This is an authentic BULGARI 18K White Gold Blue Topaz BVLGARI Metropolis Ring 53 6.5. This ring is crafted of an 18 karat white gold shank that holds a faceted blue topaz 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.