Gem Quality 14mm x 16.7mm White South Sea Pearl Necklace Consign Now DeptJewelrySizeLength 16 in. Gem Quality 14mm x 16.7mm White South Sea Pearl Necklace, composed of 27 large pearls, 14kt white gold and diamond clasp. Length 16 in. Please note that this auction has ended. Click here for an overview of this auction.