The Presidium Electronic Gemstone Gauge is a pioneering digital tool designed for precise gemstone measurement. It stands out as the industry's first digital gauge capable of converting gemstone dimensions into estimated carat weights, specifically for round brilliant-cut diamonds.

Equipped with solid-state electronics, this gauge offers measurement accuracy up to 0.01mm. Its high-tech digital display ensures clear and easy reading of measurements. The touch-button zeroing feature allows users to reset measurements at any point effortlessly.

An included high-setting jewelry attachment facilitates the measurement of mounted gemstones, enabling subsequent carat weight estimation. Additionally, the gauge comes with the Presidium Gemstone Weight Estimation Table, providing a reference for converting millimeter measurements to carat weights.

 Key Features:

✓ Measures from 0.0 to 25.0mm
✓ Accuracy: 0.01mm; Tolerance: 0.02mm
✓ Direct digital readout in millimeters or carats
✓ Touch-button zeroing for convenient resetting
✓ Smooth slider mechanism for ease of use
✓ Low battery consumption
✓ Portable and lightweight design
✓ Includes attachment for high-setting jewelry
✓ Comes with the Presidium Gemstone Weight Estimation Table
✓ Supplied with a compact protective case featuring auto-magnetic power off when stored

This gauge is an essential tool for jewelers and gemologists seeking accurate and efficient gemstone measurements.

Size : L-970mm x W-610mm x T-160mm

Hi-tech, solid state circuitry eliminates miscalculation and gives direct digital read out up to one micron accuracy.
Features include long life battery, zero reset and auto-off.

Unsurpassed value for the discriminating jeweler.