Explorers find evidence of a rare green diamond in Finland, with minerals pointing to its origin hidden beneath the ice.

A 9.51-carat blue stone that once belonged to the heiress Bunny Mellon sold for $7 million less than at its last auction, a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ABU DHABI, United Arab Emirates (AP) — A ...

Many a special diamond has been unearthed in Botswana, but this one is something else. A diamond split cleanly in two—one half a soft pink, the other perfectly clear—measuring just an inch long and ...

Art collector Rachel Lambert "Bunny" Mellon's blue diamond pendant, known as the Mellon Blue, has sold for $27.7 million on ...

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

From the Hope Diamond to Queen Marie Antoinette’s pearl pendant, in this ultra-luxe category, $32 million serves as the more affordable end of the spectrum.

Video. Geneva’s November auctions will showcase the 9.51-carat “Mellon Blue” diamond, a Fancy Vivid Blue gem valued at up to $30 million, alongside the Glowing Rose pink diamond and historic jewels ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ABU DHABI, United Arab Emirates (AP) — A ...

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