This London-listed diamond miner reported surging sales even as shoppers increasingly turn to lab-grown gems

Diamond jewelry in the window of a store in the Diamond District (Credit: Stephanie Keith—Bloomberg/Getty Images)

Diamonds may be forever, but their demand doesn’t look to be. 

Lab-grown versions of the gems have upended the traditional diamond industry, snatching customers and market share in a relatively short span of time. That’s threatening an industry which a small handful of diamond companies have long dominated.