17 février 2022
Sotheby's to offer the largest fancy vivid blue diamond ever to appear at auction
De Beers Cullinan Blue, 15.10-carat step-cut blue diamond. Estimated in excess of US$48 million. Courtesy Sotheby's. NEW YORK, NY .- Sotheby’s announces today that it will present The De Beers Cullinan Blue, an extraordinary natural treasure and one of...