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Lint-free fabric effectively removes oily film and dirt. Machine washable, long-lasting.
Diamond Sorting Pads (set of 2)
Handy diamond sorting pads. Package of 2...
Contrast Control Spectacles
Protect your eyes from harmful shortwave ultraviolet rays.
Chelsea Color Filter
Helps identify certain green, red and, blue stones. Detects dyes in certain gems like dyed green and blue chalcedony.
GIA Inclusion Pointer
Great for educating customers. Pinpoints gem features as it moves across field of view. Works with all GIA microscopes.
Refractometer LED Lamp (Battery Operated)
Refractometer LED Lamp (Battery Operated) provides monochromatic light to sharpen RI readings.
Dichroscope - Calcite
Simultaneously view a gem's pleochroic colors in sharp contrast. Quickly separate doubly refractive stones like rubies from singly refractive stones like garnets and red spinels.
Diffraction Grating Spectroscope
Compact Unit Produces Clear Bright Spectra with the use of a Low Intensity Light. Lipstick-tube sized spectroscope has fixed focus and slit.
Viewing Cabinet only (includes Contrast Control Spectacles)
UV Viewing Cabinet
The GIA Illuminator Polariscope is the fastest way to test the optical properties of gemstones...
Ethics and Compliance
Careers at GIA
Polariscope Safety Recall
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5345 Armada Drive, Carlsbad, California 92008