Hong Kong—The “De Beers Cullinan Blue Diamond” is off the market.
In a single-lot sale at Sotheby’s Hong Kong on April 27, the 15.10-carat step-cut fancy vivid blue diamond sold for $57.5 million, soaring past its pre-sale estimate of $48 million.
15-Carat Fancy Vivid Blue Diamond Sells for $57.5M