Best Diamond Detectors

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

HMKIS Diamond Tester Pen, Professional Jewelry Diamond Tester with 60X Jewelry Loupe Magnifier, Diamond Selector for Novice and Expert (Non-Rechargeable)

Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones

PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER

Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Tester Pen Professional (Metal Detection Limitation)

SAM by Presidium, Diamond Tester and Identify a Wider Range of Moissanites

Gem Portable Refractometer, RHG181 1.30-1.81 Presidium Gemstone ldentification Tester for Jewelry, Gold ＆ Silver and Diamond, Lab Refractometers

High Accuracy Diamond Tester Jewelry Diamond Detector Gem Diamond Tester Pen 30X 60X Illuminated Jewelry Eye Loupe Mini Led Foldable Magnifying Jewelry Distinguish Tool and Tweezers

Jewelry Diamond Tester,200g/0.01g Mini Jewelry Scale,60X Mini LED Magnifying Diamonds Kit,Professional Diamond Selector for Novice and Expert,Thermal Conductivity Meter (Diamond Tester+Scale)

High Accuracy Diamond Tester Pen - Jewelry Gem Detector With 30X 60X Illuminated Eye Loupe, Mini LED Foldable Magnifying Distinguish Tool (Black Tester, Black Loupe)