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Diamond/Gem Specialist

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High school (GED) +

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What They Do

Gem and Diamond Workers Career Video

About This Career

Fabricates, finishes, or evaluates the quality of gems and diamonds used in jewelry or industrial tools.

This career is part of the Manufacturing cluster Production pathway.

A person in this career:

  • Examines gems during processing to ensure accuracy of angles and positions of cuts or bores, using magnifying glasses, loupes, or shadowgraphs.
  • Assigns polish, symmetry, and clarity grades to stones, according to established grading systems.
  • Estimates wholesale and retail value of gems, following pricing guides, market fluctuations, and other relevant economic factors.
  • Examines 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.
  • Identifies and documents stones' clarity characteristics, using plot diagrams.
  • Advises customers and others on the best use of gems to create attractive jewelry items.
  • Examines 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.
  • Immerses stones in prescribed chemical solutions to determine specific gravities and key properties of gemstones or substitutes.
  • Holds stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
  • Sorts rough diamonds into categories based on shape, size, color, and quality.

Working Conditions and Physical Demands

People who do this job report that:

  • You would sit most of the time. There's some walking and standing. You may have to lift and carry things like books, papers or tools weighing 10 lbs. or less.
  • Exposure to pollutants, gases, dust, fumes, odors, poor ventilation, etc.
  • Work in this occupation involves using your hands to hold, control, and feel objects more than one-third of the time
  • Work in this occupation requires being inside most of the time
  • Work in this occupation involves making repetitive motions more than one-third of the time
  • Work in this occupation involves sitting more than one-third of the time

Working in this career involves (physical activities):

  • Identifying color and seeing differences in color, including shades and brightness
  • Seeing clearly up close
  • Speaking clearly enough to be able to be understood by others
  • Identifying and understanding the speech of another person

Work Hours and Travel

  • Regular working hours and limited travel

Specialty and Similar Careers

Careers that are more detailed or close to this career:

  • Diamond Cutter
  • Diamond Grader — Grades diamonds according to cut, clarity, color, and carat weight.
  • Diamond Picker
  • Diamond Polisher
  • Diamond Sawer
  • Diamond Setter
  • Facetor — Shapes gemstones by determining the flat polished surfaces to be cut on a gemstone or occurring naturally on a crystal.
  • Gemologist
  • Lapidarist


  • Email Support
  • 1-800-GO-TO-XAP (1-800-468-6927)
    From outside the U.S., please call +1 (424) 750-3900
  • North Dakota Career Resource Network
    ndcrn@nd.gov | (701) 328-9733