A 5.5-carat triangular-cut diamond billed as the largest fancy vivid blue-green diamond known to exist sold for $17.3 million ...

The 'Ocean Dream,' 5.5-carat fancy vivid blue-green diamond sold for $17.3 million at the Christie's Magnificent Jewels, ...

"Ocean Dream," the largest blue-green diamond ever recorded, sold for $17 million Wednesday, Christie's auction house said. It was sold for 13.6 million Swiss francs ($17.3 million), a new record for ...

Ocean Dream,' the largest blue-green diamond ever recorded, sold for $17 million on Wednesday, Christie's auction house said.

Sotheby’s has revealed a historic and significant diamond on Monday that is poised to be the centerpiece of its upcoming Royal and Noble sale in Geneva on Nov. 11. This rare 18th-century jewel, which ...

Nita, who is married to Mukesh Ambani, wore an astounding gemstone that has direct connection to the Nizami lineage ...

Over the past five years, the company transitioned into selling its own branded diamond jewelry directly to customers ...

Blue diamonds are considered the rarest and most desired on the market. A particularly big one sold for millions at Sotheby’s on Thursday, scraping just beneath the surface of its $26 million ...

Curtin University researchers studying diamond-rich rocks from Australia's Argyle volcano have identified the missing geological process needed to bring valuable pink diamonds to the Earth's surface ...

Christie's says a 5.5-carat triangular-cut diamond billed as the largest fancy vivid blue-green diamond known to exist has ...