This is an authentic TIFFANY 18K White Gold Diamond Double Interlocking Circles Pendant Necklace. The necklace is crafted of 18 karat white gold and features a pendant composed of two interlocking circles, one set with round brilliant diamonds, approximately .17 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.