diamondnews
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...
5-Carat ‘Ai’ Blue Diamond to Sell for $12-15M
Hong Kong—A 5-carat fancy vivid blue diamond ring will be the highlight of Sotheby’s upcoming jewelry auction in H...