Year: 2018 This is an authentic PIAGET 18K Rose Gold Diamond .25ctw Possession Wedding Band Ring 52 6. The ring is crafted of 18 karat rose gold and features rounded rotating bands with the top band set with diamonds weighing approximately .25 total carat weight. Follow this item for alerts. Piaget is a registered trademark of Piaget. FASHIONPHILE is not affiliated with Piaget.