This is an authentic MIKIMOTO 18K Yellow Gold Diamond Pearl 7.5mm Twist Ring 47 4. The ring is crafted of 18 karat yellow gold and features a 7.5mm white cultured Akoya pearl and diamonds, weighing approximately .08 total carat weight. Follow this item for alerts. Mikimoto is a registered trademark of Mikimoto. FASHIONPHILE is not affiliated with Mikimoto.