This is an authentic BULGARI 18K Yellow Gold Blue Topaz Tronchetto Ring size 51 5.75. This is a stunning ring is crafted of 18 karat yellow gold and features a blue topaz carved center stone. Enjoy this ring for the classic elegance only from Bulgari! Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.