13.75Ct AGL Cert Tiffany & Co. Natural Sapphire & Diamond December 22, 2015 700 × 464 One-of-a-kind Sapphire Rings 13.75Ct AGL Cert Tiffany & Co. Natural Sapphire & Diamond Platinum Ring 13.75Ct AGL Cert Tiffany & Co. Natural Sapphire & Diamond