The Largest Fancy Vivid Blue Diamond to Hit Auction
A unique 15.1 carat fancy vivid blue diamond will be offered at a single-lot auction at Sotheby’s Hong Kong, with an estimate in excess of $48 million (HK$380 million), the highest estimate for a blue diamond. The ‘De Beers Cullinan Blue’ was discovered in April 2021 at the Cullinan Mine in South Africa, one of […]