Item #: 1136421 This is an authentic TIFFANY 18K Yellow Gold Peridot Ring 59 8.75. The ring is crafted of 18 karat yellow gold and features a peridot cabochon centered on a tapered, domed band. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.