Faceting Machines

Faceting Machines – Precision Gemstone Faceting Units

Professional faceting machines for precision gemstone cutting and polishing. From entry-level mast systems to advanced digital angle-control units — designed for faceting quartz, topaz, sapphire, tourmaline, and all standard gem materials.

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Faceting Machine Types

Category Subcategory Notes
Mast Faceting Machines Standard Mast Systems Classic design for consistent angle control and repeatability
Digital Faceting Machines Electronic Angle Control Precision digital readout for advanced faceting and competition cutting
Combo Faceting Units Grind & Polish in One Integrated lap system for grinding, pre-polish, and final polish stages
Faceting Laps & Discs Diamond & Oxide Laps Replacement laps for all faceting stages — Shop Faceting Laps →

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Frequently Asked Questions

  • Q: What is a gemstone faceting machine and how does it work?
    A: A faceting machine is a precision lapidary unit used to cut flat, angled facets onto gemstones at exact angles and azimuths. The gem is mounted on a dop stick attached to a mast or arm that controls the cutting angle. The gem is pressed against a rotating diamond lap to grind each facet to the specified angle, producing the brilliant cuts seen in finished gemstones.
  • Q: What gems can be faceted on a lapidary faceting machine?
    A: Most transparent to translucent gem materials can be faceted — including quartz, amethyst, citrine, topaz, tourmaline, sapphire, ruby, garnet, spinel, and synthetic stones. Hardness 6+ materials are generally suitable; softer materials require finer laps and lighter pressure.
  • Q: What laps do I need to get started with gemstone faceting?
    A: A basic faceting setup requires: a coarse diamond lap (260–325 grit) for pre-forming, a medium lap (600–1200 grit) for shaping facets, a fine lap (3000–8000 grit) for pre-polish, and a polishing lap (tin or zinc) charged with diamond compound or oxide for final mirror polish.
  • Q: What is the difference between a mast faceting machine and a digital faceting machine?
    A: A mast faceting machine uses a mechanical protractor and index gear to set cutting angles — reliable and widely used by hobbyists and professionals. A digital faceting machine adds electronic angle readouts and motorized controls for higher precision, faster setup, and competition-level accuracy.
  • Q: What size lap does a faceting machine use?
    A: Most faceting machines use 6" or 8" laps. Always verify your machine’s master lap diameter and thread specification (right or left hand) before ordering replacement laps or polishing discs.