List of products by brand Presidium

Presidium Gem Indicator PGI

An advanced digital Computer Gauge that measures gemstone dimensions and can estimate gemstone weight and identifies for 9 different cuts.

Presidiun Analog Dial Gauge

Original Presidium accessory designed for use with Presidium gemological gauges. This replacement pin is used to hold the gemstone or jewellery piece steady during measurement.

Presidium Duo Tester II
The only comprehensive tool in the market that combines thermal conductivity and reflectivity indexes.
Two tests carried out to distinguish diamonds from simulants, as well as 15 different colored gemstones.
Now with Presidium's Assisted Thermal Calibration (ATC) for accurate and consistent tests.
Adaptor Included.

This is an electronic version of the Leveridge Gauge

New Presidium Multi-Tester III

ADAMAS, The best Diamond and Moissanite Tester

PRESIDIUM PRIM II - REFRACTIVE INDEX METER

Diamond Tester - Gem Tester II Plus Presidium

New Presidium Diamond Detector
!! Identifies colorless Diamonds from color  D to color J !!

Diamond Mate-A Presidium Tester