Presidium® Digital Gemstone Gauge

We ship worldwide from Belgium within 1–2 business days using trusted carriers including FedEx, TNT Express and DPD.

You can expect your parcel within 2 to 8 business days from when it leaves our warehouse.

Shipping costs are calculated at checkout based on your destination and parcel weight. Tracking is provided where available.

International orders may be subject to local customs duties or taxes.

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.