Tiffany & Co. sterling silver necklace with black onyx bead details and cultured pearl accents Hook closure This product was sourced for Gilt by a trusted independent supplier Please note that this is a previously owned item; imperfections are a unique aspect of vintage product. Our quality control team has inspected this item and verified that it is in the condition described. Measurements: 18" long, 0.5" at widest point" material="Sterling silver, onyx, and pearl" origin="United States"