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

Presidium Instruments Gem Tester II PGT II with Assisted Thermal Calibration ATC ...
4.2

300+ bought

LYD 2364

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

Presidium Multi Tester III PMuT III All-in-One Instrument for Testing Diamonds, ...
3.7

50+ bought

LYD 1849

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

Presidium Multi Tester III PMuT III All-in-One Instrument for Testing Diamonds, ...
3.7

50+ bought

LYD 1849

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

Presidium Multi Tester III PMuT III All-in-One Instrument for Testing Diamonds, ...
3.7

50+ bought

LYD 1849

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

Presidium Multi Tester III PMuT III All-in-One Instrument for Testing Diamonds, ...
3.7

50+ bought

LYD 1849

Presidium Diamond Mate C PDMT-C Diamond Tester | Professional Portable Diamond Authenticity Testing Tool | Diamond and Jewelry Thermal Conductivity Tester with Rechargeable Battery and AC Adapter
US Store
Presidium

Presidium Diamond Mate C PDMT-C Diamond Tester | Professional Portable Diamond ...
4.2

50+ bought

LYD 1294

Presidium Instruments Gem Indicator PGI Handheld Tester for Identifying Diamonds and Common Colored Gemstones
US Store
Presidium

Presidium Instruments Gem Indicator PGI Handheld Tester for Identifying Diamonds ...
3.6

LYD 2642

PRESIDIUM ELECTRONIC GEMSTONE DIAMOND GEM GAUGE PEGG by Presidium
US Store
Presidium

PRESIDIUM ELECTRONIC GEMSTONE DIAMOND GEM GAUGE PEGG by Presidium

LYD 2436

Presidium Diamond Mate C PDMT-C Diamond Tester | Professional Portable Diamond Authenticity Testing Tool | Diamond and Jewelry Thermal Conductivity Tester with Rechargeable Battery and AC Adapter
US Store
Presidium

Presidium Diamond Mate C PDMT-C Diamond Tester | Professional Portable Diamond ...
4.2

LYD 1215

Presidium Adamas Diamond and Moissanite Tester | Worlds First Tester with Replaceable Micro Probe Tip | for Authenticating Diamonds with Included AC Adapter
US Store
Presidium

Presidium Adamas Diamond and Moissanite Tester | Worlds First Tester with ...
3.6

LYD 3435

PRESIDIUM GEM COMPUTER GAUGE FOR DIAMONDS AND GEMSTONES PEGCG - NEW!
US Store
presidium

PRESIDIUM GEM COMPUTER GAUGE FOR DIAMONDS AND GEMSTONES PEGCG - NEW!

LYD 4310

5% OFF
PRESIDIUM ADAMAS DIAMOND AND MOISSANITE TESTER
US Store
presidium

PRESIDIUM ADAMAS DIAMOND AND MOISSANITE TESTER

LYD 3983 4190

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

Presidium Adamas Diamond/Moissanite Tester Package USB Charger and Optional ...
3.4

LYD 3435

Presidium Adamas Diamond and Moissanite Tester | Worlds First Tester with Replaceable Micro Probe Tip | for Authenticating Diamonds with Included AC Adapter
US Store
Presidium

Presidium Adamas Diamond and Moissanite Tester | Worlds First Tester with ...
3.6

LYD 3435

Presidium Instruments Gem Indicator PGI Handheld Tester for Identifying Diamonds and Common Colored Gemstones
US Store
Presidium

Presidium Instruments Gem Indicator PGI Handheld Tester for Identifying Diamonds ...
3.6

LYD 2642

SAM by Presidium | Advanced Diamond and Moissanite Tester with Thermoelectrical Probe | Detects Low Conductivity Moissanite | 0.0110 Carat Diamond Testing Tool
US Store
Presidium

SAM by Presidium | Advanced Diamond and Moissanite Tester with Thermoelectrical ...
4.3

LYD 2563

PRESIDIUM GEM TESTER II COLORED STONES DIAMOND NEW MODEL
US Store
presidium

PRESIDIUM GEM TESTER II COLORED STONES DIAMOND NEW MODEL

LYD 3071

Presidium Diamond Mate A PDMT-A Diamond Tester | Professional Handheld Diamond Authenticity Tester | Thermal Conductivity Diamond & Simulant Testing Tool with Metal Alert & Low Battery Indicator
US Store
Presidium

Presidium Diamond Mate A PDMT-A Diamond Tester | Professional Handheld Diamond ...
4

LYD 1056

DIAMOND TESTER- ELECTRONIC GEMSTONE
US Store
Presidium

DIAMOND TESTER- ELECTRONIC GEMSTONE

LYD 2531

Presidium Gemstone Dial Gauge, Presidium PDG Gemstone Dial Gauge by Presidium
US Store
presidium

Presidium Gemstone Dial Gauge, Presidium PDG Gemstone Dial Gauge by Presidium

LYD 1452

Gem Indicator PGI Gem Tester
US Store
Presidium

Gem Indicator PGI Gem Tester
3.3

LYD 2642

PRESIDIUM ARI DIAMOND VERIFICATION SYSTEM TESTS DIAMOND LAB CVD HPHT TYPE IIa
US Store
presidium

PRESIDIUM ARI DIAMOND VERIFICATION SYSTEM TESTS DIAMOND LAB CVD HPHT TYPE IIa

LYD 9147

PMUT III Presidium Multi Tester - Signature Required on Delivery FEDEX
US Store
presidium

PMUT III Presidium Multi Tester - Signature Required on Delivery FEDEX

LYD 2399

Presidium Adamas Diamond and Moissanite Tester Authenticating Diamonds
US Store
presidium

Presidium Adamas Diamond and Moissanite Tester Authenticating Diamonds

LYD 3463

Presidium Gem Indicator PGI - Handheld Tester
US Store
Presidium

Presidium Gem Indicator PGI - Handheld Tester
4

LYD 2586

Presidium Synthetic Diamond Screener II SDS II | Portable Desktop Diamond Tester for Lab-Grown vs Natural Diamonds | Detects CVD & HPHT | Tests Melee Stones from 0.02 Carat | USB & Battery Powered
US Store
Presidium

Presidium Synthetic Diamond Screener II SDS II | Portable Desktop Diamond Tester ...
3.5

LYD 5140

Presidium Gem Indicator
US Store
Presidium

Presidium Gem Indicator
5

LYD 2586

PRESIDIUM Lab Grown Diamond Screener II SDS II Tester CVD HPHT D to J Color
US Store
presidium

PRESIDIUM Lab Grown Diamond Screener II SDS II Tester CVD HPHT D to J Color

LYD 4822

Gem Indicator PGI Gem Tester
US Store
Presidium

Gem Indicator PGI Gem Tester
3.3

LYD 2642

PRESIDIUM Gem Tester II Colored Stone and Diamond/Moissanite Tester - NEW IN BOX
US Store
presidium

PRESIDIUM Gem Tester II Colored Stone and Diamond/Moissanite Tester - NEW IN BOX
4.3

LYD 2591

PRESIDIUM Synthetic Diamond Screener II SDS II Tester CVD HPHT D to J Color
US Store
presidium

PRESIDIUM Synthetic Diamond Screener II SDS II Tester CVD HPHT D to J Color

LYD 5142

Presidium Instruments Gem Tester II with Assisted Thermal Calibration for Identifying Diamonds/Moissanites and Common Colored Gemstones
US Store
Presidium

Presidium Instruments Gem Tester II with Assisted Thermal Calibration for ...
4

LYD 2344

Presidium Diamond Tester Kit Multi Tester III PMUT III Moissanite Jewelry Testing Instrument
US Store
Presidium

Presidium Diamond Tester Kit Multi Tester III PMUT III Moissanite Jewelry Testing ...
3.4

LYD 1944

Presidium Diamond Mate A PDMT-A Diamond Tester | Professional Handheld Diamond Authenticity Tester | Thermal Conductivity Diamond & Simulant Testing Tool with Metal Alert & Low Battery Indicator
US Store
Presidium

Presidium Diamond Mate A PDMT-A Diamond Tester | Professional Handheld Diamond ...
4

LYD 1193

Presidium Gem Computer Gauge PGCG | Digital Gemstone Caliper with Carat Weight Estimation, 0.01mm Precision, 9 Cut Identification, USB PC Connectivity, Portable Jewelry Measuring Tool
US Store
Presidium

Presidium Gem Computer Gauge PGCG | Digital Gemstone Caliper with Carat Weight ...
4

LYD 2971

Presidium Electronic Gemstone Gauge PEGG | Digital Jewelry and Diamond Measuring Tool for Accurate Gemstone Dimensions and Carat Weight Estimation, Touch Button Zeroing, High-Precision Display
US Store
Presidium

Presidium Electronic Gemstone Gauge PEGG | Digital Jewelry and Diamond Measuring ...
3.5

LYD 2436

Presidium Duo Tester PDT II Diamond and Colored Gemstone Tester | Thermal Conductivity and Reflectivity Testing | Assisted Thermal Calibration ATC | Professional Jewelry Testing Tool
US Store
Presidium

Presidium Duo Tester PDT II Diamond and Colored Gemstone Tester | Thermal ...
3.1

LYD 3356

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

Presidium Gem Tester PGT II Complete Unit and Replacement Probe Pen PS2-2 for PGT ...

LYD 2932

Presidium Gemstone Dial Gauge PDG | Analog Gem Measuring Tool with Carat Conversion for Diamonds, Ring Size Scale, 023mm Precision, Portable Jewelry Measuring Instrument
US Store
Presidium

Presidium Gemstone Dial Gauge PDG | Analog Gem Measuring Tool with Carat Conversion ...
4.6

LYD 1579

Explore About Presidium & Its Products

Presidium is a brand that specializes in manufacturing diamond testing, colored gemstone testing, and measurement equipment.

Presidium was started in 1979 in Singapore.

The brand's first product was a handheld diamond tester.

In 1990, Presidium moved its headquarters to Hong Kong.

Presidium received the prestigious ISO 9001 certification in 1996.

Today, Presidium has a global presence, with distributors in more than 70 countries.

Brands Similar to Presidium

GemOro

GemOro is a brand that produces diamond and gem testing equipment.

GIA

GIA is a nonprofit organization that specializes in diamond grading and gemological research.

Sarine

Sarine is a technology company that develops and manufactures equipment for the diamond industry.

Top Trending & High Rated Products of Presidium

Diamond Tester

A handheld device that tests the authenticity of diamonds.

Diamond and Moissanite Tester

A device that differentiates between diamonds and moissanite, a diamond simulant.

Colored Gemstone Tester

A device that tests the authenticity of colored gemstones.

Common Questions Asked by Customers About Presidium & Its Products

What is a diamond tester?

A diamond tester is a device that tests whether a diamond is real or fake. It works by measuring the thermal conductivity of the stone.

How accurate are Presidium diamond testers?

Presidium diamond testers are highly accurate, with a margin of error of less than 0.02%.

What is a moissanite tester?

A moissanite tester is a device that differentiates between diamonds and moissanite, a diamond simulant. This is helpful because moissanite is often used as a cheaper alternative to diamonds.

Can a Presidium gemstone tester differentiate between different types of gemstones?

No, a Presidium gemstone tester can only test whether a stone is a natural gemstone or a simulant. It cannot differentiate between different types of gemstones.

Where can I buy Presidium diamond testers?

Presidium diamond testers are sold by a variety of jewelry supply retailers online, as well as on Amazon and eBay.