Mikimoto 18K White Gold A+ Akoya Pearls Necklace Earrings Jewelry Set. 18k white gold pearl necklace weighs 14.4g. Akoya pearls measures 3.5mm – 7mm wide in the center. Necklace is 18” long end to end. Necklace stamped”(M) 750′. 18k white gold earrings weighs 1.8g. Both akoya pearls measures 7mm wide. Earrings stamped”(M) 750′. Comes with a Mikimoto jewelry set box. Unless otherwise stated, all items are eligible for 30-day return with no questions asked. We are a small business located in downtown Chicago. Our specialty is pre-owned designer jewelry. Please find confidence in our feedbacks from thousands of satisfied customers. All items have been carefully examined by our professional jewelers to be authentic before we list it for sale.