Lab Growns are a Girl's Best Friend

Lab Growns are a Girl’s Best Friend

Written by Kat Boskovic

Art by Lauren Mallett

At the jewelry counter, “real” has become a negotiable word. Lab-grown diamonds are chemically identical to mined diamonds. They test the same; they shine the same; they’re often larger, clearer, and dramatically cheaper. When asked about the validity of our lab-grown diamond collection, the manager of the jewelry store I work at compares the sculpted stones to in vitro babies: “Would you tell a kid conceived through IVF that they’re not human?”

And it’s the clever comparison of a saleswoman. No one wants to be the asshole arguing that a lab-grown diamond isn’t “real” after that, certainly not in a store where you have no idea if the girl trying on rings next to you was conceived in a petri dish. The comparison works not because it clarifies the science, but because it shifts the debate from geology to ethics.

However, no tennis bracelet aspirant is actually confused about the chemistry; their eyebrows furrow over the narrative. A mined diamond, though possibly smaller with more blemishes, arrives with a ready-made mythology of tectonic pressure, subterranean darkness, and billions of years of patient formation. The stone on your left ring finger is proof of endurance and carries the romance of having survived—and thrived. Its flashier lab-grown counterpart, however, arrives with a certificate and a warranty, along with a timeline measured in meager weeks.

Since the lab grown diamond’s entrance into commercial relevance fifteen years ago, it now represents 14% of the United States’ total jewelry market; it’s sprung so popular, in fact, that over half of engaged American couples opted for the cost effective option in 2024 (CNBC). Clearly, romance collides with arithmetic at a certain point. If two stones refract the same light, survive the same daily wear, and come with identical grading reports, what exactly is the additional fifteen thousand dollars buying you?

For Frances Gerety, copywriter for British multinational diamond company De Beers Group and genesis of the tagline “a diamond is forever,” the answer was obvious: pedigree. After breadlines spinning around blocks and hefty wartime expenditures, the natural diamond was costly and out-of-reach to the homebound soldier who wanted nothing more than a small house, a steady income, and a life that unfolded predictably across dinner tables and front lawns. Thrusting a mere product in the faces of men who had toiled the last five years in trench warfare wouldn’t work; De Beers needed to sell an idea, a reverie of permanence that could eclipse the memory of artillery fire with guarantee. De Beer’s triptych of delicate women, each cradling blossoms and parting their lips toward the diamond suspended in the dusky sky, and Gerety’s catchphrase scrawled in swoops beneath whispered: one deposit, and this is yours.

But the “forever” that the advertisement sold extended beyond love or stability: it was a claim to social distinction. Diamonds were no longer ring finger adornments, but symbols of status that rendered the sparkle secondary to the story. By the 1980s, 40 years after De Beers launched the campaign, over 80% of engagement rings paraded a diamond, each stone a signal that the wearer could participate in the narrative of rarity, value, and cultural prestige. What had begun as clever marketing solidified into social expectation: the diamond was proof of love—and proof of standing.

But when a near-perfect, three-carat lab stone sits poised in the case for under five thousand, the old logic begins to look theatrical. If the same stone costs up to 16 times more simply because it was blasted from the ground, why pay the voluntary tax to participate in a mythology fewer buyers feel obligated to uphold? Why begin a marriage by incinerating the down payment on a house?

Though we don’t specialize in engagement rings, the jewelry store I work at attracts many couples in search of the perfect wedding band: effortlessly slim, blinding symmetry, pinprick scintillation. Heads nod at the humble prices of lab-grown options, eyes widen at the numbers for their natural counterparts. “If it’s lab,” the bride-to-be asked in a hushed voice, “will people be able to tell?” Not from the stone, I told her. And this simple confirmation, that the cheaper alternative is seemingly identical to the naked eye, is almost always the nail-in-the-coffin for the natural diamond bands.

“I never understood the hate toward lab-grown diamonds,” a college student with a particularly lavish taste once told me over a tray of solitaire studs. “I’d rather put the extra ten grand toward a honeymoon—or anything else.”

And she isn’t alone in this sentiment; there is always a new car, a kitchen renovation, or a year of daycare to redirect savings. Not only are lab-grown diamonds winning over new fiancés, they’re even converting longtime natural-diamond couples. “If the original ring features a one-carat natural diamond, now they’re replacing it for a three or four carat lab-grown option for the same price or less,” Juliet Gomes, customer service manager of fine jewelry brand Ritani, tells CNN Business.

As ashamed as I am to admit it, I often sneak a glance at a customer’s left ring finger to gauge how far I can stretch my 1% commission rate. But a once near-universal shorthand for class has lost its certainty as women with boulders on their hands frown at tennis bracelet prices and opt for our cubic-zirconia alternatives instead. Yet even in this recalibration, the natural diamond can reclaim a measure of social power by leaning even harder into the very narratives that once justified its expense. If a slip of paper attesting to your diamond’s natural origins can’t be produced without looking like a snob, designer settings and brand-name mountings can.

These cues—curved pavé bands, asymmetrical solitaires, engraved logos—would serve as a language of distinction legible only to those fluent in luxury’s lexicon. For most of us, a dozen yachts bobbing in a harbor may as well be identical, but a multi-millionaire can identify the 1990s vintage hull against a sea of mass-produced superyachts; a subtle hallmark instantly sets a natural diamond ring apart from its in vitro neighbors in the case. Value shifts from substance to performance, and a gesture of love and permanence becomes a microcosm of a society obsessed with appearances. In the end, whether mined or manufactured, the diamond’s enduring power lies not in its romance, but the dystopia it codifies: our collective complicity in paying for the story and status, not the stone.