11.5mm – 9mm South Sea White, Gold, and Grey Tahitian Graduated Pearl Necklace Consign Now DeptJewelrySize11.5mm - 9mm 11.5mm – 9mm South Sea White, Gold, and Grey Tahitian Graduated Pearl Necklace, sterling chain and bale Length 18 in. Please note that this auction has ended. Click here for an overview of this auction.