Celebrate Presidium: Craftsmanship Meets Innovation

Stay ahead of trends with the latest Presidium launches and exclusive releases.

Presidium - Pocket Size Diamond Mate Tester

5.0

358 ƒ

PresidiumDuo Tester PDT Diamond Gemstone Tester

3.4

1,169 ƒ

Eurotool Presidium Multi Tester for Diamond Moissanite Simulants and Metal

3.7

994 ƒ

Presidium Gemstone Dial Gauge (PDG)

4.6

574 ƒ

Presidium SDS Synthetic Diamond Screener

3.6

2,009 ƒ

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

822 ƒ

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

3.9

1,409 ƒ

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

4.3

794 ƒ

Gem Refractometer, RHG181 1.30-1.81 Professional Portable Gemstone Ldentification Tester for Jewelry, Presidium Gem Tester, THigh Accuracy with 3ml Reflective Index Fluid

229 ƒ

PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER

4.2

470 ƒ

Original Presidium Gem Diamonds/gemstones Computer Gauge New (PGCG)

4.7

1,133 ƒ

Presidium PDG Dial Gemstone Gauge, 0.00 to 23.00mm, Patented Anvil, Nonmetallic Lubrication-free Rack and Pinion Technology, Direct Millimeter to Carat Conversion, Portable

4.8

884 ƒ

Presidium Electronic Gemstone Gauge by EuroTool

3.9

1,369 ƒ

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

4.3

1,529 ƒ

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

4.1

794 ƒ

Presidium Gem Tester II PGT

4.1

769 ƒ

Presidium Multi Tester Iii

3.7

809 ƒ

PRESIDIUM DIAMONDMATE-C ELECTRONIC DIAMOND TESTER

4.3

402 ƒ

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

3.6

629 ƒ

Presidium - Pocket Size Multi Tester III

839 ƒ

PresidiumGem Indicator PGI Colored Gemstone and Diamond Tester

3.9

1,459 ƒ

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

3.9

909 ƒ

PresidiumElectronic Refractive Index Meter II

3.3

844 ƒ

Presidium SDS Synthetic Diamond Screener

3.3

1,749 ƒ

BusoTh , RHG181 1.30-1.81 Professional Portable Ldentification Tester for Jewelry, Presidium Tester, THigh Accuracy with 3ml Reflective Index Fluid

163 ƒ

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

529 ƒ

Original Presidium Electronic Diamond/Gemstone Gauge PEGG

3.2

849 ƒ

Presidium Multi Tester III AC Adapter 110v

4.3

53 ƒ

Presidium Sam Optional AC Adapter

5

132 ƒ

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

2.9

1,169 ƒ

Presidium Digital GEM Refractometer (PRIM II) - Measures RI Value for Diamond & Moissanite

2.9

884 ƒ

Gem Indicator (PGI) Gem Tester

3.4

909 ƒ

Grobet 56.926 SmartPro Gem-Eye I LED Indicator Gem Tester

2.5

674 ƒ

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

3.3

1,169 ƒ

PRESIDIUM ELECTRONIC GEMSTONE DIAMOND GEM GAUGE PEGG

4.4

939 ƒ

PDMT-A Diamond Mate Electronic Tester A

4.0

355 ƒ

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

4.2

56 ƒ

Presidium Electronic Gemstone Gauge | GAU-198.10

3.9

849 ƒ

Presidium PGCG Gem Computer Gauge

1,539 ƒ

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

3.7

674 ƒ

CarsonMicroPen LED Lighted 24x-53x Magnification Microscope Pen (MP-300), Black

29 ƒ

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

3.9

879 ƒ

UV Flashlight 2 Pack 395nm Ultraviolet, Black Light Mini Penlight Portable and Compact for Pet Urine and Stain Detection, Hotel Cleaning, ID Check, Handheld Detector

4.5

35 ƒ

Presidium Gem Computer Gauge

3.5

944 ƒ

Gem Portable Refractometer, RHG181 1.30-1.81 Presidium Gemstone ldentification Tester for Jewelry, Gold ＆ Silver and Diamond, Lab Refractometers

3.8

271 ƒ

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

4.1

56 ƒ

Presidium Gem Indicator (PGI) - Handheld Tester

3.6

717 ƒ

Elikliv Microscope, LCD Digital Coin Microscope 1000x, Coin Magnifier with 8 Adjustable LED Lights, PC View Compatible with Windows/MacBook, EDM4, 4.3 Inch

4.4

126 ƒ

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

979 ƒ

letmexcNew Moissanite Loose Stone Lab Diamond Gemstone VVS1 Positive Passed Presidium Multi III Diamond Tester , without GRA Report

312 ƒ

Praesidium Adamas Diamond Tester with Replaceable Tip

3.4

1,458 ƒ

DIAMOND TESTER- DIAL GAUGE

5.0

559 ƒ

Diamond Tester Pen, Jewelry Diamond Tester with 60X Mini LED Magnifying&40X Full Metal Illuminated Jewelry Loop Magnifier, Thermal Conductivity Meter, Diamond Selector for Novice and Expert

4.3

71 ƒ

CAMALENPresidium Luxuria Genuine Leather Wrapped Snap Case for iPhone 5/5S - Retail Packaging - Black Floater

21 ƒ

Medline Industries DYND80327 Plastic Emesis Basins, 500 ml, Graphite (Pack of 250)

339 ƒ

PresidiumReplacement Probe for Gem & Duo rs (PGT & PDT Line)

4.4

239 ƒ

Magnifying Glasses with LED Light, LXIANGN Jeweler Loupe Watch Repair Magnifier with 8 Interchangeable Lens-2.5X 4X 6X 8X 10x 15x 20x 25x for Close Work

3.8

59 ƒ

Presidium Dial Gauge | GAU-196.00

5.0

529 ƒ

Presidium Duo Tester PDT Diamond Gemstone Tester

3.5

1,329 ƒ

30X Loupe Magnifier,Adjustable Focal Length Magnifier,Foldable Jewelry Magnifier Glass for Textile Optical,Embroidery,Circuit Board,Coins,etc.

4.1

50 ƒ

Wireless Digital Microscope 4K HD Wi-Fi Microscope Camera Digital Magnifier Compatible for iPhone, Android Phones and PC (Black)

4.2

126 ƒ

Presidium Replacement Probe Pen PS2-2 (PGT II) Gem Tester II

280 ƒ

DIAMOND TESTER- ELECTRONIC GEMSTONE

904 ƒ

PresidiumSAM by Diamond Tester and Identify a Wider Range of Moissanites

796 ƒ

Presidium Dial Gauge

4.7

529 ƒ

Presidium SDS Synthetic Diamond Screener

3.6

2,079 ƒ

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

4.0

56 ƒ

PresidiumInstruments Gem Indicator (PGI) Handheld r for Identifying Diamonds and Common Colored Gemstones

3.4

822 ƒ

Presidium Electronic Refractive Index Meter II

3.5

FREE

Presidium Digital Gauge Measures Diamonds Gemstones .01mm Accuracy

1,709 ƒ

Presidium Gem Computer Gauge

3.6

1,119 ƒ

GemOro Testerossa Diamond Tester | Test Diamond, Moissanite, White Sapphire Gemstone | Precision Tool with Expert Professional Reading & Accuracy

3.5

734 ƒ

GemOro Auracle Analyzer Gold Tester | Accurate Compact Portable Electronic High Karat Gold & Platinum Tester | Precision Jewelry Tool with Expert Professional Reading & Accuracy

3.6

879 ƒ

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

332 ƒ

Presidium: Webster's Timeline History, 1513 - 2007

114 ƒ

Tarra Home Universal Outdoor Patio 11' Patio Umbrella Cover, 42" x 76"H, Presidium Tan

121 ƒ

Gem Refractometer, RHG181 1.30-1.81 Presidium Gem Ldentification Tester Jewelry Refractometer with Portable Lab Suitcase for Gemologists Travel

258 ƒ

Jeweler Diamond-Tester Accuracy Portable Gemstone-Jewelry Selector LED Detector Tool Fit For-Diamond Diamond-tester Tester Pen Set Combo Professional Presidium- For Jewelry

42 ƒ

JEWEDECO 2pcs Magnet Keychain Tester for Tester Magnet Keychain Magnet Presidium Gem Tester Magnet Key Chain Gold Tester Pocket Magnet Jewelry Tester Car Key Holder Magnets Silver Iron

46 ƒ

Tarra Home Universal Outdoor Patio Lounge Chaise, 58" W x 78" D x 34" H, Presidium Gray

174 ƒ

OBJECTING Plexiglass windshield protector transparent plexiglass 58x50cm - (hole 48X18H) Safety Presidium.

97 ƒ

GALPADA 2pcs Magnet Keychain And Silver Tester Pocket Magnet Gold Tester Silver Testing Kit Tester for Jewelry Tester Magnet Presidium Gem Tester Magnet Key Chain Keychain Magnet Iron

55 ƒ

PresidiumGem Computer Gauge

3.6

1,539 ƒ

EXCEART2pcs Silver Tester Presidium Gem Tester Gold Tester for Jewelry Car Key Holder Jewelry Tester Backpack Key Chain Silver Testing Kit Key Fob for Jewlery Metal Household Magnet Iron

23 ƒ

Coverking Universal Outdoor Patio Round Table Cover, 24"D x 18"H, Presidium Tan

298 ƒ

DiamondsSelector For Jewelry Moissan DiaTester Tool LED Electronic Gemstones Pen Testers Professional Tools JadesStone Diamond-tester Tester Pen Set Combo Professional Presidium- For Jewelry

48 ƒ

Tarra Home Universal Outdoor Patio Cantilevered Umbrella Cover, 75" x 120"H, Presidium Gray

123 ƒ

CATIEBYE 2pcs Magnet Keychain Tester for Car Key Holder Magnet Key Chain Jewelry Tester Magnet Pocket Magnet Keychain Magnet Presidium Gem Tester Key Fob Convenient Gold Tester Iron Silver

21 ƒ

Gem Indicator (PGI) Gem Tester

3.3

822 ƒ

Adam Undercover, The Presidium Files (Volume 1) by Aaron Foster (2015-01-08)

113 ƒ

IWOWHERO 2pcs Magnet Keychain Gold Tester for Jewelry Pocket Magnet Jewelry Tester Car Key Holder Presidium Gem Tester Keychain Magnet Tester Magnet Magnets Key Fob Key Magnet Silver Iron

25 ƒ

DiamondsSelector for Jewelry Moissan DiaTester Tool LED Electronic Gemstones Pen Testers Professional Tools JadesStone Diamond-Tester Tester Pen Set Combo Professional Presidium- for Jewelry

47 ƒ

Handheld Diamond-Tester Accuracy Diamond-Test Pen Professional Jeweler Watcher-Tool Tester Tool LED Tool Diamond-tester Tester Pen Set Combo Professional Presidium- For Jewelry

40 ƒ

CAMALENPresidium Luxuria Genuine Leather Wrapped Snap Case for iPhone 5/5S - Retail Packaging - Black Floater

27 ƒ

Gem Portable Refractometer, RHG181 1.30-1.81 Presidium Gemstone ldentification Tester for Jewelry, Gold ＆ Silver and Diamond, Lab Refractometers

3.8

328 ƒ

Gemstone Refractometer, Professional Gem Refractive Index Tester for Jewelry, RHG181 1.30-1.81 Presidium Gemstone Ldentification,Lab Refractometers, Equipped with An Electric Torch

423 ƒ

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

196 ƒ

COSMEVIVI 2pcs Magnet Keychain Gold and Silver Tester Keychain Magnet Presidium Gem Tester Jewelry Tester Pocket Magnet Gold Tester for Jewelry Magnet Key Chain Car Key Holder Magnets Iron

50 ƒ

Handheld Diamond-Tester Accuracy Diamond-Test Pen Professional Jeweler Watcher-Tool Tester Tool LED Tool Diamond-Tester Tester Pen Set Combo Professional Presidium- for Jewelry

62 ƒ