Item #: 508927 This is an authentic TIFFANY 18K Yellow Gold Diamond Seashell Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a seashell pendant with a single diamond weighing approximately .05 carats. This is a beautiful necklace with the whimsical style only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.