Fine 12.1mm-15.1mm South Sea and Tahitian Pearl Opera Length Necklace Consign Now DeptJewelrySizeLength 35 in. Fine 12.1mm-15.1mm South Sea and Tahitian Pearl Opera Length Necklace, white, gold and grey pearls, 14K yellow gold and diamond clasp, 65 pearls total. Length 35 in. Please note that this auction has ended. Click here for an overview of this auction.