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115187

Presidium

Presidium Electronic Gemstone Gauge

¥65,026
¥65,026
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Delivery time: 3–5 weeks
Estimated arrival: Feb 22, 2026 – Mar 08, 2026

This Presidium® electronic gemstone gauge accurately measures loose or set stones—even those with deep girdles or set in deep mountings—and instantly converts millimeters to carats. An easy-to-read digital display indicates ID and OD from 0–25mm with 0.01mm accuracy, and the gauge includes a jewelry attachment for measuring depths of stones in settings. It features auto shut-off to conserve battery use. A 3-volt battery, protective case, and gemstone weight estimation table are included.

Specifications

Accuracy:
0.01mm
Brand:
Presidium
Country of origin:
Thailand
Dimensions:
97 x 61 x 16mm
Dimensions mm:
61 x 16mm
Range:
0–25mm
Shipping weight:
12.731 ounces (360.907g)
Weight:
0.361 kg
Weight kg:
0.361
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