The necklace, which has been worn at two British coronations, smashed auction house estimates at a jewelry sale in ...

The “Golden Bachelorette” star Joan Vassos got engaged to contestant Chock Chapple with a stunning 4-carat ring during ...

The 300-carat necklace thought to be at the center of the infamous 'Affair of the Diamond Necklace' that contributed to the ...

Jacques addresses the significance of the astounding Lucara Diamond recently discovered, and GIA's work helping dealers, ...

A necklace thought to contain diamonds from an earlier necklace which embroiled Marie Antoinette in scandal has found success ...

Experts say some of the stones in the piece are a match with the original diamonds central to a royal scandal.

Worn at Queen Elizabeth II’s coronation in 1953, the 300-carat diamond necklace sold Wednesday for more than twice its ...