Gem and Diamond Workers
Fabricate, finish, or evaluate the quality of gems and diamonds used in jewelry or industrial tools.
- Tasks
- 14 tasks6 core, 8 supplemental
- Family
- ProductionOne of its 114 occupations
- Code
- 51-9071.06SOC 2018: 51-9071
What the work is made of
6 core tasks and 8 supplemental, each quoted as published, with the survey it came from.
Core: central to the jobSupplemental: done by some, not all
- Task 1. Examine gems during processing to ensure accuracy of angles and positions of cuts or bores, using magnifying glasses, loupes, or shadowgraphs.Core taskTask 15092Rated by 73 people who do the job, June 2008
- Task 2. Assign polish, symmetry, and clarity grades to stones, according to established grading systems.Core taskTask 15093Rated by 73 people who do the job, June 2008
- Task 3. Estimate wholesale and retail value of gems, following pricing guides, market fluctuations, and other relevant economic factors.Core taskTask 15094Rated by 73 people who do the job, June 2008
- Task 4. 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.Core taskTask 15095Rated by 73 people who do the job, June 2008
- Task 5. Identify and document stones' clarity characteristics, using plot diagrams.Core taskTask 15096Rated by 73 people who do the job, June 2008
- Task 6. Advise customers and others on the best use of gems to create attractive jewelry items.Core taskTask 15097Rated by 75 people who do the job, June 2008
- Task 7. 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.Supplemental taskTask 15098Rated by 74 people who do the job, June 2008
- Task 8. Immerse stones in prescribed chemical solutions to determine specific gravities and key properties of gemstones or substitutes.Supplemental taskTask 15099Rated by 72 people who do the job, June 2008
- Task 9. Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.Supplemental taskTask 15100Rated by 75 people who do the job, June 2008
- Task 10. Sort rough diamonds into categories based on shape, size, color, and quality.Supplemental taskTask 15101Rated by 72 people who do the job, June 2008
- Task 11. Secure gems or diamonds in holders, chucks, dops, lapidary sticks, or blocks for cutting, polishing, grinding, drilling, or shaping.Supplemental taskTask 15102Rated by 75 people who do the job, June 2008
- Task 12. Measure sizes of stones' bore holes and cuts to ensure adherence to specifications, using precision measuring instruments.Supplemental taskTask 15106Rated by 75 people who do the job, June 2008
- Task 13. Select shaping wheels for tasks, and mix and apply abrasives, bort, or polishing compounds.Supplemental taskTask 15107Rated by 72 people who do the job, June 2008
- Task 14. Dismantle lapping, boring, cutting, polishing, and shaping equipment and machinery to clean and lubricate it.Supplemental taskTask 15112Rated by 74 people who do the job, June 2008
Where this comes from
Quoted from the U.S. Department of Labor, and credited. Nothing on this page is written by us.
How we copy and credit sources- Published byO*NET 29.0, U.S. Department of LaborEmployment and Training Administration
- ClassificationStandard Occupational Classification 2018, 51-9071
- LicenseCC BY 4.0Free to copy and reuse, with credit
- Changed by usNothing.
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