This is an authentic MIKIMOTO 18K Yellow Gold Diamond Akoya Cultured Pearl 7mm Ring 50 5.25. The ring is crafted of 18 karat yellow gold and features a 7mm Akoya cultured pearl on a freeform band with a diamonds charm, approximately .05 carat. Follow this item for alerts. Mikimoto is a registered trademark of Mikimoto. FASHIONPHILE is not affiliated with Mikimoto.