This is an authentic MIKIMOTO 18K White Gold Black South Sea Cultured Pearl 10mm Strand Necklace 17. This is a classic collar length strand of stunning Black South Sea pearls. These range from 8.5 - 10mm round pearls. The lovely clasp is 18 karat white gold with .02 carats worth of diamond in the clasp button. This is a marvelous piece of fine jewelry for a special accent to a special occasion, with the luxury and style of Mikimoto. Follow this item for alerts. Mikimoto is a registered trademark of Mikimoto. FASHIONPHILE is not affiliated with Mikimoto.