This is an authentic BULGARI 18K Yellow Gold Diamond Tubogas Ring size 52 or 6. The ring is crafted of 18 karat yellow gold and features a flexible segmented band holding a single pear cut diamond weighing approximately .40 carats, with G color and VS1 clarity. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.