Item #: 1375862 This is an authentic TIFFANY 18K Yellow Gold Diamond .25ct Solitaire Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a prong set solitaire round brilliant cut diamond, approximately .25 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.