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Gemology Testers

These gemology testers are a great addition to the workbenches of any gemologist, jeweler, or hobbyist jeweler. Determine stone type and separate genuine stones from synthetics with the use of Esslinger & Co's quality gemological testers.   We carry polariscopes, refractometers, diamond testers, Chelsea filters, refractive index liquids, and more. These gemologist’s tools are handy for any gemologist, jeweler, appraiser, or business who plan on buying jewelry and needs to know whether the gemstones they’re purchasing are the real thing or not.
 

  how to identify gemstones

Displaying products 1 - 21 of 21 results
Diamond Tester
Diamond Tester CERES Czeckpoint CZ Diamond and Cubic Zirconia Testing
Your Price: $134.95
Diamond Tester CERES Czeckpoint CZ Diamond and Cubic Zirconia Testing
Ceres Diamond testers will detect all simulated diamonds except for moissanite. A must have tool for jewelers. Don't get stuck not knowing if you are dealing with a simulated or real diamond. Use when making jewelry, appraisals and jewelry repair.
Gemologis Azure diamond tester
Gemlogis AZURE Diamond Tester
Your Price: $129.95
Gemlogis AZURE Diamond Tester
Gemlogis instruments provide accurate testing with state of the art design and operation. The Azure is an ideal, affordable diamond tester. It distinguishes a diamond or moissanite from a simulant.
Gemlogis Ciel Diamond Tester
Gemlogis CIEL 3 in 1 Diamond & Moissanite Tester
Your Price: $264.95
Gemlogis CIEL 3 in 1 Diamond & Moissanite Tester
Gemlogis instruments provide accurate testing with state of the art design and operation. The Ciel is an ideal, affordable diamond tester. It distinguishes a diamond from moissanite or a simulant.
Gemlogis PISTACHIO Meter
Gemlogis PISTACHIO Gemstone Tester Meter
Your Price: $169.95
Gemlogis PISTACHIO Gemstone Tester Meter
Gemlogis instruments PISTACHIO works wirelessly with the CIEL and AZURE gemstone testers to give more specific readings on the gemstones properties. This helps further identify what type stone you are dealing with.
DimondNite Dual Tester
DiamondNite Dual Tester Jewelry tool
Your Price: $219.00
DiamondNite Dual Tester Jewelry tool
The DiamondNite tests for diamond and cubic zirconia or synthetic moissanite. The tester will beep or light up according to what you are testing. A must have tool for jewelers. Don't get stuck not knowing if you are dealing with fake or real diamonds.
GemOro ULTRAtester II
Diamond Moissanite Tester GemOro ULTRAtester II Jewelry Tool
Retail Price: $299.00
Your Price: $224.95
Diamond Moissanite Tester GemOro ULTRAtester II Jewelry Tool
GemOro ULTRAtester II, simulated Diamond & Moissanite Tester with White Sapphire indication. A must have tool for jewelers. Don't get stuck not knowing if you are dealing with a simulated or real diamond. Use when making jewelry, appraisals and jewelry.
Moissanite tester
GemOro PRO-M II Tester Moissanite Electronic Tester
Retail Price: $169.00
Your Price: $119.00
GemOro PRO-M II Tester Moissanite Electronic Tester
Identifies, Detects and Separates Moissanite from Diamond and comes with an unprecedented lifetime limited warranty.
GemOro CZ Master Set
GemOro CZ Master Set Pro 0.50 Carat 10 Stone Diamond Color Grading Kit w/ Case and Display Rings
Your Price: $299.00
GemOro CZ Master Set Pro 0.50 Carat 10 Stone Diamond Color Grading Kit w/ Case and Display Rings
Easily color grade diamonds with this .50 carat, 10 stone CZ set. Each stone has been graded using the GIA grading standards and scale. Show your customers how different colors of stones will look.
GemOro CZ Master Set
GemOro CZ Master Diamond Color Grading Set 1 Carat 10 Stone Kit Laser Inscribed
Your Price: $389.00
GemOro CZ Master Diamond Color Grading Set 1 Carat 10 Stone Kit Laser Inscribed
Easily color grade diamonds with this 1 carat, 10 stone CZ set. Each stone has been graded using the GIA grading standards and scale. Show your customers how different colors of stones will look.
Ultraviolet Curing Lamp UV Glue and Epoxy Adhesive Drying Light
Your Price: $38.95
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Ultraviolet Curing Lamp UV Glue and Epoxy Adhesive Drying Light
This ultraviolet lamp is for curing UV glues, epoxies, and adhesives. The UV light will cure the glue in no time. It is safe to use on all jewelry and watch materials. Great for gluing and replacing watch crystals.
Chelsea color filter
Chelsea Filter Gemstone Color Inspection & Identification Tool
Your Price: $44.95
Chelsea Filter Gemstone Color Inspection & Identification Tool
Increase your expertise in gemstone identification with Chelsea filters, perfect for spotting dyes within the stone and for distinguishing between natural and man-made gems.
Refractive Index Fluid
GemPro Refractive Index Liquid 10 Grams
Your Price: $39.95
GemPro Refractive Index Liquid 10 Grams
Refractive Index Fluid also referred to as RI fluid, is commonly used along with a refractometer when performing gemological test in order to help identify stones by their refractive index reading.
Polariscope
Polariscope Gemological Instruments
Your Price: $225.00
Polariscope Gemological Instruments
Our polariscope is made for professional gemologist and will help you identify gemstones and birefringence in gems. Everything you need in gemological study is here.
Calcite Dichroscope
GemOro Calcite Dichroscope Gemstone Inspection & Identification Tool
Your Price: $95.00
GemOro Calcite Dichroscope Gemstone Inspection & Identification Tool
Find information on GemOro dichroscope that you can hold in hand and use this calcite made gemological tool to identify gemstones.
Portable gemological kit
Port A Pac Mini Lab Portable Gemological Kit
Your Price: $849.00
Port A Pac Mini Lab Portable Gemological Kit
This portable gem testing kit features professional instruments needed for gemology and gem identification. Our gemologist tool kit includes a refractometer, polariscope, color filter, and more all neatly packaged into durable carrying case.
Portable Polariscope
Portable Diamond View Darkfield Light and Polariscope
Your Price: $39.95
Portable Diamond View Darkfield Light and Polariscope
This darkfield viewer with Polariscope is a great way to get a close-up look at diamonds and gemstones. Will help to identify fillings and flaws in stones. Includes a mini maglite for clear viewing.
GemOro Diamond Tester
GemOro PRO-D II Tester Electronic Diamond Tester 2
Retail Price: $149.00
Your Price: $119.95
GemOro PRO-D II Tester Electronic Diamond Tester 2
Identifies, Detects and Separates Diamonds from diamond simulants and comes with an unprecedented lifetime limited warranty. Dont be fooled by diamond imitations, know for sure the value of your diamonds.
Darkfield light
Portable Diamond View Darkfield Light
Your Price: $39.95
Portable Diamond View Darkfield Light
This darkfield viewer is a great way to get a close-up look at diamonds and gemstones. Will help to identify fillings and flaws in stones. Includes a mini maglite for clear viewing.
Conoscope
Conoscope Rod Optic Figure Sphere
Your Price: $9.95
Conoscope Rod Optic Figure Sphere
A conoscope rod is also referred to as an optic figure sphere or an interference sphere. It’s used in gem identification to help determine if a double refractive stone’s optic character is biaxial or uniaxial.
Prism Spectroscope
Prism Spectroscope with Adjustable Draw Tube
Your Price: $114.95
Prism Spectroscope with Adjustable Draw Tube
This handheld prism spectroscope is a gemological instrument that allows you to view a gemstones distinctive way it absorbs light, also referred to as its absorption spectrum.
GemOro UltraPro charger
Charging Stand-GemOro UltraDock Charging Stand
Your Price: $24.95
Charging Stand-GemOro UltraDock Charging Stand
The GemOro UltraPro Charging Stand may be conveniently placed on a showroom counter, showcase or desk with the Tester inserted, so that it is within easy reach.


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