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Presidium® Gem Tester II

Presidium® Gem Tester II

Regular price $375.00
Regular price Sale price $375.00
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The Presidium® Gemstone Tester / Colored Stone Estimator is the only colored gemstone thermal tester in the industry. It provides a quick and easy way to identify diamonds and separate common colored gemstones from one another based on their thermal conductivity. Coated gemstones can also be generally tested with the PGT/CSE. The Presidium® Gem Tester / Colored Stone Estimator 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, PGT/CSE tests diamonds as small as 0.02ct. Does not differentiate between natural and synthetic colored gemstones.

  • Detachable probe pen with retractable thermoelectric probe tip 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 gemstone during testing.
  • Clear and easy-to-read analog dial.
  • Can differentiate between 15 types of gemstones.
  • Built-in diamond and simulant test discs for reference.
  • Identifies diamonds and most colored 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.
  • Runs on batteries.
  • 2 x AAA alkaline batteries (approximately 3 hours of continuous use).

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