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

Christie’s has announced what is sure to be a blockbuster sale in the jewelry world: the sale of a 23.24-carat fancy Golconda ...

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 ...

Sotheby’s unveiled the Mediterranean Blue — a newly discovered 10.03-carat fancy vivid blue diamond — at an Abu Dhabi exhibit. It could fetch up to $20 million when auctioned in Geneva next ...