10 Best Dimon Gem Tester In The Us - Black Friday 2024

Advertising Disclosure

Last Updated - November 22, 2024

Best Choice

1

Clicked 98 times in the last month

Presidium
Presidium Duo Tester PDT Diamond Gemstone Tester

8.2 clearly written

8.0 Simple to use

8.0 worth the money

Why we love it

Ensures accurate gemstone identification with consistent pressure.

Thinnest probe tip for testing tiny gemstones accurately.

Easy-to-read dial simplifies gemstone identification.
Main highlights

Retractable Thermoelectric Probe
The retractable thermoelectric probe ensures constant pressure between the probe and gemstone, providing consistent and reliable results every time.

Ideal for Gemstone Verification
Perfect for checking if stones are as described, especially useful for identifying colored stones and providing peace of mind in stone verification.

Praised Accuracy and Ease of Use
Customers appreciate the product's accuracy and ease of use, with many noting its helpfulness in verifying gemstone authenticity.
Show more
9.9

Exceptional

View offer on:

Show more
Curious about how we select the top products for you? Explore How It Works

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Value for Money

2

Presidium
Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones

8.0 Simple to use

8.0 worth the money

8.0 Precision
Main highlights

VERSATILE AND RELIABLE | Color input function to further separate gemstones for more precise results.
THINNEST RETRACTABLE PROBE TIP | Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced accuracy.
INDUSTRIES MOST TRUSTED | The only handheld tester specifically for colored gemstones; Quick results in less than 6 seconds.
ERGONOMIC | Sleek chrome-brushed ergonomic grip; USB port for alternative power and handheld for convenience.
EASY TO READ | Results are on a clear digital LED screen; Tests an extended range of 31 different gemstones.
Show more
9.7

Exceptional

View offer on:

Show more
3

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

8.2 Simple to use

8.0 Precision

8.0 worth the money

Why we love it

The PGT II is a reliable and versatile gemstone tester that is easy to use.

The PGT II features the industry s thinnest retractable probe tip, making it easier to use.

The PGT II is designed to be more compact, sturdy and portable.
Main highlights

Key Features
Compact, sturdy design with the industry`s thinnest retractable probe. Easy calibration, reliable diamond/moissanite identification. Differentiates 16 gem types.

Ideal Use Cases
Perfect for jewelers, pawnbrokers, or anyone needing to identify gemstones accurately and on-the-go. Great for verifying authenticity and quality.

Customer Praise
Users love its simplicity and ease of use. The accurate, consistent results and straightforward calibration process are highly appreciated.
Show more
9.6

Exceptional

View offer on:

Show more
4

Hqdz
High Accuracy Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector II 9V Battery Included(Black)

Why we love it

The Diamond Selector II can quickly and accurately tell whether a diamond is real or fake.

It is easy to use and comes with a testing platform and user manual.

The Diamond Selector II is battery powered for convenience.
Main highlights

[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.
[High-Frequency Sound when Testing Metal]:The high-frequency sound during metal testing is due to the test pen's operational principle, which relies on thermal conductivity to distinguish between diamonds and fake gemstones. Since metal possesses thermal conductivity similar to diamonds, it generates a high-frequency sound during testing.
[Fast and safe ]:Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing.LCD display & LED indicator.Uses large / small switches for testing diamonds,Emits audible sounds to easily differentiate the readings.
[Beeping Upon Startup]:Ensure correct installation and adequate power in the test pen battery. Also, clean the test pen probe as maintaining its cleanliness can enhance testing efficacy.A beeping sound upon powering on signifies the need for initialization settings. Consult the table on the rear of the machine for the specific initialization settings considering the diamond's temperature and size. Adjust the initial number of illuminated lights by rotating the knob (the default setting is to have 4 lights illuminated at room temperature).
[Bare Hands Operation]:All the tests must be done by your bare hands. If you put on your gloves, the metal alert will not function since a normal moisture levelof your hands is necessary for operation.All test must be done by TWO hands, one for hold the diamond and one for the diamond tester. As for the hand which hold diamond tester, you have to touch the electricity conductive panel on the back of the unit.If you test the diamond just by one hand, you will get a wrong result.
[ Note]: The battery temperature is lower than 10 degrees Celsius, which seriously affects the use time Don't wear gloves，Don't detect metal Best to measure in no wind conditions，The operating temperature is within the range of 10-35 degrees Celsius, and the humidity is below 80% When testing diamond, your right index finger must keep touching the metal panel on the back of the tester. Please turn off the power after the test to save power.
Show more
9.5

Excellent

View offer on:

Show more
5

Presidium
Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

8.4 Durability

8.0 Simple to use

8.0 Precision

Why we love it

Compact, sturdy, and portable for easy use.

Identifies 16 types of gemstones accurately.

Excellent customer service and quick replacements.
Main highlights

Compact_Sturdy_Portable_Design
INDUSTRIES MOST TRUSTED gemstone tester redesigned to be more compact, sturdy and portable. Features the industry’s thinnest retractable probe tip.

Ideal_for_Jewelry_Sellers_and_Hobbyists
Perfect for identifying diamonds and moissanites. Simple to use with an easy-to-read analog dial, differentiating 16 types of gemstones.

Praised_for_Accuracy_and_Reliability
Consistently praised for its accuracy and reliability in identifying gemstones. Users appreciate the responsive customer support and easy calibration process.
Show more
9.4

Excellent

View offer on:

Show more
6

Dupeakya
Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone

15% Off

8.0 worth the money

8.0 Precision

8.0 Simple to use

Why we love it

Easy to use

portable

fast and precise
Main highlights

This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond tests.
The small portable electronic devices can be put in 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.
The diamond detector with voice instructions and audible sounds are emitted when the lights are on so that you can easily distinguish between masonry and stone.
Package contents: 1 x diamond tester, 1 x leather case, 1 x test platform, 1 x user manual. This product uses a dc9v battery (not including battery).
An excellent tool kit for the diamond tester, suitable for handling any exposed or inlaid diamonds and gems, as well as other jewelry and precious metal items.
Show more
9.3

Excellent

View offer on:

Show more
7

Presidium
Presidium Multi Tester III (PMuT III) All-in-One Instrument for Testing Diamonds, Moissanites and Diamond Simulants

19% Off

8.7 movability

8.0 Simple to use

8.0 worth the money

Why we love it

Ergonomic design with anti-slip grip for easy handling.

Tests both diamonds and moissanites in one device.

Clear multi-viewing LED display for easy readability.
Main highlights

Ergonomic Design and Clear Display
Ergonomic handheld design with rubberized anti-slip grip, 180-degree multi-viewing LED display for easy readability, and a convenient carrying case.

Ideal for Testing Small Diamonds
Perfect for testing colorless diamonds as small as 0.02ct and moissanites, especially useful for loose stones and jewelry.

Ease of Use
Customers frequently praise the product's ease of use, noting its intuitive design and reliability in identifying diamonds and glass.
Show more
9.2

Excellent

View offer on:

Show more
8

SMARTPRO
SmartPro SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro

8.0 Simple to use

8.0 Precision

8.0 worth the money

Why we love it

Fast testing times

Ultra thin probe tip

On the go convenience
Main highlights

Key Features
Ultra-thin 0.48mm probe for 0.01ct diamonds, instant identification of metals and simulants, portable with no wait time between tests.

Ideal Use Cases
Perfect for jewelers, pawnshops, and gem collectors requiring precise testing on small diamonds and various materials in any setting.

Customer Praise
Most reviews highlight its accuracy and speed in identifying materials, making it a reliable tool for professionals and enthusiasts alike.
Show more
8.9

Very Good

View offer on:

Show more
9

TEKCOPLUS
Diamond Tester Jewelry Gem Stone Tester Kit – Professional 2-in-1 Tester for Diamonds, Moissanite, Metals, and Gemstones
Main highlights

Testing that is Accurate and Reliable: Designed to easily differentiate between stones such as moissanites and diamonds. Testing of stones as small as 2 pt may be done accurately thanks to the fine, elastic-tipped probe
Quick Warm-Up: Make the most of your time by starting quickly with a warm-up that takes just 25 seconds
Optimal Efficiency: This tester combines speed and precision for optimal production. Its easy-to-use and straightforward design increases productivity without sacrificing quality
Integrated Metal Detector: This feature helps locate and eliminate undesired metals or rubbish, ensuring a safe and tidy work area
Audible Alerts: Prevent unneeded waiting time by staying focused with the helpful beep sound signal that lets you know when the gadget is ready for use
Show more
8.8

Very Good

View offer on:

Show more
10

TEKCOPLUS
Diamond Tester Jewelry Gem Stone Tester Moissanite Tester Professional 2pt Jewel Stone Combo Tester Kit for Diamond, Moissanite, Metal and Gemstone Selection - High Accuracy Jeweler Test Meter Device

8.4 Simple to use

8.0 worth the money

8.0 Precision

Why we love it

The built in metal detector is a great feature.

The beep sound indicator is a great feature.

The probe warm up time is about 25 seconds.
Main highlights

OPTIMAL EFFICIENCY: Our Diamond Tester Pen is designed with your efficiency in mind, so you can work quickly and effectively without sacrificing quality. Its user-friendly features and intuitive design make it the perfect choice for anyone looking to maximize their productivity
Note: Could be powered by AAA alkaline batteries, NiMH batteries or an AC power adaptor (all are not included in the set)
FAST WARM UP TIME: Diamond Tester Professional With a quick and efficient warm up time of only about 25 seconds, you can get to work right away and make the most of your valuable time
BUILT IN METAL DETECTOR: Jewelry Diamond Testers Keep your work environment safe and secure with the built-in metal detector, which ensures that no unwanted metals or debris are left behind
AUDIBLE ALERTS: Jeweler Diamond Tool Kit The beep sound indicator lets you know when the device is ready to use, so you can stay focused on your work and not waste time waiting for it to warm up
ACCURATE AND RELIABLE TESTING TOOLS: Professional Diamond Moissanite Tester Specifically designed to quickly and easily distinguish between diamonds, moissanites, and other fake stones. It features a fine, elastic-tipped probe that is capable of testing stones as small as 2pt
Show more
8.7

Very Good

View offer on:

Show more

10 Best Dimon Gem Tester In The Us - Black Friday 2024

1

Presidium Duo Tester PDT Diamond Gemstone Tester

Why we love it

2

Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones

3

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

Why we love it

4

High Accuracy Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector II 9V Battery Included(Black)

Why we love it

5

Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

Why we love it

6

Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tester Tool for Jewelry Jade Ruby Stone

Why we love it

7

Presidium Multi Tester III (PMuT III) All-in-One Instrument for Testing Diamonds, Moissanites and Diamond Simulants

Why we love it

8

SmartPro SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro

Why we love it

9

Diamond Tester Jewelry Gem Stone Tester Kit – Professional 2-in-1 Tester for Diamonds, Moissanite, Metals, and Gemstones

10

Diamond Tester Jewelry Gem Stone Tester Moissanite Tester Professional 2pt Jewel Stone Combo Tester Kit for Diamond, Moissanite, Metal and Gemstone Selection - High Accuracy Jeweler Test Meter Device

Why we love it

Black Friday Sale

Related deals you might like for dimon gem tester

Jewelry Diamond Tester,Jewelry Diamond Tester＋200g/0.01g Mini Jewelry Scale+30X 60X 90X Mini LED Magnifying,Professional Diamond Selector for Novice and Expert,Thermal Conductivity Meter

$24.80

HMKIS Diamond Tester Pen, High Accuracy Professional Jewelry Diamond Tester with 60X Jewelry Loop Magnifier, Diamond Selector for Novice and Expert

$17.89

High Accuracy Diamond Tester Jewelry Diamond Detector Gem Diamond Tester Pen 30X 60X Illuminated Jewelry Eye Loupe Mini Led Foldable Magnifying Jewelry Distinguish Tool (Black Tester, Black Loupe)

$16.90

Heavy Duty Calcite Dichroscope Gemstone Tester Trichoic Pleochroic Colors Gemstone Identification Gemstones Gemological Testing Diamond Jeweler Tool Metal Body Gemology

$31.09

Generic Jewelry Refractometer, Portable Gem Tester, Professional Gemstone Tester, Gem Refractometer, Measures Refractive Index 1.30-1.81, Flashlight Included, Easy to Use

$57.64

Portable Diamond Tester with Testing Platform and Carrying Case, Jewelry Diamond Selector Gem Tester Pen for Identification of the True and False of Diamond(Black)

$12.89

Deluxe Jeweler's Diamond & Gemstone Analyzer Tester for Diamonds Moissanites Stones Lab-Created Simulants with Stone Gauge

$16.97

Diamond Tester Pen,High Accuracy Jewelry Diamond Tester,Professional Diamond Selector,Jewelry Diamond Gem Identification Instrument Tool Thermal Conductivity Drill Pen,for Novice and Expert

$39.80

Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋Expert Jade Appraisal Flashlight＋30X 60X 90X Illuminated Jewelers Magnifier,Professional Diamond Selector for Novice and Expert

$26.99

Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋200g/0.01g Mini Jewelry Scale＋60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

$24.56

Sign up and get exclusive special deals