This is an authentic BULGARI 118K Yellow Gold Chalcedony BVLGARI Metropolis Ring 53 6.5. This ring is crafted of an 18 karat yellow gold shank that holds a polished chalcedony stone and the BVLGARI logo engraved on the sides. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.