A light and portable desktop instrument that instantly identifies diamonds and estimates type of colored gemstone (from a range of 15 types), based on their thermal properties.
The Presidium Gem Tester / Colored Stone Estimator 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.
It features the signature Presidium retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results.
Does not differentiate between natural and synthetic colored gemstones.
Product comes with 1-year warranty.
Can be powered by 2 AA batteries or through its USB port connected to external power source.