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

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

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

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How the Affair of the Diamond Necklace changed history—and why 18th-century jewelry remains an eternal holy grail.