Diamonds manufactured by Pure Grown.

Diamonds manufactured by Pure Grown.

Photographer: Jamie Chung for Bloomberg Businessweek

Businessweek

Real Diamond Jewelry for 50 Percent Less! Just Don’t Call It Natural

The centuries-old diamond industry is getting shaken up by small producers and industry giants alike.

If they’re good enough for Leonardo DiCaprio and Penélope Cruz, shouldn’t they be good enough for you?

Lab-grown diamonds, made for decades as an inexpensive alternative to mined stones for industrial purposes, are cracking the consumer market. In recent years, the technology to produce gem-­quality stones has improved dramatically; the new manufactured diamonds are optically, physically, and chemically the same as mined stones.