Presidium - Coloured Stone Gem Tester II

Presidium - Coloured Stone Gem Tester II

The ALL-NEW Presidium Gem Tester II

The most trusted and sought after coloured gemstone tester has been redesigned with the user in mind, to be more compact, sturdy and portable. Provides users with a quick and easy way to identify diamonds/moissanites and seperate up to 15 common coloured gemstones based on their thermal properties.


Retractable thermalelectric probe tip that ensures constant pressure between probe and gemstone

Industries thinnest probe tip (0.6mm) for testing coloured gemstones as small as 0.02ct

Metal alert buzzer to ensure that probe tip is in contact with gemstone during testing

Clear and easy to read analog display

Built in glass and calibration discs for reference


Identifies diamonds/moissanites and most coloured gemstones

Tests both polished and unpolished gemstones

Tests gemstones as small as 0.02ct

Consistent and reliable results every time

No waiting time between tests

Simple and easy to use

Uses 2 x AA batteries or power adaptor (included)

It is recommended to use the Presidium Gem Tester II in environments at ambient temperatures of 18c - 27c

Code Product Name Details Availability Price Quantity
Presidium - Coloured Stone Gem Tester II

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