Gift from an ex. One back missing…because he mad either missing on purpsose so id have to see him. Jokes on him every jewelry girlie has like at least a dozen random earring backs. If you dont have an extra i can send one but its not matching. I have paperwork for each gem too as they were custom made but i still have to unpack that box/folder. If i find the certs the price is going way up. Get it while its hot..and underpriced.