Gem & Diamond Testers

One Stop Shopping For All Your Gem & Diamond Testing Needs!




Gemoro Ultra Tester


Gemoro Ultra Tester
Only $199.95

Gemoro Ultra Tester

Identifies, detects and separates diamond from CZ and moissanite.

  • White sapphire indication plus exclusive metal warning beep tone indicator.
  • Bright white LED illuminator light. LED bar graph and beep tone indication.
  • ULTRAgrip™ rubberized paint finish.
  • Ergonomic shape with angled probe tip and finger grip for ease of use.
  • Patented state-of-the-art ULTRA digital electronics.
  • AAA alkaline battery powered with battery saving auto sleep-mode function.
  • Lifetime limited warranty.

Gemoro Ultra Diamond Tester Operating Instructions (HTML)



Gemoro Ultra Tester

Gemoro Pro-D
Only $117.95

Gemoro Pro-D

Identifies, detects and separates diamond or moissanite from CZ. 

  • White Sapphire indication Bright white LED illuminator LED bar graph and beep tone indication
  • Corresponding color coded glowing probe tip cone indication
  • ULTRAgrip™ rubberized paint finish Ergonomic shape with angled probe tip and finger grip
  • Rechargeable battery powered.
  • Alkaline battery powered capability

Gemoro Pro-D Diamond Tester Operator's Manual (HTML)

 



Gemoro Pro-M

Gemoro Pro-M
Only $117.95

Gemoro Pro-M

Identifies, detects and separates moissanite from diamond.

  • Bright white LED illuminator LED bar graph and beep tone indication
  • Corresponding color coded glowing probe tip cone indication
  • ULTRAgrip™ rubberized paint finish Ergonomic shape with angled probe tip and finger grip
  • Rechargeable battery powered.
  • Alkaline battery powered capability

Gemoro Pro-M Diamond Tester Operator's Manual (HTML)



Diamondnite DN1 Pro Multi Tester by Oris Nelson

Diamondnite DN1 Pro Multi Tester by Oris Nelson
Only $219.00

Diamondnite DN1 Pro Multi Tester by Oris Nelson

  • Rechargeable tester offering convenient testing with a standup docking station.
  • No need for an AC adapter or changing batteries
  • Reset alarm when replacement to base is required
  • Highly accurate testing of diamonds, moissanite and cubic zirconium
  • Metal detection
  • No recovery time between tests
  • Made in the USA
  • One year factory warranty

Diamondnite DN1 Pro Multi Tester Operator's Manual (HTML)



Diamondnite Dual Tester by Oris Nelson

Diamondnite Dual Tester by Oris Nelson
Only $189.95

Diamondnite Dual Tester by Oris Nelson

  • ONE step testing to distinguish diamond, simulant, and moissanite
  • Visual and audio indicators
  • Fast warm up and recovery time
  • Completely portable, operates on one 9 Volt battery (included)
  • Auto shut-off after three minutes to save the battery
  • Two year warranty
  • Made in the USA

Click for Operating Instructions

 



Moissanite Terminator II by Oris Nelson

Moissanite Terminator II by Oris Nelson
Only $89.95

 Moissanite Terminator II by Oris Nelson

  • Simply touch the stone and instantly identify moissanite
  • Visual and audio indicators
  • Completely portable, operates on one 9 Volt battery (included)
  • Low battery warning
  • Two year warranty
  • Made in the USA

O.N.E. Moissanite Terminator II Owner's Manual (HTML)



ONE Diamond Detective by Oris Nelson

ONE Diamond Detective by Oris Nelson
Only $89.95

ONE Diamond Detective by Oris Nelson

  • Distinguishes diamonds from CZ's & simulants
  • Fast warm up timeTests small stones others fail to test
  • Completely portable, operates on one 9 Volt battery (included)
  • Two year warranty
  • Made in the USA

Diamond Detective Owner's Manual (HTML)

Diamond Detective User Manual (HTML)



Presidium Gem Tester PGT

Presidium Gem Tester PGT
Only $189.00

Presidium Gem Tester PGT

The Presidium Gem Tester is a quick and easy way to separate diamonds from simulants (except moissanite). In addition, it identifies the most popular gemstones from one another. This tester works on the principal that different gemstones conduct heat at different rates.

  • Two test disks for calibration, to insure accurate results
  • An AC adapter is supplied, or you have the option of using two AA batteries (not included)
  • Protective zippered pouch
  • Hard plastic outer case
  • One-year manufacturer's warranty

Presidium Gem Tester Manual (PDF)

Presidium Gem Tester Operating Instructions (HTML)



Presidium DuoTester PDT-S7

Presidium DuoTester PDT-S7
Only $329.95

Presidium DuoTester PDT-S7

The Presidium DuoTester is the only tool on the market that provides the user with two proven tests for diamonds and the ability to differentiate between similarly colored gemstones. There are built in diamond and simulant test discs for easy calibration of the thermal tester.

  • An AC adapter is supplied, or you have the option of using five AA batteries (not included)
  • One-year manufacturer's warranty



Presidium Multi Tester PMUT

Presidium Multi Tester PMUT Only $239.00

Presidium Multi Tester PMUT

This presidium Multi/Dual Tester utilizes a patented combination of thermal and Electrical Conductivity to distinquish reliably between diamond, simulants and Moissanite with just one test. The measuring probes together with the electronics circuitries are designed to pick up and segregate data collected from the stone via a customized micro-controller. Quick test results are displayed.

  • Surface Mount Technology Retractable
  • Tip to ensure the accuracy and consistent pressure between the measuring probe and gemstone.
  • No waiting time between tests. Clear LED display for Diamond, Moissanite, Simulants and Metal.
  • Built-in metal detector Low battery indicator
  • Automatic power down AC Adapter (120V or 230V) additional AAA batteries (Not included)
  • 1 year factory warranty

Presidium Multi/Dual Tester Manual (PDF)

Presidium Multi/Dual Tester Manual (HTML)

 

Optional AC Adapter for Presidium Multi/Dual Tester $14.95

 



Presidium Reflectivity Meter


Presidium Reflectivity Meter
Only $195.00

Presidium Reflectivity Meter

The Presidium Reflectivity Meter accurately measures the quality and quantity of light reflected through the stone, giving you and instant reading of its reflective index. The PRM can therefore identify the nature of every uncoated stone.

  • Optional AC adapter
  • One-year manufacturer's warranty

Optional AC Adapter for Presidium Reflectivity Meter $14.95



Ceres Dual XL


Ceres Dual XL
Only $189.95

Ceres Dual XL

Simultaneous Diamond and Moissanite Tester.

  • One-touch immediate simultaneous testing
  • Audible beep and visual lights indicating and separating diamond and moissanite
  • Exclusive metal warning buzzer
  • Rechargeable Ni-MH battery powered, adapter/charger includedLimited lifetime factory warranty
  • Made in USA

Ceres Dual XL - Diamond Tester User Manual (PDF)

Ceres Dual XL - Diamond Tester User Manual (HTML)

 



Ceres Czeckpoint Diamond Tester


Ceres Czeckpoint Diamond Tester
Only $97.00

Ceres Czeckpoint Diamond Tester

  • Separates simulants from real diamonds
  • A tone & light indicate a genuine diamond
  • Automatic shut off feature
  • Metal warning buzzer
  • Rechargeable ni-cad battery powered, adapter/charger included
  • Storage caseLifetime limited factory warranty
  • Made in USA

Ceres Czeckpoint Diamond Tester User Manual (PDF)

Ceres Czeckpoint Diamond Tester User Manual (HTML)

 



Tri-Electronics Diamond Pro


Tri-Electronics Diamond Pro
Only $189.95

Tri-Electronics Diamond Pro

  • Identifies all diamonds, moissanite, diamond simulants and metal
  • Immediate recovery between tests
  • Distinctive audio and visual signals
  • Equipped with three AAA alkaline batteries
  • Optional 4.5 Volt AC adapter available
  • Made in the USA

Tri-Electronics Diamond Pro Operating Instructions (HTML)

Optional AC Adapter Tri-Electronics Diamond/Dual Testers $14.97



Tri-Electronics Diamond Jet 100


Tri-Electronics Diamond Jet 100
Only $97.00

Tri-Electronics Diamond Jet 100

  • Instantly authenticates diamonds from simulantsIndicates if metal is accidentally touched
  • Distinctive audible and visual signals
  • Fast warm-up and immediate recovery between tests
  • Equipped with three AAA alkaline batteries
  • Optional AC adapter available
  • Two year warranty
  • Made in the USA

Tri-Electronics Diamond Jet 100 Operators Manual (PDF)

Tri-Electronics Diamond Jet 100 Operators Manual (HTML)

 

Optional AC Adapter Tri-Electronics Diamond/Dual Testers $14.97

 



Gem Refractometer With Flashlight

Gem Refractometer With Flashlight
Only $99.99

Gem Refractometer With Flashlight

Gem Refractometer's primary use is to measure the angle at which light traveling through the stone is bent or refracted. The Gem Refractometer can also determine whether a stone is singly or doubly refractive. Flashlight included.



Calcite-Dichroscope

Calcite Dichroscope
Only $36.00

Calcite Dichroscope

The Calcite Dichroscope easily distinguishes garnet from ruby by determining if the stone is singly or doubly refractive. The transparent calcite prism lets you view a gem's pleochroic colors simultaneously in sharp contrast.




Gem-A Chelsea Filter

Gem-A Chelsea Filter
Only $37.95

Gem-A Chelsea Filter

This Chelsea Filter is helpful in identifying certain red, blue and green stones. Used to determine whether a stone is natural or synthetic. It can also be used for detecting synthetis blue Spinel and other dyes in certain gems.



JO-DI Guage

JO-DI Guage
Only $29.95

 JO-DI Guage

Reads any shape stone right in the setting! This gauge estimates the weight of alll popular shapes of diamonds without removing the stone from the mounting. This is the only millimeter caliper gauge that reads round, emerald, pearl and marquise shaped diamonds.

  • Made of anodized black aluminum with clear numbers.
  • Includes a conversion book.


Diamond and Stone Estimator Guage

Diamond and Stone Estimator Guage
Only $4.95

 Diamond and Stone Estimator Guage

Perfect for determining the size of loose or mounted stones. Simply lay the plastic gauge down, place the stone in question on the appropriate outline, and you will be able to approximate the weight.



Diamond Fan Gauge

Diamond Fan Gauge
Only $6.95

 Diamond Fan Gauge

Pocket size Diamond Fan Guage

  • Measures 3 1/2" closed
  • Made from Stainless Steel 7 arms with sizes ranging from 1pt to 6ctw
  • 36 sizes of round, emerald, square, marquis, pear and oval


K and B Diamond/Stone Guage

K and B Diamond/Stone Guage
Only $5.95

K and B Diamond/Stone Guage

Pocket gauge used to measure loose stones and settings ranging from 3 points to 4 carats. Reverse side is a birth stone chart.



Hearts and Arrows Diamond Scope

Hearts and Arrows Diamond Scope
Only $19.95

 Hearts and Arrows Diamond Scope

This scope allows you to view the cut of a diamond. The finest cut round diamond, with their perfect symmetry, displays a unique symmetry pattern. Table up you will see 8 "Arrows" and table down you will see 8 "Hearts". May be used on loose or mounted diamonds.

  • Includes a loose diamond-viewing base (color may vary).


Portable Diamond Grading Light

Portable Diamond Grading Light
Only $75.95

Portable Diamond Grading Light

Lightweight, compact, and small enough to fit in your briefcase, this light has enough power for the professional to grade diamonds and colored stones. It features a verilux and UV long wave light, has a deep grading cavity and a 90% cool white background. Light comes with its own case, diamond cloth, and bulbs. Batteries sold separately.


Click Here For Complete Instructions on How To Test A Diamond


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