This is an authentic BULGARI 18K Rose Gold Diamond Black Onyx Serpenti Viper Pendant Necklace. The necklace is crafted of 18 karat rose gold and features a scale motif circular pendant set with black onyx and diamonds, approximately .20 total carat weight. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.