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Jewelry Diamond Testers
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Jewelry Diamond Testers
Updated: Mar 15, 2025
10 Best Jewelry Diamond Testers 2025 in the United States
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Sponsored
HMKIS
HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter
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#1
Winner
9.9
score
Presidium
Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones
9.9
score
View on Amazon
Sponsored
HMKIS
HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter
View on Amazon
#2
9.8
score
Hqdz
High Accuracy Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector II 9V Battery Included(Black)
9.8
score
View on Amazon
#3
9.6
score
GTE
Gold Silver Jewelry Tester Appraisal Kit 10K 14K 18K 22K 24K Platinum Palladium Test Precious Metals 999 925 Scrap
9.6
score
View on Amazon
#4
9.4
score
Presidium
Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones
9.4
score
View on Amazon
#5
9.2
score
HMKIS
Editor’s Choice
HMKIS Diamond Tester Pen, Jewelry Diamond Tester with 60X Mini LED Magnifying, Thermal Conductivity Meter, Diamond Selector for Novice and Expert
9.2
score
View on Amazon
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