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10 bestDiamond Testersof August 2025

112M consumers helped this year.

1

HMKIS Diamond Tester, Jewelry Diamond Tester, Thermal Conductivity Meter, Can't Test Metal,Must be Operated with Both Hands
HMKIS Diamond Tester, Jewelry Diamond Tester, Thermal Conductivity Meter, Can't Test Metal,Must be Operated with Both Hands

HMKIS

9.9

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2

SkyWhale Diamond and Moissan Tester - High Accuracy Gemstone Hardness Test Tool for Professional Jewelers
SkyWhale Diamond and Moissan Tester - High Accuracy Gemstone Hardness Test Tool for Professional Jewelers

SkyWhale

9.8

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3

Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋200g/0.01g Mini Jewelry Scale＋60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter
Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋200g/0.01g Mini Jewelry Scale＋60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

Szxhf

9.6

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4

M MORRIS Diamond Tester Gemstone Verification Tool - Portable Checker, Battery-Operated Detector With Magnifier, Professional Testing Device (9 Volts, Black)
M MORRIS Diamond Tester Gemstone Verification Tool - Portable Checker, Battery-Operated Detector With Magnifier, Professional Testing Device (9 Volts, Black)

M MORRIS (DEVICE)

9.3

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5

Manovruti Diamond Tester Machine - Portable Gem or Stone Selector Tool With 9V (Black)
Manovruti Diamond Tester Machine - Portable Gem or Stone Selector Tool With 9V (Black)

Manovruti

9.1

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6

Diamond Tester, Jewelry Diamond Testers Pen for Select Diamons and Imitation Diamons for Novice
Diamond Tester, Jewelry Diamond Testers Pen for Select Diamons and Imitation Diamons for Novice

HMJOY

8.8

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7

Jewelry Diamond Testers, Portable Jewelry Diamond Gemstone Tester Selector LED Indicator Detector Tool, Jewelry Accessories
Jewelry Diamond Testers, Portable Jewelry Diamond Gemstone Tester Selector LED Indicator Detector Tool, Jewelry Accessories

Fabater

8.5

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8

High Accuracy Professional Diamond Tester Pen, Jewelry Diamond Tester with 60X Mini LED Magnifying&40X Full Metal Illuminated Jewelry Loop Magnifier,Diamond Selector for Novice and Expert
High Accuracy Professional Diamond Tester Pen, Jewelry Diamond Tester with 60X Mini LED Magnifying&40X Full Metal Illuminated Jewelry Loop Magnifier,Diamond Selector for Novice and Expert

Hqdz-td

8.3

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9

Professional Diamond Selector II, Gold Testing Pen Portable Electronic Gemstone Tester Tool for Agate Ruby Jade
Professional Diamond Selector II, Gold Testing Pen Portable Electronic Gemstone Tester Tool for Agate Ruby Jade

Dupeakya

8.0

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10

Corceptive Professional Diamond Selector, Gold Testing Pen Portable Electronic Gemstone Tester Tool Battery Powered For Agate Ruby Jade
Corceptive Professional Diamond Selector, Gold Testing Pen Portable Electronic Gemstone Tester Tool Battery Powered For Agate Ruby Jade

Corceptive

7.7

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