Diamonds and other gemstones are weighed in metric carats: one carat is equal to 0.2 grams, about the same weight as a paperclip. (Don’t confuse carat with karat, as in “18K gold,” which refers to ...
A 300-carat rare 18th-century diamond necklace was auctioned for $4.81 million and 6.77 billion won in our money. Sotheby's, an auction house, said a rare necklace believed to have been linked to ...
Château de Breteuil/Wikipedia A reconstruction of the 2,800-carat jewel at the heart of the Affair of the Diamond Necklace. By 1784, a grifter named Jeanne de la Motte had entered the picture.
A mysterious diamond-laden necklace with ... Jewels sale for $1.8-2.8 million. But after energetic bidding, the hammer price ticked in at 3.55 million Swiss francs ($4 million), and Sotheby's ...