Item #: 506703 This is an authentic TIFFANY 18K Yellow Gold Twist Heart Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a long chain holding a Tiffany New York heart charm pendant. This is a classic necklace with the signature style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.