Check the listing for details. Grinding Machine Manipulator Faceted Grinding and Polishing Angle Machine. Condition: New. Listed at 224.70 USD. Lapidary Tool Gemstone Faceting Hand for Lapidary Machine with Index Wheels of 96 and 64 for Faceting and Polishing Gemstone. Main functions: Faceting and Polishing the Gemstone. With Faceting holder with scale/vernier for geting the exact faceting and angle of the gem.