Hand crafted · Made on Hill Street · Lab grown

Don Key: lab-grown diamond jewelry, handmade in Los Angeles. Born from Light.

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

Lab-grown diamond stud earrings and pendants in 14K gold by Don Key, Los Angeles
DKLA · 2026

Certificate of Authenticity

Every piece comes with its own record.

Before a stone is set, our bench on Hill Street grades it by hand. Each piece ships with a printed certificate and a QR code that opens its record online, for as long as you own it.

  • Cut, color, clarity and carat, graded by hand
  • A unique certificate ID, linked by QR code
  • Look it up, print it or share it any time

Certificates are issued and graded in-house by Don Key.

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New pieces, bench days on Hill Street and how our studs look on real ears.

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