Gem Tools
Customer favorite gemological tools are back in stock! Watch the video to see how you can become the owner of the same professional equipment that JTV buyers use everyday. Shop now while supplies last.

Top-Rated Tools

Gemstone Kits

Gemstones, Gemological Tools

Showing 1-10 of 10 items

Balance Scale 600 0.01g

$129.99

Special Offer!

2 x $64.99

Balance Scale 6000 0.1g

$129.99

Special Offer!

2 x $64.99

Gemoro Sure Gauge(R). Our Traditional Style Digital Gauge Is Battery Operated, Provides Extra Precision And Includes A Gem Weight Estimating Book And Carrying Case. Used For Estimating The Weight Of Any Shape Stone (Mounted Or Loose). 0.01mm Accuracy.<br/><br/>Includes (1) LR44 battery, high setting attachment, and Gemstone Weigh Estimating Book.

Gemoro Sure Gauge(R) Digital Gemstone Gauge

$135.00

Special Offer!

2 x $67.50

Presidium Dial Gauge Measures From 0.0 To 23.0mm In 0.1mm Divisions. The Pdg Features An Easy-to-read Millimeter And Carat Scale, And Is Only Dial Gauge In The Industry That Combines Dual Measurements For Gemstones In Millimeters With Corresponding Carat Conversion For Round Brilliant-cut Gemstones. Pdg Also Contains An Inner Scale Display For Us Ring Size Measurements.<br/><br/>Presidium Dial Gauge measures from 0.0 to 23.0mm in 0.1mm divisions. The PDG features an easy-to-read millimeter and carat scale, and is only dial gauge in the industry that combines dual measurements for gemstones in millimeters with corresponding carat conversion for round brilliant-cut gemstones. PDG also contains an inner scale display for US ring size measurements. The PDG is manufactured to the highest quality and features a patented anvil with a non-metallic lubrication-free rack and pinion technology that resist wear and tear and maintain its accuracy. Features include instantly converting millimeter readings to carats for round brilliant-cut gemstones. Measures from 0.00 to 23.00mm. 0.02mm instrumental error, with simple zero realignment. Analog gauge with mm/ct/ring size display. Patented anvil with smooth slider mechanism. Portable and lightweight with compact protective case included. Attachment for high setting jewelry provided. Presidium Gemstone Weight Estimation Table provided. Dimensions and Weight: Length: 97mm (3.82 inches) Width: 61mm (2.4 inches) Height: 16mm (0.63 inches) Weight: 100g Package contents include Presidium Dial Gauge, high setting jewelry attachment, presidium Gemstone Weight Estimation Table, detailed instructions, warranty card and plastic carrying case.

Presidium Dial Gauge 0-23mm

$149.95

Special Offer!

2 x $74.97

$The Gemvue Polariscope Is The Fastest Way To Test The Optical Properties Of Gemstones. Quickly Determine Whether Gemstone And Minerals Are Singly Or Doubly Refractive. Resolve Optic Character In Doubly Refractive Gems And Detect Pleochroism. Opening In The Front Can Double As A Light Source. Operates On 120v. Includes Large Interference Sphere And Dust Cover. The GemVue Tabletop polariscope is one of a series of tools that assist in gemstone and mineral identification. This tool is used in conjunction with other gem tools to narrow the range of possibilities when identifying stones and minerals. The primary purpose of this tool is to determine the optic character. Gemstones and minerals exhibit different structural forms. Some may be singly refractive, doubly refractive, or an aggregate of numerous microscopically small crystals. Each of these structures responds differently when viewed through a polariscope. This unit also has a built-in light and a slit in the base of the unit that allows it to be used as a light source for various refractometers and other gemological instruments. This is a valuable tool for any gem enthusiast. Comes with a protective cover to prevent dust build up and a large interference sphere. The tool operates on a standard 120V outlet. No batteries required.$

Gemvue Tabletop Polariscope

$149.99

Special Offer!

2 x $74.99

Balance Scale 1000 0.01g

$149.99

Special Offer!

2 x $74.99

Advanced Digital Control System (Adcs). Digital Control Heater. Digital Control Timer. Stainless Steel 2.6 Quart Size Tank. Dura-last Transducers. Removable Full Size Stainless Steel Basket. Evaporation Resistant Tight-close Cover. 1 Year Limited Warranty.<br/><br/>Our attractive, European designed all black ultrasonic, with its extra capacity of 2.6 quarts, is perfect for most retail jewelers and with its low cost, also makes a great back-up ultrasonic.

Gemoro 2.6 Quart Heated Ultrasonic Cleaner With Digital Timer

$165.00

Special Offer!

3 x $55.00

$New Portable Gemvue Refractometer With External Flashlight. 15mm Eyepiece And Polarizing Filter. Black Matte Finish. Aaa Batteries (Not Included) Are Used With The Flashlgiht.; This Liquid Creates Afilm Beween The Hemicylinder Of The Refractometer And The Gemstone, Allowing An Accurate Reading. 2ml Bottle With Ri Of 1.81. Use Only In Well Ventilated Conditions. Wear Eye Protection And Protective Clothing. Harmful If Swallowed, Inhaled,Or Absorbed. This Item Cannot Be Shipped To A Post Office Box And Cannot Be Returned. Any Unused Portion Must Be Disposed In Accordance With Local, State And Fededral Regulations Governing Chemical Substances.; High-precision Mini Pocket Scale 100 0.01g. Auto Calibration Function. Auto Zero And Auto Off (After 120 Seconds Of Inactivity). Bright-blue Backlit Lcd Display. Low Battery And Overload Indication. Flip-up Hard Plastic Cover. Weighing Modes: G/Tl/Dwt/Ct. Takes Two Aaa Batteries (Included). Product Dimensions: 93x54x20mm. Black. N.W. 72.5g New Portable GemVue Refractometer with external flashlight. 15mm eyepiece and polarizing filter. Black matte finish. AAA batteries (not included) are used with the flashlgiht.; This liquid creates afilm beween the hemicylinder of the refractometer and the gemstone, allowing an accurate reading. 2ml bottle with RI of 1.81. Use only in well ventilated conditions. Wear eye protection and protective clothing. Harmful if swallowed, inhaled,or absorbed. This item cannot be shipped to a post office box and cannot be returned. Any unused portion must be disposed in accordance with local, state and fededral regulations governing chemical substances.; High-Precision mini pocket scale 100 0.01G. Auto calibration function. Auto zero and auto off (after 120 seconds of inactivity). Bright-blue backlit LCD display. Low battery and overload indication. Flip-up hard plastic cover. Weighing modes: g/tl/dwt/ct. Takes two AAA batteries (included). Product dimensions: 93x54x20mm. Black. N.W. 72.5G$

Gemvue Refractometer With Flashlight And Protective Case; Ri Fluid; Mini Pocket Scale

$197.44

Special Offer!

$ New Portable GemVue Refractometer with external flashlight. 15mm eyepiece and polarizing filter. Black matte finish. Comes in a new slim aluminum case for protection while storing or transporting. Measures 4.5" long, 1.25" wide, and 2.25" tall. AAA batteries (not included) are used with the flashlgiht.; This liquid creates afilm beween the hemicylinder of the refractometer and the gemstone, allowing an accurate reading. 2ml bottle with RI of 1.81. Use only in well ventilated conditions. Wear eye protection and protective clothing. Harmful if swallowed, inhaled,or absorbed. This item cannot be shipped to a post office box and cannot be returned. Any unused portion must be disposed in accordance with local, state and fededral regulations governing chemical substances.; Tools Of The Trade: GemVue Refractometer with flashlight and protective case DVD.$

Gemvue Refractometer With Flashlight And Protective Case; Ri Liquid; Dvd

$198.66

Special Offer!

$Exclusive To Jtv! The Gemvue Portable Polariscope Is The Fastest Way To Test The Optical Properties Of Gemstones. Quickly Determine Whether Gemstone And Minerals Are Singly Or Doubly Refractive. Resolve Optic Character In Doubly Refractive Gems And Detect Pleochroism. Built In Sodium Light Can Power The Gemvue Refractometer (Gv85). Operates On Standard 120v Outlet, Usb Cord, And Two Cr2450 Batteries. Includes Large Interference Sphere And Leather Carrying Case. Exclusive to JTV! The GemVue compact polariscope is one of a series of tools that assist in gemstone and mineral identification. This tool is used in conjunction with other gem tools to narrow the range of possibilities when identifying stones and minerals. The primary purpose of this tool is to determine the optic character. Gemstones and minerals exhibit different structural forms. Some may be singly refractive, doubly refractive, or an aggregate of numerous microscopically small crystals. Each of these structures responds differently when viewed through a polariscope. This unit includes three different lighting methods which include daylight equivalent, LED, and also has a built-in sodium light that can be used as the light source to the GemVue Refractometer (GV85). Comes with a leather case and a large interference sphere. The tool operates on three different power options, a standard 120V outlet, USB power cord for you computer (both Mac and PC), or 2 CR2450 batteries. This is a valuable tool for any gem enthusiast.$

Gemvue Portable Polariscope

$199.99

Special Offer!

3 x $66.66

Showing 1-10 of 10 items

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