The process of cutting and polishing a diamond is a complex and skilled art. It requires a combination of precision, technology, and the keen eye of a master craftsman.
Planning: The first step in the diamond-cutting design process is to determine the rough stone's potential and plan how it will be cut to maximize its value and beauty. This involves analyzing the rough diamond's size, shape, and quality, as well as considering the market demand for certain diamond shapes and sizes.
Marking: The next step is to mark it for cutting. This involves making a series of shallow cuts or grooves on the surface of the diamond, which will guide the cutting process.
Sawing: The next step is to cut the diamond using a laser or a diamond saw. This involves carefully following the marks made in the previous step to create the desired shape and size. The cut diamond is then checked for accuracy and symmetry.
Bruting: The diamond is then transferred to a bruting machine, which consists of two spinning wheels covered in diamond powder. The diamond is placed between the wheels and rotated, gradually shaping it into its approximate final shape and size .
Faceting: The shaped diamond is transferred to a faceting machine, where a skilled craftsman will use a variety of tools to carefully cut and polish the diamond's facets (the flat surfaces on the diamond). This is a highly skilled process that requires a great deal of precision and attention to detail.
Inspection and quality control: After the diamond has been cut and polished, it is inspected to ensure that it meets the quality standards for the specific grade of diamond. This typically includes evaluating the symmetry and polish of the facets, as well as the overall proportions of the stone.
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