This is an authentic BULGARI 18K Yellow Gold Diamond Blue Sapphire Bombe Ring size 47 or 4.25. The ring is crafted of 18 karat yellow gold and features a dome band with a blue sapphire center stone and two diamond accents, approximately .30 total carat weight. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.