Hand crafted · Made on Hill Street · Lab grown

Born fromLight.

Real diamonds, set by hand in the Downtown LA jewelry district. Everyday luxury with California light in every facet.

Don Key lab-grown diamond jewelry
DKLA · 2026
  • Graded in-houseEvery stone checked on Hill Street
  • VS · F–GOur standard clarity and color
  • 14K gold18K and custom on request
  • Insured shippingTracked from our bench to you

Holiday 2026

Order by Dec 15 for Christmas

Every piece is set by hand on Hill Street. Here's the best gift at every budget.

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Size guide

See the difference

Slide to compare any two of our stones. Sizes in millimeters, prices pulled live from the collection.

Slide stone A
Slide stone B
Wider by
Face-up area
Carat weight

Round brilliant, ideal proportions. Millimeters are typical per-stone diameters; every stone is measured in-house.

Custom, start to finish

From loose stone to your hand

  1. 01

    Pick the stone

    Choose shape, size and color with us. Every lab-grown diamond is graded in-house.

  2. 02

    Design it

    We sketch and model your piece in CAD, then 3D print it so you can see it first.

  3. 03

    Set by hand

    Cast and set by our bench on Hill Street, in the heart of the LA jewelry district.

  4. 04

    Wear it

    Finished, polished and shipped insured, ready for everyday light.

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. We were among the first to bring lab-grown diamonds to the US market, and we still make every piece a few blocks from where it began.

VSClarity
F–GColor
14KStandard gold