Los Angeles · Our story

Made with purpose.

We started with one question: why should a diamond cost the earth? The answer became Don Key, lab-grown brilliance worn without compromise.

Don Key lab-grown diamond pendant
The beginning

Born in LA. Built differently.

Don Key grew out of a simple frustration: fine jewelry shouldn't force a trade-off between beauty, ethics and price. We built a brand rooted in Los Angeles, where creativity, culture and a little irreverence live together, to make diamonds that are real, graded and conflict-free by design.

Every stud we make starts in a lab, not a mine. Same carbon. Same fire. Same brilliance.

Don Key lab-grown diamond studs
Made on Hill Street
Our roots

Raised in the diamond district.

Don Key started on the brokering tables of LA's diamond district and grew up inside a family jewelry trade in Downtown Los Angeles. We were among the first to bring lab-grown diamonds to the US market.

Today every piece is still made a few blocks from where it began, on Hill Street, by people who know stones, settings and the small details that make a piece last.

Don Key diamond jewelry made in Downtown Los Angeles
What we believe

Three things we never bend on.

01

Real diamonds. Real science.

Grown in a lab through the same carbon crystallization that happens in the earth. Chemically, optically and physically a diamond.

02

Zero compromise.

No mining and no conflict. Luxury should never come at someone else's expense, human or planetary.

03

LA born. World worn.

Designed under California light for people who move with intention. Studs that go everywhere you do, from sunrise hikes to rooftop dinners.

The science

Same diamond. Smarter origin.

Our diamonds are grown with CVD (chemical vapor deposition). Carbon settles atom by atom onto a diamond seed, recreating in weeks what the earth does over millions of years. The result passes every diamond test, because it is one.

CVDLab-grown method
10Mohs hardness
VS · F–GOur standard, graded in-house
14KSolid gold, 18K on request
“Brilliance isn't borrowed from the earth anymore. It's built, with purpose, precision and a little LA sun.”Don Key · Los Angeles
Our promise

What we stand for.

01

Graded in-house

Every stone is checked on Hill Street for cut, color, clarity and carat. Our standard is VS clarity and F–G color.

02

Honest pricing

Lab-grown lets us offer real diamond quality without heritage markups, and we pass that on to you.

03

Built to last

Set by hand in solid 14K gold and made to be worn every day. If something isn't right, tell us and we'll make it right.

04

Lab-grown by design

No mining, ever. Every diamond we sell is grown, graded and set with intention.

Ready to wear

The one earring you never take off.

Lab-grown, graded in-house and set in 14K solid gold. Made for people who know quality and won't compromise on how it's made.

Don Key bezel diamond pendant