Lucara Diamond Corp. sold its 812.77 carat, Type IIa diamond recovered from the Karowe mine in Botswana in November 2015 for US$63,111,111 (US$77,649 per carat). As part of the sale, Lucara has partnered with Nemesis International DMCC, and retains a 10 percent interest in the net profit received from the sale of the resultant polished diamonds.

“The 813 carat diamond has been named, “The Constellation’, in collaboration with our partner. William Lamb, President and CEO, commented, ‘We are very pleased with the result from the sale of this magnificent 813 carat diamond as well as the opportunity to further participate in profits earned when the polished product is sold. The sale of the 813 carat diamond is the highest price ever achieved for a rough diamond, breaking all records. This achievement solidifies our reputation in the jewelry industry as one of the most important sources of diamonds of the very highest quality."