This is an authentic TIFFANY Sterling Silver 18K Yellow Gold Black Onyx Ring 54 6.75. This beautiful ring features a sterling silver band with a central black onyx stone surrounded by an 18 karat yellow gold rope embellishment. This timeless ring will bring a special style to any look, only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.