This is an authentic MIKIMOTO 18K White Gold Diamond Akoya Pearl 4.5-7mm Olive Leaf Brooch. The brooch is crafted of 18 karat white gold and features etched leaf motifs set with white Akoya pearls and diamonds, approximately .20 total carat weight. Follow this item for alerts. Mikimoto is a registered trademark of Mikimoto. FASHIONPHILE is not affiliated with Mikimoto.