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Occupation information for

Gem and Diamond Workers
District Of Columbia

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description

Fabricate, finish, or evaluate the quality of gems and diamonds used in jewelry or industrial tools.

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details

Currently Employed: 30

Projected Annual Job Openings: 0

Typical Hourly Wage: Not Available

Typical Annual Salary: Not Available

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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: None

Typical on-the-job training once you have a job in this occupation: Long-term on-the-job training

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typical job duties

  • Examine gems during processing to ensure accuracy of angles and positions of cuts or bores, using magnifying glasses, loupes, or shadowgraphs.
  • Assign polish, symmetry, and clarity grades to stones, according to established grading systems.
  • 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.
  • Estimate wholesale and retail value of gems, following pricing guides, market fluctuations, and other relevant economic factors.
  • Immerse stones in prescribed chemical solutions to determine specific gravities and key properties of gemstones or substitutes.
  • Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
  • Sort rough diamonds into categories based on shape, size, color, and quality.
  • 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.
  • Identify and document stones' clarity characteristics, using plot diagrams.
  • Secure gems or diamonds in holders, chucks, dops, lapidary sticks, or blocks for cutting, polishing, grinding, drilling, or shaping.

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