Gem and Diamond Workers

A typical week, in the words of people in the job

1. 01Assign polish, symmetry, and clarity grades to stones, according to established grading systems.
2. 02Identify and document stones' clarity characteristics, using plot diagrams.
3. 03Estimate wholesale and retail value of gems, following pricing guides, market fluctuations, and other relevant economic factors.
4. 04Examine gems during processing to ensure accuracy of angles and positions of cuts or bores, using magnifying glasses, loupes, or shadowgraphs.
5. 05Examine 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.
6. 06Examine 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.
7. 07Advise customers and others on the best use of gems to create attractive jewelry items.
8. 08Locate and mark drilling or cutting positions on stones or dies, using diamond chips and power hand tools.
9. 09Secure gems or diamonds in holders, chucks, dops, lapidary sticks, or blocks for cutting, polishing, grinding, drilling, or shaping.
10. 10Select shaping wheels for tasks, and mix and apply abrasives, bort, or polishing compounds.
11. 11Measure sizes of stones' bore holes and cuts to ensure adherence to specifications, using precision measuring instruments.
12. 12Place stones in clamps on polishing machines and polish facets of stones, using felt-covered or canvas-covered polishing wheels and polishing compounds such as tripoli and rouge.

Task statements ranked by how many workers report them · O*NET 31.0

What the posting will be called

Titles reported by employers for this occupation. Search job boards with these, not the O*NET name.