While the classic Round Brilliant continues to reign supreme as the most sought-after diamond shape for engagement rings ...

Christie’s is getting ready to present The Golconda Blue, the largest Fancy Vivid Blue Diamond ever to be offered at auction. Weighing 23.24 carats, this gemstone will headline Christie’s Magnificent ...

If 'The Golconda Blue' went to auction it would have been the largest fancy blue diamond to have been presented at a public ...