S/N Name Carat weight Origin Cut/shape Present owners 1 Lone Star 9,719.50 North Carolina cabochon-star Harold Roper 2 Star of India 563.35 Sri Lanka round cabochon-star AMNH-New York 3 Blue Giant of the Orient 486.52 Sri Lanka cushion Unknown 4 Queen Marie of Romania 478.68 Sri Lanka drop-shape cushion Unknown 5 Logan Sapphire 423.00 Sri […]