jewelers tools

KEE Gold Tester Replacement Pen

The Presidium Diamond Mate utilizes proven thermal conductivity testing method to instantly verify the authenticity of diamonds. Test results are indicated by visual light and audible beeps.

24 full half-spheres on Wooden Base. All punches are polished and hardened to 50 Rockwell hardness at both ends, the sphere end and the hit end of the punch.

Convenient all-in-one handheld instrument that instantly separates diamonds from moissanites and other diamond simulants, based on their thermal and electrical properties.