20 Best Gemstone Tester Pen [2024]

Are you looking for the best gemstone tester pen? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling gemstone tester pen.

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# Preview Product
1 Presidium Duo Tester PDT Diamond Gemstone Tester Presidium Duo Tester PDT Diamond Gemstone Tester
2 Professional Jewelry Diamond Gem Testers Pen, Portable Diamond Gemstone Detector Checker Tool, Real... Professional Jewelry Diamond Gem Testers Pen, Portable Diamond Gemstone Detector Checker Tool,...
3 Diamond Checker Tool Electronic Kit - Gem Tester Electronic Pole Identifier Gemstone Jewelry Led Pen... Diamond Checker Tool Electronic Kit - Gem Tester Electronic Pole Identifier Gemstone Jewelry Led...
4 4 Pcs High Accuracy Diamond Tester Pen Set, 2 Pcs Black Jewelry Gemstone Tester Diamond Ring... 4 Pcs High Accuracy Diamond Tester Pen Set, 2 Pcs Black Jewelry Gemstone Tester Diamond Ring...
5 Moissan Tester Professional High Precision Diamond Tester V2, Moissanite Detection, LED Diamond... Moissan Tester Professional High Precision Diamond Tester V2, Moissanite Detection, LED Diamond...
6 Diamond Selector II Gem Tester Pen with Mini LED Magnifying Electronic Diamond Tester Tool... Diamond Selector II Gem Tester Pen with Mini LED Magnifying Electronic Diamond Tester Tool...
7 2 Packs High Accuracy Diamond Tester Jewelry Detector Gem Tester Pen Diamond Test Machine Version II... 2 Packs High Accuracy Diamond Tester Jewelry Detector Gem Tester Pen Diamond Test Machine Version...
8 GemOro Testerossa Talking Diamond, Moissanite & White Sapphire Tester, Silver GemOro Testerossa Talking Diamond, Moissanite & White Sapphire Tester, Silver
9 [Upgraded] Diamond Tester Pen, High Accuracy Jewelry Diamond Teste Portable Electronic Diamond... [Upgraded] Diamond Tester Pen, High Accuracy Jewelry Diamond Teste Portable Electronic Diamond...
10 HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+ 60X Mini LED Magnifying,... HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+ 60X Mini LED Magnifying,...
11 GemOro Sparkle Wand Portable Jewelry Cleander, Shrink Wrapped, Clear GemOro Sparkle Wand Portable Jewelry Cleander, Shrink Wrapped, Clear
12 Presidium Adamas Diamond and Moissanite Tester Authenticating Diamonds Presidium Adamas Diamond and Moissanite Tester Authenticating Diamonds
13 Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying... Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for...
14 Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for... Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for...
15 Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common... Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common...
16 SmartPro SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro SmartPro SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro
17 Presidium Multi Tester III (PMuT III) All-In-One Instrument for Testing Diamonds, Moissanites and... Presidium Multi Tester III (PMuT III) All-In-One Instrument for Testing Diamonds, Moissanites and...
18 High Accuracy Professional 2pt Jewel Stone Combo Gem Jewelry Jeweler Tester Test Selection Tool Kit... High Accuracy Professional 2pt Jewel Stone Combo Gem Jewelry Jeweler Tester Test Selection Tool...
19 AURACLE AGT3 Digital Gold & Platinum Tester AURACLE AGT3 Digital Gold & Platinum Tester
20 letmexc New Moissanite Gemstone Lab Diamond VVS1 Positive Passed Presidium Multi III Diamond Tester... letmexc New Moissanite Gemstone Lab Diamond VVS1 Positive Passed Presidium Multi III Diamond...
Bestseller No. 1
Presidium Duo Tester PDT Diamond Gemstone Tester
  • Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone
  • Industrys thinnest probe tip (0.6mm) for testing gemstones as small as 0.02ct
  • Large easy to read analog dial with 15 colored gemstones
  • Consistent and reliable results every time
  • Simple and easy to use
SaleBestseller No. 2
Professional Jewelry Diamond Gem Testers Pen, Portable Diamond Gemstone Detector Checker Tool, Real...
  • 💍【Professional Products】: A portable electronic device designed for fast, accurate and safe diamond testing.
  • 👨‍🔧【Easy to Use】: If the diamond is fake, it will not display and make a sound. If it is a real diamond, the indicator will light up a...
  • 🚀【Fastest Effect】: display and indicator, used to test the diamond's large/small switch +/- 8 points, metal alarm (when the user accidentally...
  • 🚴‍♀️【Package】: A small test tray for placing loose gems; 1 9V battery; 1 leather bag; 1 x user manual; 1 60x illuminated LED magnifying...
  • 🎁【Service】: If you have any questions about use, please contact us. We will explain in detail. Professional equipment, the use method needs to...
SaleBestseller No. 3
Diamond Checker Tool Electronic Kit - Gem Tester Electronic Pole Identifier Gemstone Jewelry Led Pen...
  • Size of Diamond Tester Pen: The gemstone tester pen dimensions are 6.6 Inches long, 1.6 Inches wide, and 0.8 Inches thick. The portable diamond tester...
  • Detection Way: The tester indicates genuine diamond or fake, the jewelry tester meter is designed and manufactured according to the thermal...
  • Result Indicator of Diamond Reader: With diamond gem tester you will be able to know in a few seconds whether an item is fake or not, there are the...
  • Easy to Operate Jade Jewelry Tester: Simple calibration for stones of various sizes the jewelry tester silver and diamond tester are easy to use even...
  • Wide Uses of Electronic Diamond Tester: The diamond tester professional tester is mainly used for industrial purposes, circuit boards, and printing,...
Bestseller No. 4
4 Pcs High Accuracy Diamond Tester Pen Set, 2 Pcs Black Jewelry Gemstone Tester Diamond Ring...
  • You're Provided: this package consist of 2 pieces of diamond testers (battery type: 9V battery, not included) and 2 pieces of LED magnifying glasses,...
  • Reliable and Serviceable Material: the diamond tester pens are mainly made of quality plastic, reliable, firm, colorfast for a long term using, will...
  • Effortless to Operate: firstly, just turn on our diamond detector, then, place the tip of the detector on the diamond (press your finger against the...
  • Practical Function: our jewelry diamond tester features LCD display and LED indicator, just use the large or small switch to test the diamond and make...
  • Practical LED Magnifying: the magnifying glass is equipped with 40X 25 mm/ 0.98 inch lens, portable and reliable for you to see the item you want, no...
Bestseller No. 5
Moissan Tester Professional High Precision Diamond Tester V2, Moissanite Detection, LED Diamond...
  • Professional Mo Diamond Test - This Yotown V2 Mosang Stone Detection Pen is a portable electronic device that distinguishes real diamonds from other...
  • How to use? (1) - Start by turning on the Yotown Mosang Stone Detection Pen. Once the light is on, it can be used after approximately one minute of...
  • How to use? (2) - Remove the cover of the Yotwn probe and hold the instrument so that the probe is vertical and in contact with the object to be...
  • Structure: Yotwn alloy probe accurately measures the conductivity of precious stones; a technical plastic body, more robust and lightweight; a metal...
  • Products include: - Yotwn Mosang stone detector, diamond tray, English manual, leather case. The size is: 160 * 40 * 22mm
Bestseller No. 6
Diamond Selector II Gem Tester Pen with Mini LED Magnifying Electronic Diamond Tester Tool...
  • 【Portable Design】Diamond tester is equipped with convenient carrying cases. Designed for rapid, accurate and safe diamond testing. Through...
  • 【Easy to Use】Green indicator will be showed on Diamond Selector II if the stone is a real diamond. It will make continuous buzzing sound when user...
  • 【Fast Results】If the stone is a real diamond, the pen will make a beep sound as well as show at least 9 LED lights. A green indicator will be...
  • 【High Security】After 10 minutes' use of Tester, the power indicator light (green light is automatically turned off) and long beep sounds will...
  • 【Package Contents】1 x Diamond Tester, 1 x Leather Pouch Case, 1 x Testing Platform, 1 x User Manual, 1 x Mini LED Magnifying, 1 x9V battery.
Bestseller No. 7
2 Packs High Accuracy Diamond Tester Jewelry Detector Gem Tester Pen Diamond Test Machine Version II...
  • Use for diamond: the package comes with 2 packs of diamond testers, adequate quantity to meet your use and replacement requirements, you can use them...
  • Quality material: our gold tester is made of ABS, metal and acrylic lens, which make the diamond test pen not easy to break or deform, fine in...
  • Practical function: this diamond detector will indicate genuine diamond or fake, according to the true and false of the measured object, the gem...
  • Easy to use: install the battery (not included) before the test, then turn on the switch of fake diamond tester, adjust the lamp of the thermal...
  • Wide range of application: the gold testing kit is not only suitable for testing diamond, but also can be applied to distinguish jade, emerald,...
Bestseller No. 8
GemOro Testerossa Talking Diamond, Moissanite & White Sapphire Tester, Silver
  • Country Of Origin: China
  • Model Number: 0770
  • Item Package Dimension: 25.0" L x 14.0" W x 17.0" H
  • Item Package Weight: 2.0 lb
Bestseller No. 9
[Upgraded] Diamond Tester Pen, High Accuracy Jewelry Diamond Teste Portable Electronic Diamond...
  • 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
SaleBestseller No. 10
HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+ 60X Mini LED Magnifying,...
  • [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
SaleBestseller No. 11
GemOro Sparkle Wand Portable Jewelry Cleander, Shrink Wrapped, Clear
  • Travel sized jewelry cleaner
  • Twist cap and use soft bristle brush to clean jewelry
  • Model Number: 0913-S
  • Clear
Bestseller No. 12
Presidium Adamas Diamond and Moissanite Tester Authenticating Diamonds
  • INDUSTRY’S THINNEST TIP: Detects colorless diamonds, moissanites, simulants instantly with metal alert. Accurate testing on colorless diamonds as...
  • DYNAMIC MICRO LED DISPLAY: Bright LED display provides clear and precise results. Automatic power off after 2 minutes of inactivity.
  • SLEEK ERGONOMIC STYLING: Sleek light and portable design with chrome-brushed tip and ergonomic grip provides an easy and comfortable hand hold. Power...
  • EASY-TO-USE INTERCHANGEABLE PROBE: Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced...
  • BUILT-IN MEMORY: Memory chip conveniently stores up to 500 previous test records.
Bestseller No. 13
Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying...
  • INCLUDED ASSISTED THERMAL CALIBRATION | Now easily self calibrate your device to your testing environment
  • INDUSTRIES MOST TRUSTED | Gemstone tester redesigned to be more compact, sturdy and portable
  • THINNEST RETRACTABLE PROBE TIP I PGT II features the industry’s thinnest retractable probe tip
  • VERSATILE AND RELIABLE | Consistent and reliable results every time. Identifies diamonds/moissanites
  • SIMPLE & EASY TO USE | Clear and easy-to-read analog dial; Can differentiate 16 types of gemstones
Bestseller No. 14
Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for...
  • NOTE: The calibration may be affected during shipping. If you have issues, reach out to the seller.
  • INDUSTRIES MOST TRUSTED gemstone tester redesigned to be more compact, sturdy and portable.
  • THINNEST RETRACTABLE PROBE TIP: PGT II features the industry’s thinnest retractable probe tip.
  • VERSATILE AND RELIABLE: Consistent and reliable results every time. Identifies diamonds/moissanites.
  • SIMPLE & EASY TO USE: Clear and easy-to-read analog dial; Can differentiate 16 types of gemstones.
Bestseller No. 15
Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common...
  • MUST READ INSTRUCTIONS BEFORE USING | Presidium is available for any troubleshooting assistance
  • THINNEST RETRACTABLE PROBE TIP | Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced...
  • VERSATILE AND RELIABLE | Color input function to further separate gemstones for more precise results.
  • EASY TO READ | Results are on a clear digital LED screen; Tests an extended range of 31 different gemstones.
  • ERGONOMIC | Sleek chrome-brushed ergonomic grip; USB port for alternative power and handheld for convenience.
Bestseller No. 16
SmartPro SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro
  • High efficiency
  • Industry’s thinnest probe tip (0.48mm) for testing diamonds as small as 0.01ct
  • Identifies metals, simulants and diamonds instantly
  • Portable tester that can be used anywhere
  • No waiting time between tests
SaleBestseller No. 17
Presidium Multi Tester III (PMuT III) All-In-One Instrument for Testing Diamonds, Moissanites and...
  • IMPORTANT TO NOTE: This product needs to be calibrated prior to use. If you experience issues with calibration, please reach out to the seller for...
  • EASY TO USE DESIGN: Ergonomic handheld design with a rubberized anti-slip grip for easy handling. Light and portable with a convenient carrying case.
  • THINNEST RETRACTABLE PROBE TIP: Retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results....
  • CLEAR, CONVENIENT DISPLAY: 180-degree multi-viewing LED display for easy readability for either right or left-handed use
  • ALL-IN-ONE INSTRUMENT: The world’s first tester that tests for both colorless diamonds and moissanites in a single instrument. Powered by 3 AAA...
Bestseller No. 18
High Accuracy Professional 2pt Jewel Stone Combo Gem Jewelry Jeweler Tester Test Selection Tool Kit...
  • Working time:about 2 hours of continous use
  • Probe warm up time:about 25 seconds
  • Built in metal detector
  • With "beep" sound indicator
Bestseller No. 19
AURACLE AGT3 Digital Gold & Platinum Tester
  • NEW ADVANCED DIGITAL TESTER - Gemoro AGT3 is the ultimate verification instrument for gold and platinum testing.
  • STATE-OF-THE-ART AND PORTABLE - Handheld tester has exceptional precision, is simple to use, and identifies digital karat value and gold percentage in...
  • PATENTED WITH PATENTS PENDING - Tests all karat levels of gold from 6K to 24K and tests for platinum.
  • STEP-BY-STEP DIRECTIONS – Easy to identify non-gold, gold plate and gold filled in seconds.
  • INCLUDES – GemOro AGT3 Tester, pen probe, file, battery, AC adaptor and rubberized carrying case.
Bestseller No. 20
letmexc New Moissanite Gemstone Lab Diamond VVS1 Positive Passed Presidium Multi III Diamond Tester...
  • It is a new special moissanite gemstone, and it can passed the Presidium Multi Tester III , so it is very close to natural diamond , such as the color...
  • Carat weight and measurements of moissanite is as follows : 1.0ct=6.5mm , 2.0ct=8.0mm , 3.0ct=9.0mm, 4.0ct=10.0mm, 5.0ct=11.0mm, 6.0ct=12.0mm
  • Please check our video for more information
  • This moissanite can only pass the Presidium Multi Tester III, other machines are not guaranteed to pass the test.

Having trouble finding a great gemstone tester pen?

This problem is well understood by us because we have gone through the entire gemstone tester pen research process ourselves, which is why we have put together a comprehensive list of the best gemstone tester pens available in the market today.

After hours of searching and using all the models on the market, we have found the best gemstone tester pen for 2023. See our ranking below!

How Do You Buy The Best Gemstone Tester Pen?

Do you get stressed out thinking about shopping for a great gemstone tester pen? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching gemstone tester pen, which is why we have assembled a comprehensive list of the greatest gemstone tester pen available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for gemstone tester pen that you consider buying. Your questions might include the following:

  • Is it worth buying an gemstone tester pen?
  • What benefits are there with buying an gemstone tester pen?
  • What factors deserve consideration when shopping for an effective gemstone tester pen?
  • Why is it crucial to invest in any gemstone tester pen, much less the best one?
  • Which gemstone tester pen are good in the current market?
  • Where can you find information like this about gemstone tester pen?

We’re convinced that you likely have far more questions than just these regarding gemstone tester pen, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for gemstone tester pen, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible gemstone tester pen. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an gemstone tester pen buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available gemstone tester pen currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of gemstone tester pen has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an gemstone tester pen?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your gemstone tester pen.
  5. Customer Ratings: Number ratings grade gemstone tester pen objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their gemstone tester pen.
  7. Product Quality: You don’t always get what you pay for with an gemstone tester pen, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an gemstone tester pen is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining gemstone tester pen information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding gemstone tester pen is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the best gemstone tester for diamonds?

A: Also, the gemstone tester is fake crystal, a simulant such as cubic zirconium (cz), will be no reaction. Most importantly, the hqdz colored gemstone tester is designed for quick, precise, and safe diamond testing. 1. Hqdz Colored Gemstone Tester – Best Pick

Q: What is the best gold and platinum tester?

A: “Gold and Platinum Tester; certified frustration-free; identify non-gold, gold plate and gold filled as NA; tests all colors of gold from 6K to 24K and platinum; immediate test results; portable and compact” Best for Amateurs: Gemoro Auracle AGT1 Electronic Gold Platinum Tester Complete Kit 6-24K

Q: What tools do I need to test my gemstones?

A: It will show other internal characteristics in gemstones you need when on the road and cannot test. 3. Chelsea Filter A Chelsea filter is very good to have, its used for testing Gems to confirm what something is not. Chelsea were used to seperate Aquamarine and natural zircon but today there are many synthetics that will pass with this tool.

Q: What is szxhf colored gemstone tester?

A: The Szxhf Colored Gemstone Tester is fake crystal, a simulant such as cubic zirconium (cz), will be no reaction. Diamond selector ii” is a portable electronic device for distinguishing real diamonds from other simulated stones. Further, it is designed for quick, precise, and safe diamond testing.