YedicoDec 21, 20182 minupdate: Lesedi La RonaAt the 11th International Kimberlite Conference, a report made by senior research scientists at the Gemological Institute of America...
YedicoDec 15, 20172 minupdate: "The Constellation" 813 carat bought by de Grisogono back in may 2016.The rights to the world’s most expensive rough diamond, the 813-carat diamond dubbed “The Constellation”, has been purchased by Swiss...