Dial Gauge (Model: PDG)
1 year factory warranty

An easy-to-use analog gauge for measuring gemstone dimensions.
BENEFITS
- Measures gemstone dimensions with accuracy to 0.1mm
- Clear and easy-to-read analog display with readings in mm/ ct/ ring size on carat scale
- Designed to be simple and easy-to-use tool
- Light and portable instrument that can be used anywhere
FEATURES
- Measures from 0.0 to 23.0mm
- Accuracy of 0.1mm
- 0.05mm instrumental error, with simple zero realignment
- Instantly converts millimeter readings to carats for round brilliant-cut gemstones
- Analog guage with mm/ ct/ ring size display
- Smooth slider mechanism
- Portable and compact protective case included
- Attachment for high setting jewelry provided
- Presidium Gemstone Weight Estimation Table provided
Electronic Gemstone Gauge (Model: PEGG)
1 year factory warranty

A convenient digital gauge that measures gemstone dimensions.
Presidium Electronic Gemstone Gauge is the industry’s first electronic gemstone gauge and utilizes solid-state electronics to accurately measure up to 0.1mm
BENEFITS
- Measures gemstone dimensions with accuracy to 0.01mm
- Direct carat conversion for round brilliant-cut diamonds
- Designed to be simple and easy-to-use
- Light and portable instrument that can be used anywhere
FEATURES
- Measures from 0.0 to 25.0mm
- Accuracy of 0.01mm
- 0.02mm instrumental error
- Direct digital millimeter/ carat readout
- Touch button zeroing that allows the convenience of resetting to zero at any measurement point
- Smooth slider mechanism
- Low battery consumption
- Auto-magnetic power off when placed in protective case
- Portable and compact protective case included
- Attachment for high setting jewelry provided Presidium Gemstone Weight Estimation Table provided
Gem Computer Gauge (Model: PGCG)
1 year factory warranty

A convenient digital gauge that measures actual gemstone dimensions and estimates gemstone weight and identity.
BENEFITS
- Measures actual gemstone dimensions and estimates gemstone weight and identity
- Measures 74 gemstones and 9 different shapes
- Direct carat conversion for round brilliant-cut diamonds
- Light and portable instrument that can be used anywhere
- PC connectivity for ease of importing and printing measurement results
FEATURES
- Measures from 0.0 to 25.0mm
- Accuracy of 0.01mm
- 0.02mm instrumental error
- Direct digital millimeter/ carat readout
- Smooth slider mechanism
- Computer interface display with CD and USB (Universal Serial Bus) connectivity
- Attachment for high setting jewellery provided
- Specific Gravity (S.G.) dictionary for quick and easy reference included
- CD that contains information on 133 gemstones (e.g., S.G. value, R.I. value and hardness) included