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Presidium Multi Tester III

Presidium Multi Tester III

Presidium DUO Tester

Presidium DUO Tester

Presidium Mate-A

Presidium Diamond ‘Mate-A’ Tester Effective and durable instrument detects the real diamond from any simulations. Battery operated, low battery indicator, pocket size. Verifies authenticity of Diamond intensity Consistent and reliable result every time No waiting time between tests
Availability: In stock

The Presidium Diamond Mate Tester (PDMT) 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, PDMT tests diamonds as small as 0.02ct. Test results are instantly indicated by an LED light and continuous audible beep.


  • Retractable thermoelectric probe tip for enhanced accuracy that ensures constant pressure between probe and gemstone
  • Industry’s thinnest probe tip (0.6mm) for testing diamonds as small as 0.02ct
  • Metal alert buzzer to ensure that probe tip is in contact with stone during testing
  • No waiting time between tests
  • Clear and easy-to-read LED display
  • Rechargeable batteries
  • Low battery indicator
  • Low battery consumption


  • Verifies authenticity of diamonds instantly
  • Tests both polished and unpolished gemstones
  • Tests diamonds as small as 0.02ct
  • Consistent and reliable results every time
  • No waiting time between tests
  • Clear and visible display for ease of reading measurements
  • Simple and easy to use
  • Light and portable for convenience
  • Comes with protective carrying case

Power & Battery

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