Presidium® Multi Tester III

The Presidium® Multi Tester III is the all-in-one instrument that reliably and accurately verifies the authenticity of diamonds against moissanites and other diamond simulants such as colorless sapphire, colorless spinel, cubic zirconia, zircon, etc. Showcasing a new ergonomic design with a rubberized anti-slip grip and an all-around display for easy readability, PMuT III promises greater ease of handling and reading of results whilst testing. Presidium’s® Multi Tester was the world’s first tester that tests for both diamonds and moissanites in a single instrument. It’s measuring probes and electronics circuitry detect data from the gemstone being tested via a customized micro-controller, identifying diamonds and moissanites based on their thermal and electrical properties. PMuT III has a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. With the industry’s thinnest probe tip size of 0.6mm, the PMuT III tests diamonds as small as 0.02ct.

• Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone.


• Industry’s thinnest probe tip (0.6mm) for testing gemstones as small as 0.02ct.


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


• Ergonomic design with rubberized anti-slip grip for better handling during testing.


• 180-degree multi-viewing LED display.


• Catered to both left-handed and right-handed users alike.


• International voltage compatibility.


• Low batter indicator.


• Automatic power off.


• Identifies metals, simulants, moissanites, and diamonds instantly.


• Enhanced accuracy and consistency with improved functionality and usability.


• Accurate testing on diamonds as small as 0.02ct.


• Enhanced functionality and usability.


• Clear and visible display for ease of reading measurements.


• No waiting time between tests.


• Simple and easy to use.


• Light and portable for convenience.


• Comes with protective carrying case.


• 3 x AAA alkaline batteries (approximately 7 hours of continuous use).