Diamond Polishing Bottom Dop is a tool used in the diamond polishing process. It is a metal holder with a flat bottom that is used to hold and secure the diamond during polishing. The dop is coated with a layer of epoxy or wax to hold the diamond in place securely. The bottom of the dop is flat, allowing the diamond to be polished with precision and accuracy. The diamond polishing bottom dop is available in different sizes and shapes to accommodate different diamond shapes and sizes. Diamond Polishing Bottom Dop is an essential tool for anyone involved in the diamond polishing industry.