11.5mm – 10mm South Sea White, Gold and Grey Tahitian Pearl Necklace Consign Now DeptJewelrySize11.5mm x 10mm Length 18 in. 11.5mm – 10mm South Sea White, Gold and Grey Tahitian Pearl Necklace, sterling silver chain and bale 11.5mm x 10mm Length 18 in. Please note that this auction has ended. Click here for an overview of this auction.