A diamond is forever, but maybe not for much longer. Spot trading in commoditized clusters of diamonds started in September and the firm behind the electronic exchange aims to launch a futures ...

In a gilded ballroom at the Four Seasons hotel in Geneva last month, the world’s wealthiest collectors and their envoys gathered to bid on the final and most anticipated lot: a nearly 19-carat ...

“A diamond is forever,” but perhaps not for the increasing number of consumers spurning the gemstone for lab-grown counterparts, gold and even other colored gemstones. The slogan was coined by diamond ...

JERUSALEM, June 5 (JTA) — A diamond may be forever, but Israel’s steady supply of rough, uncut diamonds may not be. Sweeping changes in the global diamond industry and political turmoil in ...

The title of “Uncut Gems” could stand in for the whole thing: This is one rough, glittering beast of a movie. It also refers to a valuable black opal, its facets mostly encased in rock, that in the ...

The “Lesedi la Rona,” a 1,109-carat uncut diamond, failed to sell during a stand-alone auction moments ago at Sotheby’s London. It is the world’s largest gem-quality rough diamond to be discovered in ...

When you think of an engagement ring, what do you picture? Perhaps a sparkling solitaire stone, or a halo of smaller gems encircling a central jewel. No matter the style, you’re likely imagining white ...

“A diamond is forever,” but perhaps not for the increasing number of consumers spurning the gemstone for lab-grown counterparts, gold and even other colored gemstones. The slogan was coined by diamond ...