All the Essential Tools for Jewelry Production Efficiency. Be one step ahead! You don’t need to be a PRO, Jewelers’ Assist will save you time and money by these user friendly features: • Weight & Casting Cost Calculator -Enter the volume of your CAD design to calculate the weight and the approximate cost of your piece in major precious metals (silver, 10K, 14K, 18K, Platinum) -Easily transfer your casting cost to “Jeweler’s Ledger” • Scrap Metal Calculator - Calculate the value of your scrap