BBC2y
The Enigma: Billion-year-old black diamond sold for £3.16m
The 555.55 carat black diamond has belonged to its current owner for two decades but little is known about its history before that. A billion-year-old black diamond, believed to be the world's ...
BBC2y
The Enigma: Mysterious black diamond up for auction
The 555.55 carat black diamond has belonged to its current owner for two decades but little is known about its history before that. A billion-year-old black diamond, believed to be the largest cut ...
Business Insider India2y
The Enigma — a 555-carat black gem and the largest diamond ever auctioned — can be purchased with cryptocurrency
Sotheby's is auctioning off a 555.55-carat black diamond, and crypto enthusiasts can bid for it using cryptocurrency. Dubbed The Enigma, the gem was listed in the Guinness Book of World Records as ...