Presidium Dial Gem Gauge

Presidium Dial Gem Gauge

Presidium Computer Gem Gauge

Presidium Computer Gem Gauge

Presidium Elec. Gem Gauge

It is The Industry's Most Reliable Digital Gauge that can not only take the measurement of Gemstone Dimensions (in mm) but can also smartly convert it into Carat Weight for "Round Brilliant-Cut Diamonds".

Availability: In stock

Presidium Elec. Gem Gauge is the Most Reliable Gadget when it comes to measuring the Dimensions of Gemstones. It also helps to convert the readings of Dimensions into Carat weight for Round Brilliant-Cut Diamonds.

  • Measures from 0.0 to 25.0mm
  • Accuracy: 0.01mm / Tolerance: 0.02mm
  • Smooth slider mechanism
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Specifications : Presidium Elec. Gem Gauge (PEGG)

  • Measures from 0.0 to 25.0mm
  • Accuracy: 0.01mm / Tolerance: 0.02mm
  • Direct digital millimeter/carat readout
  • Smooth slider mechanism
  • It is Low on battery consumption
  • 1 x 3V battery (provided with product, approximately 5000 hours of battery life)
  • It is so lightweight and portable that you can carry it with you anywhere you want to
  • Compact protective case included with auto-magnetic power off when placed in carrying case
  • Our PEGG carries a clear and visible high-tech digital display for ease of  reading measurements
  • It has 1 touch button zeroing which allows resetting to zero at any measurement point
  • Our PEGG also includes High-setting jewelry attachment which helps to ease in measuring mounted gemstones and also helps in subsequently converstion to carat weight
  • The Package also includes the Presidium Gemstone Weight Estimation Table, which corresponds millimeter conversion to carat weight estimation.  

Dimensions & Weight

Length: 97mm (3.82 inches)

Width:   61mm (2.40 inches)

Height:  16mm (0.63 inches)


Included in your package:

• Presidium Electronic Gemstone Gauge
• High setting jewelry attachment
• Presidium Gemstone Weight Estimation Table
• Quick Guide
• QR Code Card
• Plastic carrying case

Dimension and weight
Length Width Height weight (Grams)
Product 9.7 6.1 1.6 113
Package 16 9 4 366
  • This Product comes with a Warranty

Calibration :

  • Not Required

Precautions :

  • Keep the tester dry. Precipitation and all types of liquids or moisture can contain minerals that will corrode electronic circuits. If your tester gets wet, remove the battery, and allow the tester to dry completely before replacing it.


  • Do not use, store or expose the gauge in dusty and dirty areas. Its moving parts can get damaged.


  • Do not use, store or expose the gauge in hot areas. High temperatures warp or melt certain plastics.


  • Do not use, store or expose the gauge in cold areas. When the gauge returns to its normal temperature, moisture can form inside the gauge.


  • Do not attempt to open the gauge other than as instructed in this handbook.


  • Do not drop, knock, or shake the gauge. Rough handling might break the fine mechanics.


  • Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the gauge.


  • Do not paint the gauge. Paint can clog the moving parts and prevent proper operation.
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