This is an authentic MIKIMOTO 18K White Gold Diamond Black South Sea Cultured Pearl 9-9.5mm Ring Size 49 or 5. The ring is crafted of 18 karat white gold and features a 9.3mm Black South Sea cultured pearl and diamond accents along the band weighing approximately .20 total carat weight. Follow this item for alerts. Mikimoto is a registered trademark of Mikimoto. FASHIONPHILE is not affiliated with Mikimoto.