This is an authentic BULGARI 18K Rose Gold Diamond Black Onyx Serpenti Viper Ring size XXL. Expertly crafted in 18-karat rose gold, the wraparound snake-inspired design is accented with rich black onyx and brilliant round-cut diamonds totaling approximately 0.90 carats. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.