PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER
Presidium
Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone
Dupeakya
20% off
HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter
HMKIS
31% off
Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones
PRESIDIUM