This is an authentic BULGARI 18K White Gold Blue Topaz B.Zero1 One-Band Ring size 50 or 5.25. The ring is crafted of 18 karat white gold and features blue topaz stones set throughout and the BVLGARI logo engraved on either side. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.