The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...

“Any vivid blue diamond is a discovery worth celebrating, but one of this size and depth of color is a rare event,” said Quig Bruning, Sotheby’s Head of Jewelry for the Americas & EMEA.

As a set-weights race the colts and geldings in the Blue Diamond Stakes field are required to carry 55.5kg and fillies must carry 53kg. The winner of the Blue Diamond Stakes takes home $1.2 million in ...

Forbes contributors publish independent expert analyses and insights.

Signet Jewelers (NYSE: SIG) has long had many of the elements of an attractive value stock. The company is the world's ...

A man pretending to represent a professional basketball player allegedly swallowed hundreds of thousands of dollars' worth of stolen Tiffany jewelry, according to court documents.

A man pretending to represent a professional basketball player allegedly swallowed hundreds of thousands of dollars' worth of ...

Rihanna rounded out her outfit with a pair of statement sunglasses, opting for a pair of black aviators with orange-tinted ...

Inside, guests are enveloped in a warm, luxurious environment punctuated by delicate Tiffany Blue touches. The first floor ...

Celebrity engagement rings continue to fascinate fans by the sheer size and cost of these tokens of love. But who's worn the most expensive?