This is an authentic BULGARI 18K Rose Gold White Ceramic B.Zero1 Four-Band Ring 55 7.25. The ring is crafted of 18 karat rose gold and features a white ceramic spiral between two rings of polished rose gold engraved with the BVLGARI logo. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.