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About the Diamond Cutting Process

Diamond cutting is the process that transforms the rough stone into a finished, polished diamond to be used in jewelry. There are five steps the diamond cutter will perform in the diamond cutting process: planning, cleaving/sawing, bruting, polishing, and the final inspection.

The planning stage is just what it sounds like; the diamond cutter tries to see what the best diamond cut he can make is, based on a desire to maximize the value. The diamond cutter will create a diamond cut that has weight retention as well as color retention. These aspects are important for a high value of a diamond cut. There are many different diamond cuts, such as the round, emerald, pear, oval, princess and marquise cuts. A third consideration in this stage of the diamond cutting process is how quickly a buyer would purchase the diamond.

The cleaving or sawing stage of the diamond cutting process is the cutting apart of a rough mined diamond into separate parts to be made into different diamond cuts. Often, the type of diamond cut created is based on the way the rough diamond is cleaved. The bruting stage is spinning of two diamonds in opposite directions. They grind against each other to create a round shape, the beginning of every diamond cut.

The polishing stage is when the facets are cut and polishing is performed. The facets can be cut different ways depending on which diamond cut is preferred. The final stage of the diamond cutting process is the final inspection. A diamond cutter will clean the diamond in acids and make sure that it meets quality diamond standards set by a manufacturer or the Gemological Institute of America.

As with any other creative endeavor, there are damages that can occur at any point in the diamond cutting process. The culet, or point, can be chipped or off center or a diamond cutter can leave it off entirely. A girdle can be too think or too thin, which will make the diamond cut more vulnerable to damage. There are many more imperfections that can occur with different diamond cuts, so it is best to have a diamond cut inspected before purchasing it.