This is an authentic MIKIMOTO 18K Yellow Gold Diamond Akoya Pearl Circle Brooch. This stunning brooch is crafted of 18 karat yellow gold and features 5.5-6mm Akoya pearls with diamonds weighing approximately .33 total carat weight. This is a magnificent brooch from Mikimoto! Follow this item for alerts. Mikimoto is a registered trademark of Mikimoto. FASHIONPHILE is not affiliated with Mikimoto.