Mystery Buyer Spends $12.3M on a 101-Carat Diamond -- and Pays in Cryptocurrency

A 101-carat diamond has become the most expensive jewel ever purchased with cryptocurrency, according to Sotheby's, the auction house behind the sale. The pear-shaped gemstone sold Friday for the equivalent of $12.3 million, after the auctioneer announced it was accepting offers in bitcoin and ethereum, in addition to traditional forms of payment.