A billion-year-old black diamond, which is thought to be the largest cut in the world, was bought using cryptocurrency in an auction for £3.16 million ($4.3 million).
The diamond weighs 555.55 carats. Entrepreneur Richard Heart tweeted that he had won the auction and that he was renaming the diamond to “the Hex.com diamond”, naming it after the company he founded.
The diamond which was initially called “the Enigma” was the world’s largest cut diamond as of 2006 according to the Guinness World Book of Records.