The Hortensia Diamond. The diamond, which weighs 20 carats
The Hortensia Diamond was named after the daughter of Josephine and stepdaughter of Napoleon Bonaparte. She married Napoleon’s brother Louis, who Napoleon appointed as King of Holland, which made Hortense Queen of Holland in 1806.
It was stolen and recovered twice, and the Hortensia Diamond now can be seen with the Crown Jewels of France at the Louvre.