'Absolute Perfection' Diamond Up for Auction

A model holds a pear-shaped perfect D color, Type IIA Flawless clarity diamond weighing 101.73 carats that will be offered for sale for the very first time on May 15, 2013 in Geneva. (Fabrice Coffrini/AFP/Getty)

Ooh la la. On Wednesday in Geneva, Switzerland, Christie's will auction the 'Absolute Perfection' diamond. The largest D color flawless diamond ever auctioned, the 101.73 carat jewel is expected to fetch at least $20 million. According to the Daily Mail, the diamond was cut from a 236-carat rough diamond found in Botswana.