This is non-negotiable, you must have it in your office. There are different types of faceting machines, facetron, ultratec, indian machines and thai machines. These are just some brands, you need to be watchful the voltage required in your area that is 110v ac or 220v ac. It is advisable to use an auto-voltage regulator (stabilizer) in case of power fluctuation.
This one is needed to gemstones which do not need facets due to their nature, such as Moonstone and Sunstone. This does not restrict you from faceting these type of gemstones, but by doing so they will lose their attraction.
This machine is needful when you want to divide a gemstone into pieces.
This instrument is for measuring size, length, width, height. It is also good to have a digital metric caliper for accuracy.
This is not a machine, but a qualified person who will handle all the cutting and the polishing of the gemstones professionally known as Lapidary in the gemological term. He /She must be competent enough to do the job well and avoid errors such re-cut.
This is another crucial tool for measuring weight of a gemstone, this must be a Legal for Trade scale which is authorized for such trade with a brand of Legal for Trade on it. Also the scale must be inspected annually by the authorized organization with certificate offered after inspection.
It is also needed for treating
This too is useful even though you may get some gemstones that do not need a loupe. The loupe is the most convenient and affordable magnifier used for gem grading. It is small and portable. You can carry a loupe in your pocket or wear it on a chain around your neck. And, when used by gem cutter with an experienced eye, a loupe is very accurate. Loupes come in two varieties: hand loupes and eye loupes.
Hand loupes are held in one hand for viewing the stone.
Eye loupes are either held in the eye socket or attached to eyeglasses. It takes practice to handle and use a loupe effectively. But loupes are efficient so you must have them in your office.
These usually come with the faceting machines, but it is good to have many of them to help you handle many gemstones at the same time. Most of faceting machines come with 15 dop sticks so if you have 50 rough stones it will be difficult to handle them for little time
This is needed for sticking a stone to a dop-stick