How Is A Diamond Cut And Polished?
The history of diamond cutting and polishing has its origins in India, where it was discovered a long time ago by Indian lapidaries that a diamond could be made to glisten simply by grinding another diamond against it. Over time modern machinery has replaced traditional diamond cutting tools. Diamond cutting and polishing requires anywhere from several hours to several months to complete. During this process, a diamond will lose on average half of its original weight. As every diamond is different, a stone must first be carefully examined by the cutter and marked for cutting. Of all the cuts, the most popular is the round brilliant because of its ability to give a stone the greatest possible brilliance and fire with the most minimal amount of weight loss. The rough diamond is divided into two parts by sawing or cleaving. Most stones are sawn across the grain by a paper-thin metal disc coated with diamond dust revolving at high speed or by laser. The stones that are marked for cleaving