This is an authentic MIKIMOTO Platinum Diamond Akoya Pearl 9mm Ring size 48 or 4.5. The ring is crafted of polished platinum and features a 9mm white cultured Akoya pearl set between a cluster of round brilliant cut diamonds, approximately .14 total carat weight. Follow this item for alerts. Mikimoto is a registered trademark of Mikimoto. FASHIONPHILE is not affiliated with Mikimoto.