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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.

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gemstone kits

Gemstones, Gemological Tools, Gauge

Showing 1-7 of 7 items

$All the features of the best German gauges at a fraction of the cost. This durable, versatile brass gauge measures up to 80 millimeters one-tenth millimeter increments. Also measures in inches. Features notched jaws for inside or outside measurements. Includes vernier scale for complete accuracy. Compact design; fits in a shirt pocket. Comes with handy keychain clip.$

avg. rating 4.34

80 Mm Brass Gauge

$5.99

This convenient dial gauge measures thickness in 1/10th mm increments, up to 20mm total thickness. Easy-to-read analog scale. Great portable tool for matching stones. Comes with protective case. Fits in a shirt pocket.

avg. rating 4.00

20 Mm Thickness Dial Gauge

$17.99

150 Mm (6") Manual Stainless Steel Gauge With Metric And Imperial Reading. This Durable, Versatile Stainless Steel Gauge Measures Up To 150 Millimeters In One-tenth Millimeter Increments. Also Measures In Inches. Features Notched Jaws For Inside Or Outside Measurements. Includes Vernier Scale For Complete Accuracy. Comes With Case For Better Protection During Travel Or Storage.<br/><br/>150 mm (6") manual stainless steel gauge with metric and imperial reading. This durable, versatile stainless steel gauge measures up to 150 millimeters in one-tenth millimeter increments. Also measures in inches. Features notched jaws for inside or outside measurements. Includes vernier scale for complete accuracy. Comes with case for better protection during travel or storage.

150mm 6" Manual Stainless Steel Gauge With Metric And Imperial Reading

$24.99

150 Mm (6") Digital Gauge With Metric And Imperial Reading. Same As Gauge3, Only Difference Is This One Is 150mm Instead Of 100mm For Gauge3<br/><br/>150 mm (6") digital gauge with metric and imperial reading. Same as GAUGE3, only difference is this one is 150mm instead of 100mm for GAUGE3

avg. rating 5.00

150mm 6" Digital Gauge With Metric And Imperial Reading

$34.99

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

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

2 x $74.97

Presidium Electronic Gemstone Gauge Is The Industrys First Electronic Gemstone Gauge And Utilizes Solid-state Electronics To Accurately Measure Up To 1/100mm. Pegg Features A Clear And Visible High-tech Digital Display For Ease Of Reading Measurements. Its Touch Button Zeroing Allows The Convenience Of Resetting To Zero At Any Measurement Point. A High Setting Attachment Allows Measurement Of Mounted Gemstones With Ease.<br/><br/>Presidium Electronic Gemstone Gauge is the industrys first electronic gemstone gauge and utilizes solid-state electronics to accurately measure up to 1/100mm. Features a clear and visible high-tech digital display for ease of reading measurements. Its touch button zeroing allows the convenience of resetting to zero at any measurement point. A high setting attachment allows measurement of mounted gemstones with ease. The Presidium Electronic Gemstone Gauge also includes the Presidium Gemstone Weight Estimation Table, which corresponds with millimeter conversion to carat weight estimation. Features include measurement from 0.0 to 25.0mm, accuracy of 0.01mm and tolerance of 0.02mm. Direct digital millimeter/carat readout. Touch button zeroing that allows the convenience of resetting to zero at any measurement point . Smooth slider mechanism and low battery consumption. Unit is portable and lightweight . Auto-magnetic power off when placed in carrying case. Attachment for high setting jewelry included. Presidium Gemstone Weight Estimation Table provided at no additional cost! Compact protective case included. Dimensions and Weight are: Length: 97mm (3.82 inches) Width: 61mm (2.4 inches) Height: 16mm (0.63 inches) Weight: 110g. Operates on 1 CR2450 battery for about 80 hours of continious use. Detailed instructions are included.

Presidium Electronic Gemstone Gauge

$249.95

3 x $83.31

Showing 1-7 of 7 items

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