The Best Gem Stone Tester – 2022

After hours of researching and comparing all models on the market, we find out the Best Gem Stone Tester of 2022. Check our ranking below.

Our Picks For The Top Gem Stone Tester

Overall Product Rankings

Rank No. 1
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
Rank No. 2
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.
Rank No. 3
Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones
  • 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 accuracy.
  • 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.
Rank No. 4
GemOro Testerossa Talking Diamond, Moissanite & White Sapphire Tester, Silver
39 Reviews
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
Rank No. 5
Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones
  • INDUSTRIES MOST TRUSTED | The only handheld tester specifically for colored gemstones; Quick results in less than 6 seconds.
  • THINNEST RETRACTABLE PROBE TIP | Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced accuracy.
  • 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.
Rank No. 6
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
SaleRank No. 7
Presidium Multi Tester III (PMuT III) All-In-One Instrument for Testing Diamonds, Moissanites and Diamond Simulants
  • 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 assistance prior to returning the item.
  • 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. With the industry’s thinnest probe tip size of 0.6mm, the PMuT III tests colorless diamonds as small as 0.02ct.
  • 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 batteries.
Rank No. 8
DANOPLUS Professional Diamond Moissanite Tester, High Accuracy Jewelry Test Tool Kit Combo, 2pt Gemstone Factory Calibrated Identifier Device
9 Reviews
DANOPLUS Professional Diamond Moissanite Tester, High Accuracy Jewelry Test Tool Kit Combo, 2pt Gemstone Factory Calibrated Identifier Device
  • ACCURATE & RELIABLE: This device is designed to help you quickly determine diamond and moissanite from other fake stones. It can distinguish gemstones as small as 2 pt.
  • SIMPLE TO USE: Easy to operate without the need to make any necessary adjustments in the LED bar graph via volume control to match stones of different sizes, like those used in other diamond testers.
  • WITH BUILT- IN METAL DETECTOR: Metal detector signals if the metal setting is touched instead of the stone. Without this feature, other testers can indicate a real diamond when you unknowingly touch the setting even if the diamond is fake.
  • NON-SLIP DESIGN: Designed with rubber paint finish, this device provides safe, non-slip comfort and control. It is also equipped with a fine elastic tipped probe for testing and identifying stones with small sizes.
  • PORTABLE & DEPENDABLE: With its compact-sized design, it's easy to bring when you need it, where you need it. It also allows continuous use of up to 2 hours and quick probe warm up time of 25 seconds.
Rank No. 9
GemOro Ultratester 3+ Diamond, Moissanite & White Sapphire Tester, Black
  • Recommended by Charles & colvard
  • Detects the widest range of moissanite, including forever one moissanite
  • Tests for diamonds, moissanite, and white sapphire
Rank No. 10
Gemoro Testerossa Diamond, Moissanite & White Sapphire Tester
  • Identifies, detects and separates diamond from CZ, moissanite and white sapphire with New Enhanced M
  • New Enhanced Moissanite Testing Technology for low conductivity stone identification
  • LED stone illumination and UV fluorescence detection,Retractable probe tip with enhanced durability
  • Powered by MICRO USB or with its included rechargeable NiMH batteries, or your AAA Akaline Batteries
  • Unprecedented 10-YEAR PROBE TIP WARRANTY; Lifetime Limited Replacement Warranty on the tester

How Do You Buy The Best Gem Stone Tester?

Do you get stressed out thinking about shopping for a great Gem Stone Tester? Do doubts keep creeping into your mind? We understand because we’ve already gone through the whole process of researching Gem Stone Tester, which is why we have assembled a comprehensive list of the greatest Gem Stone Tester available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Gem Stone Tester that you consider buying. Your questions might include the following:

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

We’re convinced that you likely have far more questions than just these regarding Gem Stone Tester, 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 Gem Stone Tester, 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 Gem Stone Tester. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Gem Stone Tester 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 Gem Stone Tester 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 Gem Stone Tester 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 Gem Stone Tester?
  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 Gem Stone Tester.
  5. Customer Ratings: Number ratings grade Gem Stone Tester objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Gem Stone Tester.
  7. Product Quality: You don’t always get what you pay for with an Gem Stone Tester, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Gem Stone Tester is should be an indication of how long it will work out for you.

We always remember that maintaining Gem Stone Tester 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 Gem Stone Tester is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.