18k Gold South Sea White, Gold and Tahitian Grey Pearl Tin Cup Necklace Consign Now DeptJewelrySizeLength 17 in. 9mm-10mm South Sea White, Gold and Tahitian Grey Pearl Tin Cup Necklace, 18k Yellow Gold Chain, pearls measure 9mm-10mm Length 17 in. Please note that this auction has ended. Click here for an overview of this auction.