Presidium-Gem Tester(Number:31754) -Imported with original packaging from Singapore

1.Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone 

2. Industry’s thinnest probe tip 0.6mm for testing diamonds as small as 0.02ct.

3.Metal alert buzzer to ensures that probe tip is in contact with gemstone during testing

4. Clear and easy to read analog dial

5.Multi colored gemstone display

6. Identifies diamonds and most colored gemstone

7. Tests both polishes and unpolished gemstones

8. Built-in diamond and stimulant test discs for reference

9. Powered by 2 AA batteries or adaptor