Jeanne de Valois-Saint-Rémy’s Necklace Scam

In 1784, Jeanne de Valois-Saint-Rémy, a French noblewoman and a con artist, tricked a cardinal into buying a $15.1 million diamond necklace by pretending to be a confidante of Marie Antoinette. This scam caused irreparable damage to the Crown's reputation and fueled support for the French Revolution.

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