Retractable thermoelectric probe tip, ensures constant pressure between probe and gemstone
Thinnest probe tip in the industry (0.6mm) for gems up to 0.02 carats
Metal alert buzzer to ensure the probe tip is in contact with the gemstone under tes analog dial.
Built-in calibration and glass test (CAL) disks for reference
Free shipping from 170 €.
At home from 24 h.
Financing up to 60 months.
You can differentiate between 15 types of gems.
The Presidium Gem Tester II (PGT II) provides users with a quick and easy way to identify diamonds/moissanites and separate up to 15 common colored gemstones based on their thermal properties.
• Identifies diamonds / moissanites and most colored gemstones
• Try polished and unpolished gemstones
• Test gems as small as 0.02ct
• Consistent and reliable results every time.
• No waiting time between tests
• Simple and easy to use
• Works with 2 AA batteries or adapter (included)
Recommended operating conditions
Presidium Gem Tester II is recommended to be used in environments at ambient temperatures of 18°C - 27°C.
