The Constellation 813 carat & 404 Carat.Nemesis Int. partner with De Grisogono on both rough diamonds 813 CARAT "The Constellation" The 813-carat gem, named The Constellation, was discovered in Botswana and purchased in May 2016 by the jeweller’s partner, Dubai-based diamond trading company Nemesis International, from mining company Lucara Diamond Corp. for...
