Sotheby’s and Christie’s sold a combined $158,152,390 worth of jewels this week in New York, in sales that were dominated by spectacular named diamonds (flawless, colored, or huge), along with ...

A giant diamond nicknamed "The Rock" went on display for the first time in Dubai on Friday ahead of an auction where it's expected to fetch up to $30 million. The 228.31-carat pear-shaped gem, which ...

(CNN) — A massive 2,492-carat rough diamond, believed to be the second biggest ever found, has been unearthed in Botswana, according to a mining company. The huge stone is thought to be the biggest ...

On Wednesday, a blue diamond at a Hong Kong auction house achieved one of the highest prices for any diamond on the open market. The "De Beers Blue" diamond sold for $57.5 million, Sothebys auction ...