This is an authentic POMELLATO 18K Rose White Gold Diamond Blue Topaz Agate Classic Nudo Ring 56 7.5. The ring is crafted of 18 karat rose and white gold, and features a faceted blue topaz and agate doublet and approximately .73 total carat weight. Follow this item for alerts. Pomellato is a registered trademark of Pomellato. FASHIONPHILE is not affiliated with Pomellato.