There’s a lot that goes into fine jewelry shopping. Add diamonds into the mix, and you might feel a bit overwhelmed by all of the lingo — and the prices. But buying jewelry and gemstones online ...

NEW YORK--(BUSINESS WIRE)--The diamond trading platform IDEX Online is making its unique database of diamond prices available for the first time. It will be made accessible via a portal to banks, ...

Diamond jewelry is no small purchase: You’re searching for a piece you or a loved one will wear for years to come, so you should be entirely confident that what you’re buying is authentic and will ...

A rare 555.55-carat black diamond, named "The Enigma," has been listed for auction by Sotheby's and is expected to sell for more than $6 million. The diamond was unveiled in Dubai on Tuesday and will ...

The priciest-ever online sale of a single diamond was completed last month — and the buyer believes he got a bargain on the gem. A 59-year-old businessman from the Midwest bought a massive diamond ...

The top lot in Christie’s upcoming online sale is, the Flawless Star, a 45.46-carat flawless D-color round diamond. Its estimate is $4 to $6 million, which the auction house says is the highest valued ...