Sterling Silver Genuine Sapphire and Diamond-Accent Round Pendant Necklace , 18" The natural properties and composition of mined gemstones define the unique beauty of each piece. The image may show slight differences to the actual stone in color and texture. Sapphire is September's birthstone. Rhodium plated All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free. Imported