This is an authentic MIKIMOTO 18K Yellow Gold Diamond Akoya Pearl 8.5mm Ring 49 4.75. The ring is crafted of 18 karat yellow gold and features a polished band with a cultured white Akoya pearl and six round brilliant cut diamonds weighing approximately .27 total carat weight. Follow this item for alerts. Mikimoto is a registered trademark of Mikimoto. FASHIONPHILE is not affiliated with Mikimoto.