This is an authentic BOUCHERON 18K White Gold PVD Diamond Quatre Black Edition Wedding Band Ring 48 4.5. The ring is crafted of 18 karat white gold and features a studded black PVD band alongside a pave-set diamond band weighing approximately .25 total carat weight. Follow this item for alerts. Boucheron is a registered trademark of Boucheron. FASHIONPHILE is not affiliated with Boucheron.