No missing stones and could be easily polished but I will leave that up to you as to whether or not you want it shiny or with this vintage look. It is 14 choker length. You could always add an extension chain if you wanted it a little longer. This item is in the category "Jewelry & Watches\Fine Jewelry\Necklaces & Pendants".The seller is "designsbytiti" and is located in this country: US. This item can be shipped to United States.