This is an authentic BULGARI Stainless Steel 18K Rose Gold Anish Kapoor B.Zero1 Ring 50 5.25. The ring is crafted of stainless steel and 18 karat rose gold, and features a wide concave band with the BVLGARI logo engraved along the rose gold edges. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.