After completing the manual cutting procedure, surprisingly little of the valuable source material remains for further processing: Approximately two thirds of the uncut gemstone is lost through the cutting process and only one third is processed into a jewelry stone. The 3D measurement of the uncut gemstone with the smartSCAN not only serves the purpose to minimize this cutting wastage, and in doing so to achieve a higher price; the resulting 3D data also serves as a basis for the subsequent fully automated polishing process.
In order to utilize the uncut gemstone to its optimum potential, the fundamental objective of the gemstone cutter is to identify the best possible cut pattern for each and every source stone, with colored gemstones being characterized by countless combinations of cutting and polishing shapes, proportions and pane patterns. To date, this process used to be entirely carried out by hand, and the choice of the individual cut was based exclusively on the knowledge and experience of the respective craftsman.
The uncut, small-sized gemstone features a very irregular geometry which in the context of its data acquisition pose of particular difficulty for traditional digitization devices. Thanks to an advanced and innovative technology developed by AICON, it is now possible to conduct the cutting and polishing process entirely automated.