This is an authentic BULGARI 18K Pink Gold Steel Anish Kapoor B.Zero1 Ring 51 US 5.75. This elegant ring is crafted of 18 karat pink gold with BVLGARI engraved on each end. An elongated concave band of steel makes this a unique and impressive ring from Bulgari. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.