lands specifically on a diamond certificate was never really about ethics. It was a performance, deployed when convenient, suspended when expensive. The industry accepted that performance as its permanent identity. It shouldn’t have.

Three billion years. No story.

A diamond that had been forming somewhere three billion years ago finally completed its journey to the surface of the earth near Jwaneng, Botswana. It was blasted from kimberlite rock by controlled explosion. To recover it, engineers moved approximately 1,750 tonnes of earth for every single carat of rough diamond the mine yielded, ore crushed, screened, X-rayed, processed through dense medium separation, the earth itself turned inside out in pursuit of something smaller than a thumbnail. The cutting process would later reduce that rough stone by half, meaning the polished diamond that eventually reached a retail case required the displacement of something closer to 3,500 tonnes of rock.

The rough stone was evaluated by a master sorter who had spent twenty years learning to read it, to see in an uncut stone what it might become. Purchased on the trading floors of Antwerp by a dealer whose family had been in the trade for four generations, who knew within thirty seconds of holding it what it was worth and who would want it. Flown to Surat, where ninety percent of the world’s diamonds are cut and polished, and placed in the hands of a karigar who had trained for a decade to make decisions, about angle, about facet, about the precise geometry of light, that no machine has yet learned to make. Set in gold or platinum by a craftsman in Mumbai. And placed in a case in a retail store where a twenty eight year old man stood for forty minutes working up the courage to spend three months salary on a question he was terrified to ask.

That is one of the greatest stories in the material world. Ancient, human, elemental, dramatic, and ending in one of the most emotionally charged moments in a human life.

The industry replaced it with a certificate.

For two decades the natural diamond has been introduced to its buyer not as an object with three billion years of history behind it but as an object that cleared a compliance threshold. The first thing a customer learned about their stone was not where it came from or what it took to get there. It was what it wasn’t. Not conflict. Not problematic. Not something to feel bad about. The industry led with the negative and called it marketing.

Desire cannot be built on a negative. You cannot make someone want something by telling them what it isn’t. The story of that stone, from the explosion at Jwaneng to the trading floor in Antwerp to the hands of a karigar in Surat to the finger it was made for, is not a compliance story. It is a human story. And human stories are what desire is made of.

That is what the natural diamond industry abandoned when it chose compliance over mythology.

The most important strategic shift the industry needs can be enacted in fifteen seconds on a retail floor, starting tomorrow.

When a customer asks “is this conflict-free?” and they will ask, the answer is yes. One sentence. Certified, verified, done. And then the sales associate says: “Let me tell you something far more interesting about where this stone actually came from.”

That pivot, from compliance to story, from certificate to mythology, from transaction to desire, is available to every retailer, in every market, without a new campaign, without a new budget, without waiting for anyone else in the supply chain to move first. The customer came in ready to feel something. That question is not a barrier. It is an opening.

The industry has the story. It has always had the story. It just forgot to tell it.

Closing

The Koh-i-Noor sits in the Tower of London behind bulletproof glass, guarded around the clock, claimed by four countries, desired by millions. No one who has ever stood in front of it has asked for its certificate of ethical origin.

They already know everything they need to know about it. It is ancient. It is irreplaceable. It has survived wars, empires, children and centuries to arrive at this precise moment in human history.

That is enough. That has always been enough.

The diamond industry forgot that desire needs no justification. It only needs a story worth telling.

“No one will know” is the implicit message to every couple buying a lab grown diamond.

Lab grown diamonds are physically diamond. They share the optical, chemical and physical properties of a natural stone. The LGD industry built its market on a single explicit argument: why pay a premium for a natural diamond when you can get a bigger, better stone for a fraction of the price? The explicit argument was price. The implicit argument was permission. Permission to compromise on what the stone is, without anyone knowing you did. No one will know the difference. To the naked eye, to the untrained jeweller, to everyone in the room, there is nothing to know.

It was a difficult argument to counter publicly. To challenge it was to appear defensive, or worse, to appear to be telling consumers they were wrong to want value. So we said nothing. We were caught flat-footed. And while we stood still, they wrote the narrative. We never challenged the claim that physically similarity means equivalency. That a stone grown in a reactor in six weeks is the same thing as one formed over billions of years beneath the earth.

That silence becomes harder to justify when you consider what the LGD industry actually needed to succeed. Moissanite, cubic zirconia and other diamond simulants are, to the naked eye, indistinguishable from diamonds. An average consumer cannot tell the difference. And yet none of them threatened the natural diamond industry the way lab grown diamonds have. The reason is simple.

They could not be called a diamond.

Nobody invested in moissanite at scale because the ceiling was too low. No amount of marketing spend could make the word moissanite carry the weight of diamond. The fact that nobody seriously tried tells you everything about where the meaning actually lives.

The product had to be named after what it was replacing. The LGD buyer is not rejecting diamonds. They are only trying to access a diamond at a lower price of entry. That distinction is everything.

How did we end up here?

We have a penchant for self-inflicted wounds. Diamonds were once the preserve of kings and conquerors. Objects of power, rarity and permanence that ordinary people could only marvel at. Making them accessible to more people was not wrong. Democratising beauty and meaning is not a crime. But somewhere in the race to sell more, we forgot to protect what made them worth wanting in the first place. We competed on price and size. We optimised for reach and sacrificed positioning. And in doing so we diluted the very image we should have been protecting. And while we raced to offer cheaper and bigger, we never talked about the one thing that could never be replicated. Where it came from. How long it took to exist. What it means to own one.

We compounded this by trying to sell diamonds as an investment. The margins that looked large to consumers barely covered the actual costs of the industry, as evidenced by the declining valuations of mining companies, the boom and bust cycles that have battered midstream players, and the steady closure of natural diamond retailers.

The LGD industry used every one of these misadventures as a weapon. They pointed to our margins while staying quiet about their own, which in percentage terms run even higher. They positioned themselves as the ethical underdog. We handed them the script.

The ethical arguments that once fuelled LGD consideration deserve their own honest examination. The conflict diamond era is largely behind us. The overwhelming majority of natural diamonds today come from Botswana, Canada and other producing nations where the industry directly funds infrastructure, employment and national development. We did this quietly, without ever taking credit for it. Another self-inflicted wound. The environmental argument deserves its own rigorous examination and the industry has more to say there than it currently does.

Enough about what we got wrong. The more important question is what we actually have. And the answer to that is best understood not through data but through a moment.

What do we know?

I am a diamond trader. I would buy my wife a lab grown diamond. But I would not have bought her one for her wedding ring.

That distinction is worth sitting with. It is not about what I can afford. It is not about what she would prefer. It is about what that specific moment demanded. A wedding ring was not a purchase. It was a gesture.

Nobody else at the wedding would have known the difference. But I would have. And somewhere, so would she.

That is what “You Know” means. Not that others will find out. Not that anyone will judge the choice. But that the two people closest to that stone carry a private knowledge of what it is and what it is not.

A friend recently left her lab grown diamond ring in a hotel room while on vacation. Her reaction was an oops. A phone call to the hotel. If it had been her wedding ring, a natural stone, she would not have left it in the first place. And if she had, the panic would have been immediate and visceral. Not because of what she paid. Because of what it represented.

The LGD buyer chose the word diamond for a reason. Not moissanite. Not cubic zirconia. Diamond. That choice is an acknowledgment, conscious or not, that the meaning matters. The question the natural diamond industry has never had the courage to ask out loud is a simple one. If the feeling is the same, why did the word matter so much?

Some of those buyers will feel the same way in twenty years. Many will not. But the ones who chose diamond over moissanite have already told us something important about themselves. They want the meaning. They were not yet willing to pay the full price of it. Twenty years of wearing it may close that gap in ways they cannot currently anticipate.

We need to stop competing on price. We cannot win it and we cannot afford to. The moment we engage on price we are accepting that price is the only question worth asking.

And consider this. The entire existence of a lab grown diamond rests on a single variable. It is cheaper than a natural stone. Ask yourself this. If we could mine diamonds cheaper than growing them tomorrow, would anyone still choose the lab grown stone? The answer is a hard no. Their business model is a single variable. Ours is not.

What are we all choosing not to say?

We need to stop being silent about what an LGD is. We have spent years avoiding this conversation. Tell the consumer directly and without apology why it is not the same thing. Not because it looks different. It does not. But because what it is, where it came from, and what it took to exist are not things that can be grown in a reactor in six weeks.

And finally, change the question. We have been asking consumers how much they want to spend. Ask them instead what they want to have in twenty years. Nobody on their twentieth anniversary is thinking about what they paid. They are thinking about what they have. A natural diamond in twenty years is an heirloom. A lab grown diamond in twenty years is a consumer product with a manufacturing date. An heirloom is not an investment. It is an object that outlives the transaction that created it.

The desire to own something real and lasting is not a generational casualty. The same generation that streams music still buys vinyl. The same generation that rents apartments still wants a Rolex. They are not indifferent to meaning. They are waiting for someone to articulate it.

I will be honest about why this feels urgent to me personally. The industry has been in limbo for two to three years. Another five years of the same silence, the same price wars, the same failure to own what we have always owned, and many of us will be out of business before the tide turns. This is not a problem to solve at the next show. It is a conversation we needed to have yesterday.