This is an authentic BULGARI 18K White Gold Black Onyx BVLGARI BVLGARI Ring 52 6. The ring is crafted of 18 karat white gold and features a round medallion accented with a black onyx inlay framed with the BVLGARI logo. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.