Presidium Diamond Mate-A Tester Silver 150mm)—a must-have tool for professionals

150mm)—a must-have tool for professionals and hobbyists alike

Colorless to near colorless gemstone (D-J)

This means that you’ll be able to use your gizmo to distinguish valuable ruby and sapphire from other colored gems

This tray features two functional sections: a spacious main area to display jewelry and a small upper section to place selected pieces that customers are considering

Presidium Diamond Mate-A Tester Silver 150mm)—a must-have tool for professionalsPresidium 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 industrys thinnest probe tip size of 0. 6mm, PDMT tests diamonds as small as 0. 02ct. Test results are instantly indicated by a LED light