Forget the ring: Lab-grown diamonds are a scientist’s best friend

The Washington Post

By Sarah Kaplan

At a drab office park in a Washington suburb, in an unmarked building’s windowless lab, Yarden Tsach is growing diamonds.

Not rhinestones or cubic zirconia. Diamonds. Real ones. In a matter of eight weeks, inside a gas-filled chamber, he replicates a process that usually takes billions of years in the bowels of the planet. Carbon atom by carbon atom, he creates nature’s hardest, most brilliant and — if decades of advertisements are to be believed — most romantic stone.

No outsiders get to witness this genesis, though. WD Lab Grown Diamonds, where Tsach is chief technology officer, guards its approach as zealously as its address. These are the measures a company takes when it’s a target — of fierce competitors, potential jewel thieves and a traditional industry that would very much like it to go away.

“Everything is after us,” Tsach says. He doesn’t mean it as a joke.

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