Fine South Sea Multi-Color Pearl and Diamond Lariat Necklace Consign Now DeptJewelrySizeLength 18 in. Fine South Sea Multi-Color Pearl and Diamond Lariat Necklace, with grey and white pearls ranging size from 9mm to 11.5mm, 18k white gold clasp and spacers and .14ct round white diamonds. Length 20 in. Please note that this auction has ended. Click here for an overview of this auction.