How do they match: Gem and Diamond Workers

  • Gem and Diamond Workers

  • Jewel Bearing Maker
  • Jewel Blocker and Sawyer
  • Jewel Sawyer
  • Jewel Setter
  • Stone Setter Apprentice
  • Diamond Sizer and Grader
  • Gem Stone Cutter

  • 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.
  • 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.
  • Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
  • Identify and document stones' clarity characteristics, using plot diagrams.
  • Immerse stones in prescribed chemical solutions to determine specific gravities and key properties of gemstones or substitutes.
  • Measure sizes of stones' bore holes and cuts to ensure adherence to specifications, using precision measuring instruments.

  • Examine physical characteristics of gemstones or precious metals.