It used to take the Earth 3 billion years, 2,000-degree temperatures, a little carbon and a lot of pressure to grow a diamond. Now, a new machine can do it in five days. In Kerrville, Texas, a small ...

GIA acquires 30% of Tracr, De Beers's blockchain provenance platform, as natural diamond prices plunge and lab-grown stones grab market share.

Over the past five years, lab-grown diamonds have fundamentally reshaped the diamond jewelry industry, evolving from a niche product into a mainstream choice now accounting for more than 45% of all US ...