12 Best Rated Diamond Testers in September 2023

1

PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER

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  8.8
• Brand
  Presidium

• Verifies authenticity of diamonds instantly
• Thin probe tip (.6mm) for testing diamonds as small as .02ct  more

2

Diamond Tester Pen, Professional Diamond Selector for Novice and Expert,

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  8.8
• Brand
  Asahijade
• Prime

• Real Diamond will Emits sounds and lights >=9.
• This diamond selector tester designed for quick, precise, and safe diamond testing.  more

3

Diamond Tester High Accuracy Diamond Tester Pen,Environmental Protection 9V Battery,Professional

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  8.6
• Brand
  Yhkj
• Prime

• ✔●Professional Diamond Selector II will indicate genuine diamond or fake,LCD display & LED indicator.
• ✔●It is designed for quick, precise, and safe diamond testing.Emits audible sounds to easily differentiate the readings.  more

4

Diamond Tester Pen＋60X Mini LED Magnifying,High Accuracy Jewelry Diamond Tester

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  8.6
• Brand
  Hqdz
• Prime

• ✔【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.  more

5

mollo High Accuracy Diamond Tester+30X60X Illuminated Jewelry Eye Loupe Mini

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  8.6
• Brand
  mollo
• Prime

• ✔【Intuitive Design】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】Mollo 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 30X60X LED lighted Loupe, magnifying glasses.  more

6

HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋ 60X

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  8.4
• Brand
  HMKIS
• Prime

• [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.  more

7

Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋200g/0.01g Mini Jewelry

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  8.4
• Brand
  Szxhf
• Prime

• 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.  more

8

StillCool Diamond Tester, High Accuracy Diamond Test Pen, Professional Jewelry

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  8.2
• Brand
  StillCool
• Prime

• LCD display & LED indicator.
• It is designed for quick, precise, and safe diamond testing.  more

9

High Accuracy Diamond Tester Professional Diamond Tester Pen Jeweler Tool

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  8.2
• Brand
  Hqdz
• Prime

• [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.  more

10

Best Precision Jewelry Diamond Test Pen Environmentally Friendly 9V Battery,

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  8.2
• Brand
  UVER
• Prime

• Professional Diamond Selector II will show real diamonds or fakes，Use the big/small switch to test diamonds，Makes an audible sound to easily distinguish readings.
• Easy to use：Real diamonds make sounds and lights >= 9.Fake crystal, such as cubic zirconia (CZ), crystal, glass will not emit sound and light <9.  more

11

High Accuracy Diamond Tester＋LED Lighted Slide Out Pocket Magnifying Glass(

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  8.2
• Brand
  Molo

• ✔【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.
• ✔【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.  more

12

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal

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  8.0
• Brand
  Presidium

• 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  more

Last update on 2023-09-24 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

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Best Overall: PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER

(The Presidium DiamondMate-C Electronic Diamond Tester is the perfect tool for anyone interested in testing the quality of their diamond. This tester is incredibly fast and easy to use, requiring no special skills or knowledge. It also comes with a user manual that provides additional information on how to use the tester.)

Best Budget: HMKIS Diamond Tester Pen

(The HMKIS Diamond Tester pen uses a 60X mini LED magnifying lens to help you identify diamond quality. The thermal conductivity meter lets you measure the heat flow from a diamond to a finger (or other object) to determine its quality. It is the perfect tool for novice and expert jewelers. The pen has a comfortable grip and is easy to use.)

Editor’s Choice: StillCool Diamond Tester

(This diamond tester is designed for professional jewelers and jewelers. With a high accuracy, it can identify diamonds with great precision. It is easy to use and perfect for the experienced jeweler. The pen has a long life and is very durable. This tester can also be used to test other gemstones such as rubies, sapphires, emeralds, and more.)

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How accurate are diamond testers?

There is no one definitive answer to this question as diamond testers can be quite accurate depending on the model and brand. Generally, diamond testers will give you a reading that reflects how many diamonds are in a given piece of jewelry. However, due to the unique characteristics of diamonds, each one can be different and some may be slightly larger or smaller than others.

What stones will pass a diamond tester?

There is no one definitive answer to this question as the quality of a stone's diamond content will vary depending on the type of tester used. However, some stones that are commonly tested include amethyst, turquoise, peridot, and sapphire.

Can you trust diamond testers?

There is no one definitive answer to this question. Diamond testers can be trusted to provide accurate information about the quality of a diamond, but there is always the potential for fraud. It is important to do your own research before making a purchase, and to trust your gut feeling when it comes to diamonds.

How can you test a diamond at home?

There are a few ways to test a diamond at home. One way is to use a diamond tester pen. You can also use a diamond scale or an electronic diamond tester.

Do lab grown diamonds go off on diamond tester?

There is no definitive answer to this question as it depends on the specific diamond tester in use. However, most diamond testers are designed to test for the presence of diamonds and other gemstones, so it is likely that they would be able to detect lab grown diamonds.

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Diamond testers are an important part of the diamond industry. They help to ensure that diamonds are of the highest quality and meet the requirements set by buyers. If you are in the market for a diamond, make sure to use a reputable diamond tester to ensure that you are getting the best possible product.