A flawless 101.73 carat diamond sold at auction in Geneva on Wednesday for $26.7 million.
A pear-shaped colorless diamond, the largest ever offered at auction, sold for a record of nearly $27 million.
Auctioneer Christie's said the 101.73 carat "Winston Legacy" diamond, was bought by jewelry firm Harry Winston for $26.7 million on Wednesday in Geneva.
According to NBC News, the diamond was mined in Botswana and cut from a rough stone that weighed 236 carats.
Christie's says it took 21 months to polish.