Fine 12.1mm-15.1mm South Sea Pearl Necklace, 14k Yellow Gold and Diamond Clasp Consign Now DeptJewelrySize12.1mm-15.1mm Length 35 in. Fine 12.1mm-15.1mm South Sea and Tahitian Pearl Necklace, natural multi-colors of gold, grey and white, 14k yellow gold and diamond clasp Length 35 in. Please note that this auction has ended. Click here for an overview of this auction.