Fine 13mm-13.9mm White South Sea Pearls Necklace Consign Now DeptJewelrySize13mm x 13.9mm, Length 34 in. Fine 13mm – 13.9mm White South Sea Pearls Necklace, Opera Length, 61 pearls total; 14k yellow gold clasp Length 34 in. Please note that this auction has ended. Click here for an overview of this auction.