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10 Best diamond gold testers of 2026
Save up to 23% off
Best Choice1
Clicked 76 times in the last monthGTEGold Silver Platinum Diamond Jewelry Tester Appraisal Kit 10K 14K 18K 22K 24K Electronic Scale Test 30X Eye Loupe Magnifier Precious Metals 999 925 Scrap
9.7Exceptional
Our Rating
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Value for Money2
GemtoneGemtone All-in-One Gold, Silver, Platinum & Diamond Jewelry Testing and Appraisal Kit with Solutions, Digital Scale, Diamond Tester, Touchstone, and Accessories
9.5Excellent
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3
SizivikiDiamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection)
23% OffKey specs-
Battery:9V, not included
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Dimensions:5.31L x 0.87W x 1.57H
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Testing Method:Sound alert above 9
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Material:Plastic
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Sound Alert:Yes
9.4Excellent
Our Rating
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4
GTEPurity Testing Kit for Diamonds Gemstones Moissanites Gold Silver and Platinum Jewelry Electronic Digital Diamond Tester Machine JSP GTE
Key specs-
Karat Range:Gold, Silver, Platinum
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Test Types:Jewelry testing
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Accuracy:Fast and accurate
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Portability:N/A
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Power Source:N/A
9.2Excellent
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5
Hqdz-tdProfessional Diamond Tester Pen, High Accuracy Jewelry Diamond Tester, Electronic Diamond Gem Tester and Tester Pen 60X Magnifying Glasses Tool Kit for Novice Expert (Diamond Tester Pen)
9.0Excellent
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6
Hqdz-tdDiamond Tester,Jewelry Diamond Tester Pen+200g/0.01g Mini Jewelry Scale＋60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert,Thermal Conductivity Meter(Diamond Tester +)
8.7Very Good
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7
KETARDiamond Tester Pen – Portable Jewelry Diamond Testers for Real and Fake Gemstones – Professional Gemstone Detector Tool with LED Light, Audible Signal & Battery Operated Design for Accurate Testing
23% Off8.6Very Good
Our Rating
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8
GTEGTE Precious Metal Jewelry Testing Kit Gold Silver Platinum Test Acids Wooden Box 30X Eye Loupe 10K 14K 18K 24K Needle File Cloth Acid
Key specs-
Karat Range:10K, 14K, 18K, 22K
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Test Types:Gold, Silver, Platinum
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Accuracy:N/A
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Portability:Wooden Storage Box
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Power Source:N/A
8.3Good
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9
HqdzDiamond Tester Pen,Jewelry Diamond Tester Pen+30X 60X Mini LED Magnifying Jewelry Eye Loupe Jewelry Distinguish Tool Professional Diamond Selector for Novice and Expert
8.1Good
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10
UVERRechargeable Professional Diamond Tester Pen with UV Light,Rechargeable Diamond Tester Pen＋200g/0.01g Mini Jewelry Scale＋60X Mini LED Magnifying,Professional Diamond for Novice and Expert
11% Off7.9Good
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