This is an authentic TIFFANY Platinum Diamond Heart Pendant Necklace. This stylish 18 inch necklace is crafted of platinum and features a diamond heart pendant finished with diamonds .17ctw.. This is stunning necklace with the classic style only from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.