Presidium Instruments Gem Tester II (PGT II) Now With Assisted Thermal Calibration (ATC) For Identifying Diamonds/Moissanites And Common Colored

Presidium Instruments Gem Tester II (PGT II) With Assisted Thermal Calibration (ATC) For Identifying Diamonds/Moissanites And Common Colored

Atago 3810 PAL-1 Digital Hand Held Pocket Refractometer, 0.0 - 53.0% Brix Measurement Range

Gemoro Auracle PRO Gold Tester | Accurate Compact Portable Machine With Electronic Digital LCD Display Gold & Platinum Tester | Precision Tool With

Misco PA203X Palm Abbe Digital Refractometer For Fire Sprinkler Maintenance

Gemoro Auracle Analyzer Gold Tester | Accurate Compact Portable Electronic High Karat Gold & Platinum Tester | Precision Jewelry Tool With Expert

Color Muse 2 Colorimeter Paint Color Matching Tool, Color Sensor, Color Reader For Paint Matching And Digital Color Values, Color Scanner For

Nix Spectro L Spectrophotometer And Densitometer- Professional Color Matching Technology, Compatibility With 200,000+ Paints, Spectral Data And

EISCO Premium Quantitative Spectroscope - 400-700Nm Range, 5Nm Accuracy - For Studying Light Sources, Measuring Wavelengths & Color Spectra

HMKIS Diamond Tester Pen, High Accuracy Professional Jewelry Diamond Tester With 60X Jewelry Loop Magnifier, Diamond Selector For Novice And Expert

Sigma Metalytics Precious Metal Verifier PMV Basic Set With Case And Large & Small Wands

Prism Handy Spectroscope Gem Gemstone Lapidary Testing Tool Gemology Instrument

Sekonic SPECTROMETER C-800

Light Meter Digital Illuminance Meter Handheld Ambient Temperature Measurer, Range Up To 200,000 Lux, Luxmeter With 4 Digit Color LCD Screen

Grating Spectroscope Pocket Diffraction Gem Spectrometer Gemological Testing Tools

Ade Advanced Optics Pocket Diffraction Grating Gemological Spectroscope

Presidium GEM Tester II - Colored Gemstone And Diamond Tester Remodeled - NEW