Item #: 364171 This is an authentic TIFFANY 18K Yellow Gold Diamond Heart Pendant Necklace. This one of a kind necklace is crafted of 18 karat yellow gold and has a heart pendant encrusted with diamonds weighing approximately 0.30 total carat weight. This is a radiant necklace with the classic style only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.