The Definitive Top 10 Best Diamond Tester Pen, 2023 Review Roundup

The Diamond Tester Pen is an essential tool for any jewelry enthusiast. This pen features a quick and easy-to-use design that allows you to accurately distinguish between real and fake diamonds. The pen uses a combination of thermoelectricity and a low electric current that helps you to determine the authenticity of the diamond. Its handy and lightweight design makes it perfect for both at home or on-the-go use. This pen can help you make sound decisions when it comes to buying diamonds, so you can be sure you are getting the real thing. Get the Diamond Tester Pen and make sure you never get scammed.

# Product Title Rating Details
1 Diamond Tester Pen, ZAKVOP High Accuracy Jewelry [...] Diamond Tester Pen, ZAKVOP High […]

3.8

2 StillCool Diamond Tester, High Accuracy Diamond Tester [...] StillCool Diamond Tester, High Accuracy […]

4.1

3 High Accuracy Professional Diamond Tester Pen Jeweler [...] High Accuracy Professional Diamond […]

4.1

4 High Accuracy Diamond Tester Pen Professional Gem [...] High Accuracy Diamond Tester Pen […]

4.1

5 HMJOY Diamond Tester, Hight Accuracy Jewelry Diamond [...] HMJOY Diamond Tester, Hight Accuracy […]

4.1

6 Diamond Tester Pen+60X Mini LED Magnifying,High [...] Diamond Tester Pen+60X Mini LED […]

4.1

7 HMKIS Diamond Tester Pen, High Accuracy Jewelry [...] HMKIS Diamond Tester Pen, High Accuracy […]

4.2

8 Diamond Tester Pen, Professional Diamond Selector for [...] Diamond Tester Pen, Professional […]

4.2

9 Diamond Tester Pen, High Accuracy Jewelry Diamond [...] Diamond Tester Pen, High Accuracy […]

4.2

10 Diamond Tester Pen,Professional Jewelry Diamond [...] Diamond Tester Pen,Professional Jewelry […]

5

Top 10 Favorites & Best Diamond Tester Pen, Expert-Recommended Picks

1#. Diamond Tester Pen, ZAKVOP High Accuracy Jewelry Diamond Tester Tool, Upgraded Professional Diamond Selector for Novice and Expert, Portable Electronic Diamond Detector, Thermal Conductivity Meter

Product image of Diamond Tester Pen, ZAKVOP High Accuracy Jewelry Diamond Tester Tool, Upgraded Professional Diamond Selector for Novice and Expert, Portable Electronic Diamond Detector, Thermal Conductivity Meter
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Features

  • 【Fast Results】: Diamond Selector II, Newest Diamond Tester Pen, high accuracy indicate genuine diamond or fake. This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds.
  • 【Simple Use】: The diamond tester pen is simple to operate to get results. Just adjust to the appropriate gear, put the tip of the diamond tester on the diamond and press it gently. When testing, the probe needle and the tested object must be at a 90° angle.
  • 【Intuitive Design】: Professional Diamond Selector II will indicate genuine diamond or fake. The real diamond will make sound and LED light > = 9. Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and LED lights <9.
  • 【Jeweler Diamond Tester】: This diamond tester can not only detect the authenticity of diamonds, but also detect the authenticity of jewelry. It can detect gemstones including: sapphire, ruby, crystal, agate, jadeite and other gemstones of various sizes.
  • 【Warm Reminder】: When testing diamond, your right index finger must keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones. Do Not test any metal. Do Not wear glove.

  • 2#. StillCool Diamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester, Black

    Product image of StillCool Diamond Tester, High Accuracy Diamond Tester Pen, Diamond Tester Professional, Diamond Detector Gem Tester Gemstone Gemstone Tester, Black
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    Features

  • ✅【Intuitive Design】 Our diamond tester features an LCD display and LED indicator make it easy to read your precise testing results.
  • ✅【Effortless Testing】 No need for a professional – the StillCool Diamond Tester Pen is easy to operate. Just turn it on, lightly press the tip to the gemstone, and wait for the beep to know if it’s real or fake.
  • ✅【If it’s Real Diamond】The professional Diamond Tester will lighted up over 9 and emits audible sounds. No reaction means the stone is a fake crystal or simulant like cubic zirconium (CZ).
  • ✅【Quick and Safe】 Designed for quick, precise, and safe diamond testing, this diamond selector tester ensures that there is no harm to diamonds during the testing process. providing accurate results every time.
  • ✅【Convenient Package】 The Diamond Tester is battery-powered by a standard 9v battery (not included), and the package comes with a leather pouch case, testing platform, user manual and accurate diamond tester pen.

  • 3#. High Accuracy Professional Diamond Tester Pen Jeweler Tool for Novice and Expert – Diamond Selector II 9V Battery Included(Black)

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

  • [Fast and safe ]:Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing.
  • [Intuitive Design]:LCD display & LED indicator.Uses large / small switches for testing diamonds,Emits audible sounds to easily differentiate the readings.
  • [Simple to Use]:Hqdz Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep.
  • [Package include]:Diamond tester is battery powered for convenience.Requires 1 standard 9v battery, which is included.Package include:1 x Diamond Tester,1 x Leather Pouch Case,1 x Testing Platform,1 x User Manual,1 x DC 9V battery.

  • 4#. High Accuracy Diamond Tester Pen Professional Gem Tester for Novice and Expert

    Product image of High Accuracy Diamond Tester Pen Professional Gem Tester for Novice and Expert
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    Features

  • ★The diamond Tester Pen is simple to operate to get results. Real Diamond will emit sounds and lights >=9. It is designed for quick, precise, and safe diamond testing.
  • ★This gemstone tester pen is designed to detect if a diamond or gemstone is real or fake, If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
  • ★Using the principle of difference of thermal conductivity between diamond and fake diamond, detect and distinguish colorless diamond and imitation in 2 seconds.
  • ★Portable electronic device for distinguishing real diamonds from other simulated stones. LCD displays & LED indicators. Uses switches for testing diamonds, Emits audible sounds to easily differentiate the readings.
  • ★NOTICE★ * When testing, the probe needle and the tested object must be at a 90° angle. * When testing diamond, your right index finger must keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones. * Do Not test any metal. * Don’t wear gloves.

  • 5#. HMJOY Diamond Tester, Hight Accuracy Jewelry Diamond Tester, Professional Diamond Selector for Novice and Expert Jewelry Diamond Tester Pen

    Product image of HMJOY Diamond Tester, Hight Accuracy Jewelry Diamond Tester, Professional Diamond Selector for Novice and Expert Jewelry Diamond Tester Pen
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    Features

  • [HOW TO SOLVE BEEP PROBLEM]: For 1st use, please set four lights to illuminate on the scale otherwise it will keep beeping when testing
  • [WIDELY USE]:The diamond tester pen can selecter diamond, glass, sapphire, ruby, crystal, agate. But DIDNOT WORK ON METAL!
  • [TEST REAL DIAMOND]: For Real Diamond,diamond tetster will beeping and lights >=9
  • [INTUITIVE]: Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights <9.
  • [INITIALIZE SETUP]: Please SET 4 LIGHTS to illuminate on the scale,EVERYTIME when you turn on the tester pen.
  • [FAST & SAFE]: This diamond selector tester is designed for quick, precise and safe diamond testing. No harm to diamonds
  • [WARM NOTICE 1]: The contacts need to be pressed vertically against the surface of the diamond.
  • [WARM NOTICE 2]: Please ensure that the battery temperature is higher than 10 ℃, can not test metal, save power
  • [WARM NOTICE 3]: Please refer to the Manual for help when come across problems.
  • [CUSTOMER SUPPORT]: Our team will be constantly on hand to solve any doubts you may have, JUST CONTACT US WHEN YOU NEED HELP.

  • 6#. Diamond Tester Pen+60X Mini LED Magnifying,High Accuracy Jewelry Diamond Tester Tool,Environmental Protection 9V Battery,Professional Diamond Selector for Novice&Expert,Thermal Conductivity Meter

    Product image of Diamond Tester Pen+60X Mini LED Magnifying,High Accuracy Jewelry Diamond Tester Tool,Environmental Protection 9V Battery,Professional Diamond Selector for Novice&Expert,Thermal Conductivity Meter
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    Features

  • ✔【Intuitive Design】Hqdz Diamond Tester Pen comes with LED lights and audio indication. During a test, if the stone tested is a diamond, the LED lights will light up as the stone passes each test conducted by the Diamond detector. Once our Diamond Tester Pen has completed all of its tests, the pen will make a beep sound as well as show a row of fully lite LED lights.
  • ✔【Simple to Use】Hqdz Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses.
  • ✔【Fast Results】Hqdz’s Diamond Tester Pen is design to deliver fast, accurate results. You will be able to know if something is fake in a matter of seconds.
  • ✔【Portable】Hqdz Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases. Both items are small and can fit into any purse or backpack. Hqdz’s Diamond Tester Pen and 60X LED Lighted Loupe combo is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc. Alternatively, its also a great tool to have when testing your own jewelry.
  • ✔【Application Range】Industrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.

  • 7#. HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

    Product image of 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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    Features

  • [Easy to Use]: Real Diamond will Emits sounds and lights >=9.
  • [Intuitive Design]: Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights <9.
  • [fast and safe ]: This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds.
  • [Magnification]: 60X led Magnification with batteries ( Small microscope ). For Gems, Coins, Antiques, Stamps, Reading, Inspection etc.
  • [Note]: Please ensure that the battery temperature is higher than 10 ℃, can not test metal, save power

  • 8#. Diamond Tester Pen, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

    Product image of Diamond Tester Pen, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter
    Buy at Amazon

    Features

  • Real Diamond will Emits sounds and lights >=9.
  • This diamond selector tester designed for quick, precise, and safe diamond testing.
  • Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights <9.
  • If the stone is fake, crystal or cubic zirconia, the tester will not beep.
  • Diamond tester is battery powered for convenience.Requires 1 standard 9v battery, which is included.Package include:1 x Diamond Tester,1 x Leather Pouch Case,1 x Testing Platform,1 x User Manual,1 x DC 9V battery.

  • 9#. 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

    Product image of 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
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    Features

  • This gemstone testing equipment is not only a diamond tester, but also a multi gemstone tester. It can detect if a gemstone is real or fake, including: diamond, sapphire, ruby, crystal, agate, jadeite, and other precious stone of various sizes.
  • Simple to Use Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. reads weights of adiamond use 200g/0.01g Mini Jewelry Scale, To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses.
  • This pocket scale has 200 gram max weight capacity and reads weights in increments of 0.01g. High precision sensors make sure the accuracy. 6 weigh modes available – g/ oz/ gn/ ct/ dwt/ ozt.Tare & Auto-off: You can use the tare function to zero the weight of container within 200g. Energy saving by 3 minutes auto-off function.
  • Portable Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases. Both items are small and can fit into any purse or backpack. Diamond Tester Pen and 60X LED Lighted Loupe combo and 200g/0.01g Mini Jewelry Scal is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc. Alternatively, its also a great tool to have when testing your own jewelry.
  • Application Range:Industrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.fast and safe This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds. If you have any questions about use, please contact us. We will explain in detail. Professional equipment, the use method needs to learn slowly.

  • 10#. Diamond Tester Pen,Professional Jewelry Diamond Tester+40X Illuminated Jewelry Loop Magnifier,Diamond Selector for Novice and Expert,Thermal Conductivity Meter(Diamond Tester+Magnifying)

    Product image of Diamond Tester Pen,Professional Jewelry Diamond Tester+40X Illuminated Jewelry Loop Magnifier,Diamond Selector for Novice and Expert,Thermal Conductivity Meter(Diamond Tester+Magnifying)
    Buy at Amazon

    Features

  • ♦【Quick and Safe】 Designed for quick, precise, and safe diamond testing, this diamond selector tester ensures that there is no harm to diamonds during the testing process. providing accurate results every time.
  • ♦【Effortless Testing】 No need for a professional – the Hqdz-td Diamond Tester Pen is easy to operate. Just turn it on, lightly press the tip to the gemstone, and wait for the beep to know if it’s real or fake. Our diamond tester features an LCD display and LED indicator make it easy to read your precise testing results.
  • ♦【Useful Precision Instrument With Superior Optical Glass】 Jeweler magnifier for jewelry authentication and provides a detector for detecting counterfeit banknotes. Jewelers loupe glasses is used for banknotes, passports, credit cards and traveler’s checks, etc. Jewelers eye loupe glasses is also great for rock collectors, coin collectors, hobbyists, watches, stamps, antiques, models, photos industry. Or inspect plants for signs of bugs, molds or mildews.
  • ♦【Easy To Carry Size】 40x Jewelers loupe magnifier come with a beautiful gift carry case. Mini size easy to carry and make the small details in your life more clear. Foldable and tiny design make jeweler loop magnifier very portable, just pull out the jewelers loop to use, and put it back after using it, very conveniently. Full metal body include a small loop to attach to a neck chain or key chain. Magnifying loupes great for going hiking or walks, jewelry loupe is ready to use when you need it.
  • ♦【The Highest Quality Service】Professional Customer Service of 1 Yr Warranty & 60 days 100% Money Back, Our goal is to provide our customers with the highest quality service.Package Contents: 1 x Diamond Tester,1 x Magnifying(Battery included).

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