ABU DHABI, United Arab Emirates (AP) — A rare blue diamond was displayed Tuesday at an exhibition of $100 million worth of the world's rarest diamonds in the United Arab Emirates’ capital, Abu Dhabi.

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 ...