Home » Best Diamond Tester Pen in 2021 [*Top Picks*]

Best Diamond Tester Pen in 2021 [*Top Picks*]

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Looking for the best diamond tester pen on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

951 Reviews Scanned

Bestseller No. 1
HDE High Accuracy Professional Jeweler Diamond Tester For Novice and Expert,Diamond Selector II, L101
  • Professional Diamond Selector II will indicate genuine diamond or fake
  • Uses large / small switches for testing diamonds
  • Emits audible sounds to easily differentiate the readings
  • Diamond tester is battery powered for convenience
  • Requires 1 standard 9v battery, which is not included
Bestseller No. 2
StillCool Diamond Tester II V2 Selector Gemstone Jewelry Gems Tool with Case (Black Diamond Testers)
  • LCD display & LED indicator.
  • It is designed for quick, precise, and safe diamond testing.
  • Portable electronic device for distinguishing real diamonds from other simulated stones.
  • If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
  • Powered by DC 9V battery x 1 (Not Included)
Bestseller No. 3
High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond Selector II 9V Battery Included
  • Professional Diamond Selector II will indicate genuine diamond or fake
  • It is designed for quick, precise, and safe diamond testing.
  • Portable electronic device for distinguishing real diamonds from other simulated stones.
  • If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
  • Emits audible sounds to easily differentiate the readings
Bestseller No. 4
Diamond Tester, Jeweler Professional Checker Pen for Jewelry Stone Gold Gem Jade, Electronic Diamond Selector II Testing Tool for Expert Distinguish Genuine, 9V Battery Included
  • 【Expert】Professional Diamond Selector II will distinguish genuine diamond or counterfeit.
  • 【Accurate】It is designed for quick, accurate and safe Non-destructive diamond testing.
  • 【Feature】Low power consumption, low battery alarm (red light indication) for Moissanite Tester.
  • 【Protable】Lightweight and compact in size, easy and to carry.
  • 【Include Battery】Include a PU bag and small testing tray for holding loose stones. Package Contents:1 x bag| 1 x Diamond Tester | Batteries: 1 x 9v Battery ( INCLUDED) | 1 x Testing tray
Bestseller No. 5
Diamond Tester+60X LED Magnifying Glasses Jeweler Tool Kit Combo,for Novice and Expert - Diamond Selector II 9V Battery Included(Diamond Tester+)
  • ✔【Intuitive Design】Molo 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.
  • ✔【Fast Results】Molo’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.
  • ✔【Simple to Use】Molo 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.
  • ✔【Portable】Molo 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. Molo’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.
SaleBestseller No. 6
Professional Diamond Selector II, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone
  • 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.
  • It is designed for quick, precise, and safe diamond test.
  • LED light and audio indicate testing result.
  • Portable electronic device for distinguishing real diamonds from other simulated stones.
SaleBestseller No. 7
HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter
  • [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 
  • [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.
  • [Service]: If you have any questions about use, please contact us. We will explain in detail. Professional equipment, the use method needs to learn slowly.
Bestseller No. 8
Professional Diamond Selector II, Gem Tester Pen Portable Diamond Tester Tool for Jewelry Jade Ruby Stone
  • LCD display &light indicator.
  • It is designed for quick, precise, and safe diamond testing.
  • Portable digital device for distinguishing real diamonds from other simulated stones.
  • If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
  • 1 year warranty
Bestseller No. 9
Diamond Tester Version II, Professional High Accuracy Diamond Tester LED Diamond Indicator Test Pen Gemstone Selector
  • ★Professional Diamond Selector II will indicate genuine diamond or fake
  • ★It is designed for quick, precise diamond testing.
  • ★Portable electronic device for distinguishing diamonds from other stones.
  • ★It is easy to operate
  • ★Emits audible sounds to easily distinguish.1 year warranty. Any question just contact us.
Bestseller No. 10
Diamond Tester Pen Professional Diamond Selector High Accuracy Diamond Tester Professional Jeweler for Novice and Expert Diamond Selector II 9V Battery Included .Diamond Tester Tool for Jewelry Jade
  • Professional Diamond Selector II will indicate genuine diamond or fake
  • It is designed for quick, precise, and safe diamond testing.
  • Portable electronic device for distinguishing real diamonds from other simulated stones.
  • If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
  • Emits audible sounds to easily differentiate the readings

Complete Guide to Buying the Best Diamond Tester Pen

Given how the market is literally overflowing with products to fit every purpose and budget, it’s only natural that deciding on the features that are indispensable in a quality diamond tester pen appears somewhat challenging.

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Are you tired of overwhelming technical details? Do you feel like the manufacturers aren’t very specific about their specifications? We are here to help you navigate the confusing abundance and find your way to your own top diamond tester pen out there.

Read below for a beginner-friendly diamond tester pen buying guide to make a decision you won’t regret.

How to Pick the Best diamond tester pen: Our Buying Guide & Tips

It’s a common scenario for confused shoppers to ask, “Who makes the best diamond tester pen?”. While manufacturers differ and this is indeed an important parameter to take into account, we believe the following question to be more appropriate: What should I look for in a diamond tester pen?

It’s only by being aware of all the possible features that you can see the whole picture and avoid frustrating cherry-picking. Here is the answer:

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Build Quality and Craftsmanship

Even if you are looking for an affordable diamond tester pen, you don’t want it to stop working before the task is done.

Be sure to find out what this or that diamond tester pen is made of and preferably scan negative reviews for potential weaknesses so that you can decide whether you can and should put up with those.

Ease of Use

Choose intuitive products that boast a well-thought-out design and just feel good in your preferred setting. Versatility is also important unless you want a dedicated solution, so think about the item’s potential scope as well.

Value-for-Money

Think about what you pay for if you choose a certain diamond tester pen option. Is it the brand or the actual quality? Are all the bells and whistles in this premium model worth the extra money? It’s always up to you. And don’t forget to factor in the warranty — decent coverage could spare you some costs!

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How We Rate Each Diamond Tester Pen

Some buyers might be eager to get their hands as dirty as possible while looking for their next favorite, but others find the amount of research that goes into informed shopping rather daunting.

You can entrust the task to our rating system if you belong to the latter category. We gather vast amounts of data from diamond tester pen ratings and customer feedback to synthesize them into all-around, up-to-date unbiased testimonials to highlight all the pros and cons of a given product.

At the preliminary stage, our system automatically analyzes customer reviews of best rated diamond tester pen models. It utilizes efficient artificial intelligence tools to obtain as much first-hand product information as possible and categorize it into benefits and flaws with the help of sentiment analysis instruments.

As a potential buyer, you are probably anxious to know how we test each diamond tester pen that we review. What we do is proceed to put each product through a series of stringent tests based on its presumed advantages and features generally seen as neutral.

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Maintaining an extensive and robust database enables diamond tester pen comparison for those who have a difficult time choosing between different diamond tester pen brands.

Generally, if you know what to look for in a diamond tester pen and what price you can afford, the next step is to check customer rating for a selection of most-praised items to choose from.

You can read and compare diamond tester pen reviews on your own or entrust it to our artificial intelligence-driven system. Whichever scenario you choose, make sure you are aware of any potential limitations and make the decision based on your purpose and budget.

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