Gold $4,141.70/oz
The Smart Diamond Guide

Lab-grown diamonds, explained honestly

Same carbon, same fire, same grading labs — grown above ground instead of mined from it. Here's everything we'd tell you at the counter, written down: how they're made, how they compare, and the trade-offs most stores won't mention.

Oval lab-grown diamond engagement ring on ivory silk

A real diamond. Full stop.

A lab-grown diamond isn't a simulant like cubic zirconia or moissanite — it's pure carbon crystallized in the diamond structure, with the same hardness (10 on the Mohs scale), the same brilliance, and the same chemical makeup as a mined stone. The only difference is the address it grew up at.

Every lab-grown diamond we sell is graded by the same independent laboratories — IGI and GIA — on the same 4Cs, with its origin laser-inscribed on the girdle. You'll never have to take anyone's word for it, including ours.

Real diamond, certified

Graded on the same 4Cs

Conflict-free by origin

Lab-grown vs mined, side by side

Lab-GrownMined
What it isPure crystallized carbon — a real diamondPure crystallized carbon — a real diamond
Hardness10 on the Mohs scale10 on the Mohs scale
Fire & brillianceIdentical optical propertiesIdentical optical properties
GradingCertified by IGI / GIA on the same 4CsCertified by GIA / IGI on the same 4Cs
OriginGrown in a lab in weeks, conflict-free by originFormed underground over billions of years
PriceTypically 40–60% less for the same size & gradePremium for rarity and tradition
Resale & rarityWeaker resale — supply keeps growingStronger long-term rarity value

Two ways to grow a diamond

Rough lab-grown diamond crystals fresh from the growth press

HPHT — High Pressure, High Temperature

A tiny diamond seed is placed in a press that recreates the Earth's mantle — immense pressure and heat crystallize carbon around it, growing a rough diamond atom by atom.

CVD diamond growth chamber with plasma growing a diamond seed

CVD — Chemical Vapor Deposition

A diamond seed sits in a chamber of carbon-rich gas. Microwaves break the gas down and carbon rains onto the seed in perfect crystal layers — the same structure nature builds, faster.

Hand wearing an oval lab-grown diamond solitaire ring

Our honest take

Choose lab-grown when you want the biggest, brightest stone for your budget — an engagement ring that looks like $10,000 for half of that. Choose mined when rarity, tradition and long-term value matter more than size. We carry and stand behind both, and we'll never steer you to the one that earns us more. That's the whole point of buying from a family jeweler.

Questions we hear every week

Yes. Lab-grown diamonds are chemically, physically and optically identical to mined diamonds — same carbon crystal, same hardness, same fire. Even trained gemologists need specialized equipment to tell them apart. The FTC recognizes them as real diamonds.

Collection arriving soon

Our hand-selected lab-grown collection is on its way

Tell us what you're dreaming of — engagement ring, studs, pendant — and we'll reach out the moment it lands, or source it for you sooner.