This is an authentic TIFFANY 18K Yellow Gold Citrine Octagonal Sparklers Cocktail Ring 52 6. The ring is crafted of 18 karat yellow gold and features a faceted octagon cut citrine stone prong set atop a polished gold band. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.