Duo Tester with Simulant Set (PDT)

  • $ 549.00

The only gemological instrument in the industry that tests gemstones using both thermal and reflectivity testing.

Presidium DuoTester is the only comprehensive tool on the market that combines two proven testing methods for gemstones.

PDT differentiates diamonds from its simulants based on both their thermal conductivity and reflective indexes. Coated gemstones can also be generally tested with the PDT.

  • Does not differentiate between natural and synthetic colored gemstones.
  • Product comes with 1-year warranty.
  • Can be powered by 5 AA batteries or through its USB port connected to external power source.
  • Ships from the USA

Download User Handbook (PDF)

Download PDT Reflective Index Chart


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