Presidium Diamond Mate-A Tester

Presidium Diamond ‘Mate-A’ Tester

A pocket-sized instrument that instantly verifies the authenticity of diamonds based on their thermal properties.

The Presidium Diamond Mate - A Tester 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, PDMT tests diamonds as small as 0.02ct. Test results are instantly indicated by a LED light and continuous audible beep. It is also Instantanious in recovery time in between tests. Metal detector alerts users if contact is accidentally made with gem mounting.