The 10.38-carat gemstone, which carries an estimate of $3 million to $5 million, was owned by generations of European royalty ...

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Before her failed effort to flee Paris in 1791, Marie Antoinette handed a diamond to her loyal hairdresser. It's now ...

The diamond and turquoise tiara sold for 889,400 pounds, three times the estimate, at Bonhams’ London Jewels sale.

They come in hot pink. And red and orange. And a spectrum of greens. There is a watermelon variety, too, which is exactly ...

Bonhams said it was the first time the tiara had been on the market since it was bought by her husband Lord Waldorf Astor in ...