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 ...

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 ...

This is an archived article and the information in the article may be outdated.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. DUBAI, United Arab Emirates (AP) — Auction ...

An employee of Sotheby's Dubai presents a 555.55 Carat Black Diamond "The Enigma". Photo/Kamran Jebreili, AP If you have always dreamed of owning the largest cut diamond in the world then pull out ...

The 55-faceted gemstone is believed to be the largest cut black diamond in the world. Sotheby’s A one-of-a-kind black diamond dubbed the “Enigma" will go up for auction next month and is expected to ...

"The Enigma", the world's largest known cut diamond at 555 carats, went under the hammer in London for £3.16 million (€3.8m) having recently gone on display for the first time. The rare black, or ...