Christie’s will present the largest fancy vivid blue diamond to be offered at auction. Named “The Golconda Blue,” it weighs 23.24 carats and has an estimate of $35 - 50 million. It will be the ...
The De Beers Blue, a 15.10-carat internally flawless step-cut Fancy Vivid Blue diamond fetched $15.4 million at auction. The De Beers Blue, the largest vivid blue diamond ever to appear at auction, ...