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Jewelry Diamond Testers

10 Best Jewelry Diamond Testers 2025 in the United States

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HMKIS Diam

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

Presidium

Presidium

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

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Sponsored

HMKIS Diam

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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#2
High Accur

Hqdz

High Accuracy Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector II 9V Battery Included(Black)

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#3
Gold Silve

GTE

Gold Silver Jewelry Tester Appraisal Kit 10K 14K 18K 22K 24K Platinum Palladium Test Precious Metals 999 925 Scrap

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#4
Presidium

Presidium

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

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#5
HMKIS Diam

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

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Up to 18% off

#6
Purity Tes

GTE

Purity Testing Kit for Diamonds Gemstones Moissanites Gold Silver and Platinum Jewelry Electronic Digital Diamond Tester Machine JSP GTE

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#7
Gold Silve

GTE

Gold Silver Platinum Diamond Jewelry Tester Appraisal Kit 10K 14K 18K 22K 24K Electronic Scale Test 30X Eye Loupe Magnifier Precious Metals 999 925 Scrap

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#8
PRESIDIUM

Presidium

PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER

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#9
Diamond Te

Hqdz-td

Diamond Tester Pen, Jewelry Diamond Tester with 60X Mini LED Magnifying&40X Full Metal Illuminated Jewelry Loop Magnifier, Thermal Conductivity Meter, Diamond Selector for Novice and Expert

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#10
Jewelry Di

Hqdz-td

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)

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