Short description of Diamond Calculator 3.21: Diamonds Calculator takes over where the Rap Sheet leaves off. Calculates weight all shapes sizes and cuts of both mounted and unmounted to Market price. No scale No Problem. Adjusts and Corrects the Market price with deductions in several different categories for Diamonds that are away from the norm in Quality. Saves to a text or document file and will print to create a Diamond database inventory record, including personal notes.