Presidium

4.0 Fact checked

Buy on Amazon

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

When purchasing a product, price is the consumer's primary concern. At present, Presidium has 27 products for sale. Presidium products range in price from $29.95 to $599, and the average price of all the products is about $287.5. You should take everyting into consideration before buying the products, after all, it is not a small expenditure for most consumers.

We found that most of the Presidium products are manufactured by Presidium Instruments, Presidium Instruments LTD, and .. The manufacturers provide Presidium with a steady supply of products, and they have a good cooperative relationship with each other.

Currently, Presidium products are mainly sold by the seller Jeweler's Supermarket, who gets an average rating of 4.0. Although this is not a very high rating, you can consider this brand as an alternative when buy jewelry diamond testers and make comparisons to choose the most suitable product for you.

Presidium Best Sellers

Last Updated: Jan 12, 2025

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

Jewelry Diamond Testers

Buy on Amazon Find on eBay

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. IMPORTANT TO NOTE The calibration of this product may be affected during shipping. If you experience issues with calibration, please reach out to the seller for assistance prior to returning the item.

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

Jewelry Diamond Testers

Buy on Amazon Find on eBay

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.

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

Jewelry Diamond Testers

Buy on Amazon Find on eBay

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.

Presidium SDS Synthetic Diamond Screener

Buy on Amazon Find on eBay

Advanced technology that measures a diamond's UV light transmittance ability

2 color coded (blue/red) indicator light bars to give a low or high reading of UV light absorption with blue light indicating Natural Diamond and red light indicating Type IIa Diamond

Instantaneous clear results within 2 seconds

Blue light to illuminate the testing pad

Presidium Duo Tester PDT Diamond Gemstone Tester

Jewelry Diamond Testers

Buy on Amazon Find on eBay

Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone

Industrys thinnest probe tip (0.6mm) for testing gemstones as small as 0.02ct

Large easy to read analog dial with 15 colored gemstones

Consistent and reliable results every time

Simple and easy to use

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

Jewelry Diamond Testers

Buy on Amazon Find on eBay

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.

Presidium Electronic Refractive Index Meter II

Lab Refractometers

$Presidium Electronic Refractive Index Meter II Cover$

Buy on Amazon Find on eBay

Presidium Refractive Index Meter II (PRIM II), Separates diamonds, moissanites and gemstones via its Refractive Index in seconds! By accurately measuring the quantity of light reflected through the stone, Presidium Refractive Index Meter II (PRIM II) is able to separate diamonds, moissanites and other colored gemstones via its Refractive Index (RI) on flat surfaces of polished gemstones.

Unlike a traditional refractometer, PRIM II is able to measure the range of RI value from 1.000 to ~3.000, therefore covering the commonly known gemstones in the market, including diamonds and moissanites, In addition, a fast and easy test can be done, without the inconvenience and messy usage of RI liquid.

The new software enables the user to further eliminate the list of possible colored gemstones by entering known values such as color, hardness and S.G. value, Further information regarding gemstone properties, common found locations can also be easily found.

Features : PRIM II Software An enhancement to enable users to further eliminate the list of possible colored gemstones by entering known values such as color.

hardness and S.G. value, Powered up by USB... For more details please check product description.

Gem Indicator (PGI) Gem Tester

Jewelry Gold Testers

Buy on Amazon Find on eBay

31 different types of colored gems can be tested

Easy-To-Read clear Digital LED Screen and fast read out

Internal Library Database Function of gemstones and their possible colors. Helps indicate up to 31 different types of colored gems

Use with AAA batteries or the USB cable.

1 Year manufacturer warranty

PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER

Jewelry Diamond Testers

Buy on Amazon Find on eBay

Presidium Gemstone Dial Gauge (PDG)

Dial Indicators

Buy on Amazon Find on eBay

Easy to read scale to eliminate eye fatigue

Hardened anvils resist wear and maintain accuracy for much longer periods

Directly provides dual measurements in millimetre and clear and instant carats conversion.

Ideal for calibrating melee & matching gemstones

Includes a 1 year factory warranty

Presidium Gem Computer Gauge

Buy on Amazon Find on eBay

Presidium Adamas Diamond and Moissanite Tester | World’s First Tester with Replaceable Micro Probe Tip | for Authenticating Diamonds with Included AC Adapter

Jewelry Diamond Testers

Buy on Amazon Find on eBay

INDUSTRY'S THINNEST TIP: Detects colorless diamonds, moissanites, simulants instantly with metal alert. Accurate testing on colorless diamonds as small as 0.02 carats and diamond melees as small as 0.01 carats with micro probe purchased separately

DYNAMIC MICRO LED DISPLAY: Bright LED display provides clear and precise results. Automatic power off after 2 minutes of inactivity.

SLEEK ERGONOMIC STYLING: Sleek light and portable design with chrome-brushed tip and ergonomic grip provides an easy and comfortable hand hold. Power with 3 x AAA batteries or included USB cable and adapter

EASY-TO-USE INTERCHANGEABLE PROBE: Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced accuracy. Damaged probes are easily replaced without downtime.

BUILT-IN MEMORY: Memory chip conveniently stores up to 500 previous test records.

SAM by Presidium, Diamond Tester and Identify a Wider Range of Moissanites

Jewelry Diamond Testers

Buy on Amazon Find on eBay

Tests Carat Size 0.01 to 10 carats

Consistently identifies against a wider range of moisanites, including the new "low electrical conductivity moissanite" made in varous countries.

More advanced processing and detection algorithm; Industry's fastest start-up and testing time

Highly sensitive thermoelectrical probe capable of identification in a higher resolution; Industry's fastest start-up and testing time

Battery life: Approximately 2,000 continuous tests. Easy and Safe to use. Powered via USB or 3xAAA Alkaline Batteries, LED Display; INCLUDES: SAM, Metal Stone Rest, User Handbook, Waranty Card and Carrying Case

Original Presidium Electronic Diamond/Gemstone Gauge PEGG

Buy on Amazon Find on eBay

A convenient digital gauge that measures gemstone dimensions.

Presidium Electronic Gemstone Gauge is the industry's first electronic gemstone gauge and utilizes solid-state electronics to accurately measure up to 1/100mm.

PEGG features a clear and visible high-tech digital display for ease of reading measurements.

Its touch button zeroing allows the convenience of resetting to zero at any measurement point.

For more details please check product description.

Presidium Gem Indicator (PGI) - Handheld Tester

Jewelry Diamond Testers

Buy on Amazon Find on eBay

Presidium Adamas Diamond/Moissanite Tester Package USB Charger and Optional Replacement Tip

Jewelry Diamond Testers

Buy on Amazon Find on eBay

Identifies diamonds, moissanites, simulants and metals instantly

Accurate testing on diamonds as small as 0.02ct and diamond melee as small as 0.01ct (Micro Tip Required)

Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced accuracy

Light and portable, Simple and easy to use and compatible with OMI web app

Includes Presidium Adamas Tester as well as a 100-240V USB Charger

Presidium Gem Tester (PGT II) Complete Unit and Replacement Probe Pen PS2-2 for PGT II and PDT II Bundle

Jewelry Diamond Testers

Buy on Amazon Find on eBay

PGT II COMPLETE UNIT - INCLUDED ASSISTED THERMAL CALIBRATION Now easily self calibrate your device to your testing environment.

REPLACEMENT PROBE PEN PRODUCT COMPATIBILITY: For use with Presidium Gem Tester II (PGT II) and Presidium Duo Tester II (PDT II) only.

VERSATILE AND RELIABLE Consistent and reliable results every time. Identifies diamonds/moissanites.

THINNEST RETRACTABLE PROBE TIP: Features the industry's thinnest retractable probe tip that ensures consistent pressure against the gemstone during testing.

SIMPLE & EASY TO USE Clear and easy-to-read analog dial; Can differentiate 16 types of gemstones.

PDMT-A Diamond Mate Electronic Tester A

Jewelry Diamond Testers

Buy on Amazon Find on eBay

Low power usage and low battery indicator make sure you always have power when you need it

Instant recovery time in between tests

Uses thermal conductivity tests to detect diamond and simulants

Metal detector alerts users if contact is accidentally made with gem mounting

1 Year Factory Warranty

PRESIDIUM ELECTRONIC GEMSTONE DIAMOND GEM GAUGE PEGG

Loose Gemstones

Buy on Amazon Find on eBay

Presidium Sam Optional AC Adapter

AC Adapters

Buy on Amazon Find on eBay

Optional AC Adapter for Presidium Sam Units

USB Adapter

Presidium FAQs

Is Presidium Legit?

Yes, Presidium is a legitmate brand on Amazon. After conducting a comprehensive analysis of 1,794 customer reviews for Presidium products on Amazon, we have determined its average rating. With an average rating of 4.0, it's clear that Presidium has room for improvement. While many customers are satisfied with their purchases, there have been some issues reported. We advise reading the product reviews carefully before buying to make a well-informed decision.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

How to find more Presidium products?

If you're interested in Presidium and want to find more Presidium products, you can follow the steps below:

Go back to FindThisBest's homepage.
Type Presidium in the search box and hit Enter to see the search results.
Find and click the correct Presidium to go to the new page.
Select the products you want in the Presidium buying guide, and take a glance at the prices and features of the products.
View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more Presidium products.

How does findthisbest choose the top Presidium products?

We analyze millions of Presidium products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

How can I purchase Presidium products via FindThisBest?

Go to the Presidium page.
Select the product you want in the Presidium buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product Presidium Instruments Gem Tester II (PGT II) with..., you can view it on Amazon page.
Place your order on Amazon.

Who are the manufacturers of the Presidium products?

Most of the Presidium products are produced by Presidium Instruments, Presidium Instruments LTD, and .. The manufacturers provide Presidium with a steady supply of products, and they have a good cooperative relationship with each other.

What is the purpose of your brand guide?

Our mission is to provide you with the most up-to-date and objective information about the Presidium products, helping you make more informed buying decisions. We recommend best choices of the products from the Presidium brand, helping you make better shopping choices with less time and energy.

Similar Brands

WEN

Neoteck

Mitutoyo

Accusize Industrial Tools