blue diamond
15-Carat Fancy Vivid Blue Diamond Sells for $57.5M
Hong Kong—The “De Beers Cullinan Blue Diamond” is off the market.
In a single-lot sale at Sotheby’s Hong Kong o...
Previously Unknown Blue Diamond to Be Auctioned
The Farnese Blue, a 6.16 ct. blue pear-shaped diamond that was owned by some of Europe’s most prominent families a...