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Best Diamond Gold Testers Deals Online in the US (10 deals found)

Last Updated - May 2, 2026 Sort By:

Best Choice

New
Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection)
ACCURATE DETECTION : Our professional diamond tester pen (a reliable gem tester) features a sophisticated sensor for precise gemstone identification (Diamonds/Moissanite: 9+ lights + beeps; Jade: 5-6 lights; Crystal/Glass: 5-7 lights). (Jewelry-Only Detection – Not for metal/gold or gold testing kit use)

$9.99 $12.99
New
Purity Testing Kit for Diamonds Gemstones Moissanites Gold Silver and Platinum Jewelry Electronic Digital Diamond Tester Machine JSP GTE
ALL-IN-ONE GOLD, SILVER, PLATINUM, & DIAMOND JEWELRY TESTING & APPRAISAL KIT

$37.00 $39.72
Best Value

New
HMKIS Diamond Tester Pen, Professional Jewelry Diamond Tester with 60X Jewelry Loupe Magnifier, Diamond Selector for Novice and Expert (Non-Rechargeable)
[Power Upgrade] The HMKIS diamond tester offers two power supply options: Type-C and 9V Power (includes a 1m Type-C cable). Utilizing a Type-C power supply delivers a more stable and precise voltage output, thereby enhancing the accuracy and reliability of experimental and test results. Opting for the Type-C power supply is highly recommended for optimal performance. PLZ NOTE THIS IS Non-Rechargeable !

$16.99 $20.99
New
Diamond Tester Pen, High Accuracy Jewelry Tester, Battery Included, Gemstone-Only Detection - No Metal/Gold Testing, for Novice and Expert Gemologists
GEMSTONE-ONLY DETECTION: This diamond tester is EXCLUSIVELY for gemstone testing (diamond, moissanite, jade, crystal, glass). NEVER test metal, gold, silver, skin, water or any non-gem items—false beeps/lights are normal, not a product defect

$9.99
New
Gemtone All-in-One Gold, Silver, Platinum & Diamond Jewelry Testing and Appraisal Kit with Solutions, Digital Scale, Diamond Tester, Touchstone, and Accessories
Complete Testing Kit – Includes jewelry test solutions, digital scale, diamond tester, touchstone, magnifier, files, and reference bars for evaluating gold, silver, platinum, and diamonds.

$56.97
New
Gold, Silver & Platinum Testing Kit 10k 14K 18K 22K .999 .925 Silver Platinum Solutions with 2x2 Test Stone Precious Metal Tester Real/Fake Check Analysis Analyzer Kit
Contains 10K, 14K, 18K, 22K, Silver & Platinum Testing Solutions

$18.88 $19.99
New
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
ALL-IN-ONE GOLD, SILVER, PLATINUM, & DIAMOND JEWELRY TESTING & APPRAISAL KIT

$54.97 $57.99
New
Diamond Tester Professional Diamond Tester Pen with UV Light, 60X Mini LED Magnifying, Jewelry Gem Tester Pen, Professional Diamond for Novice and Expert（Battery Included）
💎💎💎Professional Diamond Tester, This diamond tester pen is equipped with high-tech chip, it can effectively distinguish natural diamond in 1 second.

$39.99
New
Professional 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)
💎【Easy to use】 Place the tip of the diamond tester gently on the gemstone. If the diamond is fake, crystalline or cubic zirconia, the tester will not beep. An excellent diamond tester tool kit, suitable for handling any exposed or mounted diamonds and gems. Popular among professionals, hobbyists, coin enthusiasts, and business owners alike. Excellent tools. Excellent Value. Great gift idea.

$19.90
New
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
●💎It is designed for quick, precise, and safe diamond testing. ▲💎【Professional Diamond Selector】 After powering on, turn the wheel to keep 4 green lights on to finish the Initialization. Otherwise you will get inaccurate results.For Diamond Simulants：No Sound and No Red lamps light on.[Note]: This diamond tester cannot distinguish Mosanite and diamonds. Because the product works by measuring the thermal conductivity of an object. The thermal conductivity of Mosanite is almost the same as diamond.

$23.99

10 Diamond Gold Testers deals are available from: Amazon stores, starting from $9.99.
The biggest discount we found is 23% on Diamond Tester, Professional Jewelers' Gemstone Detector, High Accuracy Diamond Checker Pen Professional for Jewelers, Gem Tester (Jewelry-Only Detection) at Amazon.
The lowest price we found is $9.99 while the highest is $56.97.
Prices for the best Diamond Gold Testers deals average at $28.87.
Last updated on May 2, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Diamond Gold Testers.