"The highest bid for the uncut 1,109-carat Lesedi La Rona stone was $61 million, below the minimum reserve price. Sotheby's had estimated the diamond would sell for $70 million, which would have made it the most expensive ever sold at auction." http://www.cnbc.com/2016/06/29/worlds-second-largest-diamond-fails-to-sell-at-auction.html
