Item #: 464647 This is an authentic TIFFANY & CO 18K Yellow Gold Diamond Heart Pendant Necklace. This beautiful necklace is crafted of 18 karat yellow gold in a heart motif accented with diamonds, approximately .80 total carat weight. Enjoy this classic design, only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.