Sotheby’s New York’s Magnificent Jewels sale on December 4 will be led by “a highly important 10.62-carat Fancy Vivid Blue diamond”,...

The Oppenheimer Blue is set to be the largest Vivid Blue diamond ever to appear at auction. Auction house Christie’s is to put the...

A new Rare Blue Diamond will go on Auction by Sotheby's Hong Kong on April 5 at the Hong Kong Convention and Exhibition Centre. Known as...