Sotheby’s just made a major diamond sale and it was purchase by a bidder over the phone. The sale proves that, even in these turbulent times, collectors are still willing to shell out millions for ...

Sotheby’s will offer a rare 102.39-carat, D color, flawless diamond in a single-lot live auction in Hong Kong on Oct. 5. Leading to the live event, it will also be open for online bidding starting ...

From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than the rest Emma Saaty Selections from the Winston Fancy Color Diamond ...