description
Fabricate, finish, or evaluate the quality of gems and diamonds used in jewelry or industrial tools.
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details
Currently Employed:
Not Available
Projected Annual Job Openings:
Not Available
Typical Hourly Wage:
Not Available
Typical Annual Salary:
Not Available
Job Listings (0)
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typical training
Typical education needed for entry:
High school diploma or equivalent
Typical work experience needed for a job in this occupation:
No work experience
Typical on-the-job training once you have a job in this occupation:
More than 1 year on-the-job training
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typical job duties
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Examine gems during processing to ensure accuracy of angles and positions of cuts or bores, using magnifying glasses, loupes, or shadowgraphs.
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Assign polish, symmetry, and clarity grades to stones, according to established grading systems.
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Examine diamonds or gems to ascertain the shape, cut, and width of cut stones, or to select the cuts that will result in the biggest, best quality stones.
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Estimate wholesale and retail value of gems, following pricing guides, market fluctuations, and other relevant economic factors.
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Immerse stones in prescribed chemical solutions to determine specific gravities and key properties of gemstones or substitutes.
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Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
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Sort rough diamonds into categories based on shape, size, color, and quality.
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Examine gem surfaces and internal structures, using polariscopes, refractometers, microscopes, and other optical instruments, to differentiate between stones, to identify rare specimens, or to detect flaws, defects, or peculiarities affecting gem values.
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Secure gems or diamonds in holders, chucks, dops, lapidary sticks, or blocks for cutting, polishing, grinding, drilling, or shaping.
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Identify and document stones' clarity characteristics, using plot diagrams.
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tools & technology
Tools:
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Cutting machines
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Faceting laps
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Grinding or polishing machines
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Hammers
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Power saws
Technology:
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Accounting software
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Analytical or scientific software
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Computer aided design CAD software
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Data base user interface and query software
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Internet browser software
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network.
