This is an authentic BULGARI 18K Rose Gold Diamond Mother of Pearl Serpenti Viper Ring size M. The ring is crafted of 18 karat rose gold and features a coiled, flexible snake design set with mother-of-pearl stones and approximately .82 total carat weight of diamonds. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.