This is an authentic BULGARI 18K White Gold Diamond Blue Sapphire Astrea Bypass Ring size 50 or 5.25. The ring is crafted of 18 karat white gold and features a bypass band with blue sapphire at one end and pave diamonds, approximately .15 carats on the other end. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.