Item #: 1388295 This is an authentic TIFFANY 18K Yellow Gold Diamond 16mm Elsa Peretti Open Heart Pendant Necklace. This necklace is crafted of 18 karat yellow gold in an open heart motif set with round cut diamonds, approximately .03 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.