In the age of private sales and auction-house theatrics, the old metrics of diamond value—cut, clarity, carat and color—are only the opening act. True connoisseurs are chasing rarity, provenance ...

Christie’s has announced what is sure to be a blockbuster sale in the jewelry world: the sale of a 23.24-carat fancy Golconda ...

The Winston Red diamond, one of the world’s rarest red diamonds, is now being exhibited, making it the only diamond of its ...

Christie's is getting ready to present The Golconda Blue, the largest Fancy Vivid Blue Diamond ever to be offered at auction.

The Golconda Blue has an estimate of $35-50 million. Here are the reasons why.

To captivate collectors and history enthusiasts alike, the illustrious Golconda Blue diamond is heading to auction. A ...