Bloomberg reported Monday on the price cuts that unnamed sources told the outlet the diamond miner and seller had applied to their initial sale of the gems to sightholders for the year. With the move, ...

The biggest uncut diamond to be discovered in over a century failed to sell at a Sotheby’s auction, but the chief executive of Lucara Diamond Corp, the company that found the gem, said there was ...

One of the world’s most popular types of rough diamonds has plunged into a pricing free fall, as a growing number of Americans choose engagement rings made from lab-grown stones instead. Diamond ...