A remarkably rare 18th-century diamond necklace, possibly tied to a scandal ... The historic piece, weighing approximately 300 carats and composed of around 500 old mine brilliant-cut diamonds ...

Weighing 300 carats - the rare diamond necklace was made in the decade before the 1789 French Revolution. Made up of three rows of diamonds with diamond tassels at each end, the piece has gone on ...

Weighing 300 carats - the rare diamond necklace was made in the decade before the 1789 French Revolution. Made up of three rows of diamonds with diamond tassels at each end, the piece has gone on ...

weighing approximately 300 carats and composed of around 500 old mine brilliant-cut diamonds, was showcased in Sotheby’s 'Royal and Noble' sale in Geneva. Once owned by high-ranking aristocracy and ...

She wore a 140-carat diamond necklace with a 35-carat center marquise diamond. She also wore 28-carat pear-shaped diamond earrings with a 25-carat diamond ring and a 7-carat diamond ring.

Worn at Queen Elizabeth II’s coronation in 1953, the 300-carat diamond necklace sold Wednesday for more than twice its estimate at an auction in Geneva. Tristan Fewings/Getty Images for Sotheby ...