This is an authentic IRENE NEUWIRTH 18K Yellow Gold Diamond Sapphire Ring size 53 or 6.25. The ring is crafted of 18 karat yellow gold and features a faceted blue sapphire and accented diamonds, weighing approximately .22 total carat weight. Follow this item for alerts. Irene Neuwirth is a registered trademark of Irene Neuwirth. FASHIONPHILE is not affiliated with Irene Neuwirth.