This is an authentic BULGARI 18K Rose Gold Diamond Serpenti Tubogas Necklace. The necklace is crafted of 18 karat rose gold and features a segmented snake motif collar set with sparkling round cut diamonds, weighing approximately 3.13 total carat weight. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.