A black diamond that is truly out of this world is going up for auction. The gem, dubbed “The Enigma” by Sotheby’s, is believed to have come from outer space, likely during a meteoric impact billions ...

Sotheby's Dubai has recently unveiled a diamond, also known as Enigma, and it is currently gaining the public and media's attention. It is a rare gem and the largest faceted fancy black diamond sold ...

Black carbonado diamonds are among the rarest gems on Earth, and a 555-carat specimen going to auction in February is especially noteworthy. As the Associated Press reports, "The Enigma" diamond is ...

DUBAI, United Arab Emirates (AP) — Auction house Sotheby’s Dubai has unveiled a diamond that’s literally from out of this world. Sotheby’s calls the 555.55-carat black diamond — believed to have come ...

The Enigma, the world’s largest cut diamond, as verified by the Guinness Book of World Records, is now the face of a rising cryptocurrency. It was sold at auction for an astronomical price – in ...

A BILLION-year-old 555-carat diamond that has baffled scientists has been flogged to a mystery buyer for an eye-watering £3.16million in cryptocurrency. The peculiar black 55-side gem – aptly named ...

A billion-year-old 555-carat diamond that has baffled scientists has been flogged to a mystery buyer for an eye-watering $4.3 million in cryptocurrency. The peculiar black 55-side gem – aptly named ...