A pink diamond that is believed to be one of the purest in the world could sell for more than $21 million at auction next month. The "Williamson Pink Star" diamond is 11.15 carats, cushion-cut and has ...

Diamonds might be forever but that doesn't stop them being bought and sold. One stone thought to have once belonged to Marie Antoinette, the last queen of France, has just sold for US$14 million (£10 ...

They say diamonds are forever, but this one is literally “eternal.” Sotheby’s is auctioning off an extremely coveted, colorful gem that’s been billed as “The Eternal Pink” as it is one of the most ...

A rare pink diamond known as the Pink Legacy sold at auction Wednesday for a whopping $50 million (50,375,000 Swiss Francs). The diamond, which is an incredible 18.96 carats, is a rare sight because ...

A stunning pink diamond has sold for nearly $60 million, more than twice the expected price. The massive rock sold for 453.2 million Hong Kong dollars, or around $58 million, on Friday, according to ...

Some 1.3 billion years ago, when a chunk of an ancient supercontinent started splitting apart, hot rock rich with pink diamonds violently blasted through the rift in an explosion bigger than any human ...