Biggest diamond ever goes under the hammer – buyer pays with cryptocurrency — RT DE

10 Feb 2022 10:11 p.m A unique black diamond called “Enigma” has sold at an online auction for around 3.7 million euros. Auction house Sotheby’s said the buyer paid for the 555.55-carat gemstone in cryptocurrency. Sotheby’s auction house on Wednesday sold the largest diamond ever offered at auction. The rare black stone “Enigma” changed hands […]