10 Best Gemstone Tester in 2022 – [Top Picks]

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If you’re looking for the best gemstone tester, you’ve come to the right place. We’ve researched and studied numerous online databases, forums, and honest user reviews to find the best items for your needs.

You can trust that these are top-quality products and have received high ratings from users. Let’s view our top picks.

EDITOR'S CHOICE
Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones
  • 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

Top 10 Gemstone Tester – [Highly Rated]


10 Best Gemstone Tester – [Editor’s Recommendations]

OUR #1 PICK
Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones
  • 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
7% OffOUR #2 PICK
TEKCOPLUS Heavy Duty New Calcite Dichroscope Two Pleochroic Colors Gemstone Identification
  • HEAVY DUTY, Durable, reliable and made by professional craftsmen
  • Shows dichroism of a gemstone/rough
  • Tells what the true colors are on each axis actually look like separately
  • Orientate for axis and color , Helpful in differentiating stones of the same color from one another
  • Get a good idea of what the colors will look like when mixed in the cut stone
OUR #3 PICK
Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones
  • 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.
11% OffOUR #4 PICK
Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone
  • Fast And Precise: This gemstone tester pen is designed to detect if a diamond or gemstone is real or fake, Diamond Selector II will indicate genuine diamond or fake in seconds.
  • Simple to Use: 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.
  • Portable: 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.
  • Service: If you have any questions about use, please feel free to contact us. Package contains: 1 x diamond tester, 1 x 60X Mini LED Magnifying,1 x user manual. This product uses dc9v battery (not including battery)
28% OffOUR #5 PICK
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 <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
OUR #6 PICK
Diamond Tester Professional, High Accuracy Jewelry Diamond Tester Pen, Electronic Diamond Gem Tester and Tester Pen 60X Magnifying Glasses Tool Kit for Novice Expert
  • 💎💎【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.
  • 💎💎【Intuitive design】 Our gemstone tester has an intuitive design, light and portable, and the jewelry diamond tester is equipped with LED lights and audio instructions. As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained.
  • 💎💎【Quick Identification】You just turn on our diamond test pen detector; place the tip of the diamond tester on the gemstone, and a single tap is enough. In providing fast and accurate results. You will be able to know in a few seconds whether an item is fake or not.
  • 💎💎【Accessory tools】 Magnifying glass (small microscope) equipped with 60X LED illumination. Diamond test pen can be used for gems, coins, antiques, stamps, reading, inspection, etc. Diamond tester pen is designed for fast, precise and safe diamond testing.
  • 💎💎【Professional Service】 If you have any questions about our diamond tester pen, please contact us. We have a professional dedicated to assisting you and help you answer any questions you may have.
OUR #7 PICK
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
OUR #8 PICK
Salmue Diamond Tester Tool Set, Diamond Tester Moissanite Detector Selector, Gems Stone Hardness Test Tool Diamond Testers
  • 【DIAMOND TESTER】 This is a diamond selector with an accurate and reliable reading.
  • 【QUALITY GUARANTEE】 the best quality. Our brand is dedicated to providing high quality products. We have confidence in our products and offer after sales support. If you have problems with product quality, contact us.
  • 【SCOPE OF APPLICATION】 Moissanite Tester is an instrument that combines with the Diamond Selector II. It is only used for the distinction of colorless Moissanite.
  • 【TEST CAPACITY】 Metal, The green indicator will be displayed in Diamond Selector II if the stone is a real diamond. It emits a continuous buzz when the user accidentally touches the metal instead of the stone.
  • 【PACKAGE INCLUDED】 1 * Diamond Selector II, 1 * Moissanite tester, 2 * Manuals, 2 * Trays, 2 * Batteries (9V)
OUR #9 PICK
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
8% OffOUR #10 PICK
High Accuracy Professional 2pt Jewel Stone Combo Gem Jewelry Jeweler Tester Test Selection Tool Kit selector Meter Device for Diamond Moissanite Metal Gemstone Novice and Expert
  • Working time:about 2 hours of continous use
  • Probe warm up time:about 25 seconds
  • Built in metal detector
  • With "beep" sound indicator

How to Choose the Best Gemstone Tester?

When it comes to purchasing gemstone tester, there are a lot of factors to consider. With so many choices on the market, it can be tough to decide what to buy. However, by keeping the following factors in mind, you can make your next purchase with confidence.

1. Price

One of the most important factors to consider when purchasing gemstone tester is the price. Not only should you consider the cost of the product, but also the cost of shipping and handling. It is important to compare prices between different retailers so that you can find the best deal.

2. Features

When looking at gemstone tester, it is important to read the description carefully. This will give you a good idea of what the product is and how it works. It is also important to consider the features of the product. Some products have more features than others, and these features may be important to you.

3. Reviews

It is always helpful to read reviews before you buy gemstone tester. This will give you an idea of how other people have used the product and what their thoughts are. Additionally, reviews can help you make a more informed decision about the gemstone tester.

4. Comparisons

If you are looking for a specific gemstone tester, it is helpful to look at similar products to see if they are cheaper or better quality. This can help you make a decision without having to spend a lot of time researching the matter. It is also helpful to talk to friends and family members who may have found a good deal on a certain product.

5. Brands

One of the most important factors to consider when purchasing gemstone tester is the manufacturer. Make sure you are buying from a reputable brand that you can trust. There are a lot of companies that make low quality products. They might not last as long as you would like, or they might not function as they are supposed to.

6. Warranty

When purchasing gemstone tester, it is always important to consider the warranty. This will give you peace of mind in case something goes wrong with the product. If the product has a warranty, make sure to read the terms and conditions carefully.


Final Words

We hope our research and the hard work we did finding the best gemstone tester helped you. If you want to know more, feel free to contact us, and we’ll respond back when possible.

EDITOR'S CHOICE
Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones
  • 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