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Gem Instruments Gemological Gemstone Refractometer with Storage Case$75.00
GIA Gemological Gem Instruments Diamond Microscope 10x & 30x #760233 W10x-155mm$699.99
Handheld Diffraction Spectroscope, Pocket-Sized Grating Gemological$66.99
iGem Instruments Gemological Gemstone Refractometer with Storage Case$94.00
Silver Diffraction Grating Spectroscope Gem/Gemological Tool for GIA use$38.99
Guide to Affordable Gemology$97.37
GIA Mark V Gemological Microscope American Optical AO Stereo Zoom w Darkfield$1,399.99
ADE Optics - Portable Calcite Dichroscope, GEM tool For GIA and Gemologists use$38.05As an eBay Partner, userbars.org may earn a commission from qualifying purchases.