This is an authentic MIKIMOTO 18K Yellow Gold Diamond Akoya Pearl Ball Ring 51 5.75. The ring is crafted of 18 karat yellow gold and features two 4-4.5mm white Akoya cultured pearls framing a sphere motif set with round brilliant cut diamonds, approximately .48 total carat weight. Follow this item for alerts. Mikimoto is a registered trademark of Mikimoto. FASHIONPHILE is not affiliated with Mikimoto.