These power philanthropists and innovators do more than just champion a cause—they revolutionize the world along the way.<br ...

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

A mysterious diamond-laden necklace with possible links to a scandal that contributed to the downfall of Marie Antoinette, ...

"There is obviously a niche in the market for historical jewels with fabulous provenances," Sotheby's jewelry specialist ...

The top lot at Sotheby’s Royal and Noble sale fetched twice its low estimate following a seven minute bidding battle ...

A diamond necklace, potentially linked to Marie Antoinette, sold for $4.8 million at a Sotheby's auction on Wednesday in ...

A necklace with jewels linked to the most famous scandal of Marie Antoinette's tragic reign surpassed its estimate to sell ...