Saturday, March 10, 2018

"De Beers fights fakes with technology as China’s lab-grown diamonds threaten viability of the real gems"

From 2017, but just updated:

The spread of synthetic diamonds in China, originally designed for industrial purposes such as oil drilling, is posing such a threat to the global diamond market that it has forced dominant player De Beers to invest tens of millions of dollars on methods to identify the man-made stones that look exactly like the real thing.