10 Best Diamond Testers
for May 2022

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1
9.9
SCORE
HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

HMKIS Diamond Tester Pen

High Accuracy Jewelry Diamond Tester+ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

by HMKIS
What We like

[fast and safe ]: This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds.

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Product Features

  • [Magnification]: 60X led Magnification with batteries ( Small microscope ). For Gems, Coins, Antiques, Stamps, Reading, Inspection etc.
  • [Easy to Use]: Real Diamondwill Emits sounds and lights>=9.
  • [Intuitive Design]: Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights

[intuitive design]: fake crystal, such as cubic zirconium ( cz ), crystal, glass will be no sounds and lights [magnification]: 60x led magnification with batteries ( small microscope ). for gems, coins, antiques, stamps, reading, inspection etc. [easy to use]: real diamondwill emits sounds and lights>=9.

2
9.5
SCORE
[Upgraded] High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond Selector II 9V Battery Included(Black Diamond Testers)

Hqdz [Upgraded] High Accuracy Diamond Tester Professional Jeweler for Novice and Expert

Diamond Selector II 9V Battery Included(Black Diamond Testers)

by Hqdz
What We like

[Intuitive Design]:LCD display & LED indicator.Uses large / small switches for testing diamonds,Emits audible sounds to easily differentiate the readings.

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Product Features

  • [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.
  • [Fast and safe ]:Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing.

[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. [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. [fast and safe ]:professional diamond selector ii will indicate genuine diamond or fake.it is designed for quick, precise, and safe diamond testing.

3
9.4
SCORE
Yult Professional Diamond Testers High Accuracy Practical Portable Diamond Selector for Novice and Expert Jewelry Jade with a Leather Bag and Battery

Yult Professional Diamond Testers High Accuracy Practical Portable Diamond Selector for Novice and Expert Jewelry Jade with a Leather Bag and Battery

by Yult
What We like

Professional Product : Designed for quick, precise, and safe diamond testing. Portable electronic device for distinguishing real diamonds from other simulated stones. Diamond tester is equipped with convenient carrying cases.

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Product Features

  • Easy to Use: If the diamond is fake, it will not display and make a sound. If it is a real diamond, there will be a Light up indicator. It' s very easy to use.
  • Fastest Effect : Display & indicator, large / small switch for testing diamonds +/ - 8 points, metal alert ( When a user accidentally hit the metal rather than stone will sound ).
  • Smooth & Tangled-Free: High-quality ball bearings can ensure a smooth and fast rotation speed, avoid twisting, tangling or bending like other fitness ropes, so that you can skip the rope perfectly.
  • Instrument Configuration: This tester comes with a leather bag and small testing tray for holding loose stones.

Easy to use: if the diamond is fake, it will not display and make a sound. if it is a real diamond, there will be a light up indicator. it' s very easy to use. Fastest effect : display & indicator, large / small switch for testing diamonds +/ - 8 points, metal alert ( when a user accidentally hit the metal rather than stone will sound ). Instrument configuration: this tester comes with a leather bag and small testing tray for holding loose stones. Smooth & tangled-free: high-quality ball bearings can ensure a smooth and fast rotation speed, avoid twisting, tangling or bending like other fitness ropes, so that you can skip the rope perfectly.

4
9.2
SCORE
Diamond Tester+60X LED Magnifying Glasses Jeweler Tool Kit Combo,for Novice and Expert - Diamond Selector II 9V Battery Included(Diamond Tester+)

Molo Diamond Tester+60X LED Magnifying Glasses Jeweler Tool Kit Combo,for Novice and Expert

Diamond Selector II 9V Battery Included(Diamond Tester+)

by Molo
What We like

Intuitive DesignMolo 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.

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Product Features

  • PortableMolo 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. Molos 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 RangeIndustrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.
  • Fast ResultsMolos 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 UseMolo 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.

Simple to useMolo 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 resultsMolos 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. Application rangeindustrial purpose, circuit board and printing , industry, medicine, gardening, coin, diamond,stamp, jewelry, appraisal, education, geography, home and office. PortableMolo 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. Molos 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.

5
8.9
SCORE
Diamond Selector II Test Kit - Jewelry Gold Gem Tester Tool LED Electronic Gemstone Pen Testers with Case Professional Tools Jade Ruby Stone Devices for Jewelers Precious Metal Verifier Gems Detector

KETAR Diamond Selector II Test Kit

Jewelry Gold Gem Tester Tool LED Electronic Gemstone Pen Testers with Case Professional Tools Jade Ruby Stone Devices for Jewelers Precious Metal Verifier Gems Detector

by KETAR
What We like

EASY TO OPERATE: Simple calibration for stones of various sizes. Easy to use even for a new beginner. It is also a great tool to have when testing your own jewelry.

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Product Features

  • RESULT INDICATOR: There are the LED indicator and the audible signal A red light will be displayed and an audible indicator will sound if the stone is a real diamond.
  • CHECKING GEM: The selector is mainly used for industrial purposes, circuit boards, and printing, industry, gardening, coin, diamond, stamp, jewelry, appraisal, education, geography, home, and office.
  • TESTER SIZE: The tool dimensions are 6.6 IN long, 1.6 IN wide, and 0.8 IN thick. The portable gadget is lightweight, matched with a practical carrying case.
  • DETECTION WAY: The tester indicates genuine diamond or fake. The thermal conductivity meter is designed and manufactured according to the thermal conductivity of diamond. The fake crystal, a simulant such as cubic zirconia does not have any reaction.

checking gem: the selector is mainly used for industrial purposes, circuit boards, and printing, industry, gardening, coin, diamond, stamp, jewelry, appraisal, education, geography, home, and office. result indicator: there are the led indicator and the audible signal a red light will be displayed and an audible indicator will sound if the stone is a real diamond. tester size: the tool dimensions are 6.6 in long, 1.6 in wide, and 0.8 in thick. the portable gadget is lightweight, matched with a practical carrying case. detection way: the tester indicates genuine diamond or fake. the thermal conductivity meter is designed and manufactured according to the thermal conductivity of diamond. the fake crystal, a simulant such as cubic zirconia does not have any reaction.

6
8.6
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Origin-Joy High Accuracy Diamond Testers, Professional Fake Jewelry Test Pen with 30X / 60X Dual Lens LED Magnifier & ESD-14 Tweezers, Universal Kit for Novice and Expert

Origin-Joy High Accuracy Diamond Testers

Professional Fake Jewelry Test Pen with 30X / 60X Dual Lens LED Magnifier & ESD-14 Tweezers, Universal Kit for Novice and Expert

by Origin-Joy
What We like

Portable DesignDiamond tester is equipped with convenient carrying cases. The 30X / 60X dual lens LED magnifier also adopts dust-free packaging, no need to worry about clarity.

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Product Features

  • High-precision & Non-destructiveHardness testing through high-precision probes and chips. The operation is simple and precise, even novices can master it with zero mistakes. And the EDS-14 tweezers is helpful for more detailed observation.
  • Intuitive DisplayIf the stone is a real diamond, the pen will make a beep sound as well as show at least 9 LED lights. Other jewels of different hardness will display different numbers of LED lights, please refer to the "Product Description" for specific information.
  • High SecurityAfter 10 minutes' use of the tester, the power indicator light (green light is automatically turned off) and long beep sounds will alert the user to turn off the instrument. And the probe is no harm to diamonds.
  • Package Content1 x Diamond Tester, 1 x Leather Pouch Case, 1 x Testing Platform, 1 x User Manual, 1 x 9V Battery, 1 x Dual Lens LED Magnifier, 1 x ESD-14 Tweezers.

High-precision & non-destructivehardness testing through high-precision probes and chips. the operation is simple and precise, even novices can master it with zero mistakes. and the eds-14 tweezers is helpful for more detailed observation. High securityafter 10 minutes' use of the tester, the power indicator light (green light is automatically turned off) and long beep sounds will alert the user to turn off the instrument. and the probe is no harm to diamonds. Intuitive displayif the stone is a real diamond, the pen will make a beep sound as well as show at least 9 led lights. other jewels of different hardness will display different numbers of led lights, please refer to the "product description" for specific information. Package content1 x diamond tester, 1 x leather pouch case, 1 x testing platform, 1 x user manual, 1 x 9v battery, 1 x dual lens led magnifier, 1 x esd-14 tweezers.

7
8.3
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(Upgraded Version) Diamond Tester is Suitable for The Jewelry Industry, Easy to Carry, Novice and Expert First Choice with 60X LED Magnifying Glass

Sumeier (Upgraded Version) Diamond Tester is Suitable for The Jewelry Industry

Easy to Carry, Novice and Expert First Choice with 60X LED Magnifying Glass

by Sumeier
What We like

[Intuitive design]: The small portable electronic device can be put into any wallet or backpack, and the operation is simple. As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained.

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Product Features

  • [Portable Masonry Test Pen[Portable Masonry Test Pen]: Mainly used to test real and fake diamonds and other simulated gems. Specially designed for fast, precise and safe diamond testing.]: Mainly used to test real and fake diamonds and other simulated gems. Specially designed for fast, precise and safe diamond testing.
  • [Use]: There are prompt sounds and lights to hel[Use]: There are prompt sounds and lights to help you Distinguish diamonds more easily. If it is a fake masonry, it will not react, if it is a real diamond, it will make a sound and glow red.
  • [Principle]: Using the principle of difference of thermal conductivity and electronic conductivity between diamond , mossinate and fake diamond, there are two tests to detect and distinguish colorless diamond,mossinate and fake diamonds.
  • [Package content]: 1 x dc9v battery, 1 x diamond tester, 1 x leather case, 1 x test platform, 1 x user manual for this product.

[package content]: 1 x dc9v battery, 1 x diamond tester, 1 x leather case, 1 x test platform, 1 x user manual for this product. [portable masonry test pen[portable masonry test pen]: mainly used to test real and fake diamonds and other simulated gems. specially designed for fast, precise and safe diamond testing.]: mainly used to test real and fake diamonds and other simulated gems. specially designed for fast, precise and safe diamond testing. [principle]: using the principle of difference of thermal conductivity and electronic conductivity between diamond , mossinate and fake diamond, there are two tests to detect and distinguish colorless diamond,mossinate and fake diamonds. [use]: there are prompt sounds and lights to hel[use]: there are prompt sounds and lights to help you distinguish diamonds more easily. if it is a fake masonry, it will not react, if it is a real diamond, it will make a sound and glow red.

8
8.3
SCORE
High Accuracy Diamond Tester and 2pc 30X Magnifying Glasses Professional Jeweler’Stool Kit Combo,for Novice and Expert - Diamond Selector II 9V Battery Included(Diamond Testers+)

Molo High Accuracy Diamond Tester and 2pc 30X Magnifying Glasses Professional Jeweler’Stool Kit Combo,for Novice and Expert

Diamond Selector II 9V Battery Included(Diamond Testers+)

by Molo
What We like

100% new and high quality eye magnifying glass.Foldable and tiny.It comes with its own hard plastic felt lined storage case, include a small loop to attach to a neck chain or key chain.

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Product Features

  • Magnification : 30X with batteries included.For Gems, Coins, Antiques, Stamps, Reading, Inspection etc.
  • Package Contents: 1 x Diamond Tester, 1 x 9v Battery, 2 x 30x Jewelers Loupe.
  • Simple 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).
  • Portable design:Designed for rapid, accurate and safe diamond testing. Through non-destructive testing, the operation is simple and precise.Diamond tester and magnifier are all equipped with convenient carrying cases.

Portable design:designed for rapid, accurate and safe diamond testing. through non-destructive testing, the operation is simple and precise.diamond tester and magnifier are all equipped with convenient carrying cases. Magnification : 30x with batteries included.for gems, coins, antiques, stamps, reading, inspection etc. Simple 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). Package contents: 1 x diamond tester, 1 x 9v battery, 2 x 30x jewelers loupe.

9
8.3
SCORE
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

Wangyang 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

by yf
What We like

Emits audible sounds to easily differentiate the readings

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Product Features

  • If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction.
  • Professional Diamond Selector II will indicate genuine diamond or fake
  • Portable electronic device for distinguishing real diamonds from other simulated stones.
  • It is designed for quick, precise, and safe diamond testing.

Professional diamond selector ii will indicate genuine diamond or fake It is designed for quick, precise, and safe diamond testing. If stone is fake crystal, a simulant such as cubic zirconium ( cz ), will be no reaction. Portable electronic device for distinguishing real diamonds from other simulated stones.

10
7.1
SCORE
[Upgraded] 30X Jewelry Loupes Microscope Magnifier and High Accuracy Professional Jeweler Diamond Tester Diamond Selector,for Novice and Expert,9V Battery Included(Loupes Magnifier+Diamond Tester)

Yhkj [Upgraded] 30X Jewelry Loupes Microscope Magnifier and High Accuracy Professional Jeweler Diamond Tester Diamond Selector

for Novice and Expert, 9V Battery Included(Loupes Magnifier+Diamond Tester)

by Yhkj
What We like

It is designed for quick, precise, and safe diamond testing.Emits audible sounds to easily differentiate the readings.

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Product Features

  • Made of optical glass lens with chrome plated metal body; protected when not in use by the swing-out chrome plated metal cover.
  • Professional Diamond Selector II will indicate genuine diamond or fake,LCD display & LED indicator.
  • 30X Jewelry Loupes Microscope Magnifier Lens for Great for Industrial Purpose, Circuit Board And Printing , Industry, Gardening, Coin, Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.

Made of optical glass lens with chrome plated metal body; protected when not in use by the swing-out chrome plated metal cover. 30x jewelry loupes microscope magnifier lens for great for industrial purpose, circuit board and printing , industry, gardening, coin, stamp, jewelry, appraisal, education, geography, home and office. Professional diamond selector ii will indicate genuine diamond or fake,lcd display & led indicator.

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