Presidium® Multi Tester III Diamond & Moissanite Tester

The Presidium Multi Tester III (PMuT III) is a professional handheld gemstone testing instrument designed to instantly identify diamonds, moissanite, and common diamond simulants. Using advanced thermal and electrical conductivity testing, this device allows jewelers and gemstone buyers to quickly verify the authenticity of stones with reliable results.

This all-in-one tester can distinguish natural diamonds from moissanite, cubic zirconia, and other colorless simulants within seconds. The retractable probe tip ensures consistent pressure against the gemstone, improving testing accuracy and repeatability.

The Multi Tester III features an ergonomic design with a rubberized anti-slip grip and a 180-degree multi-view LED display, making it easy to read results from different angles during testing. The ultra-fine 0.6 mm probe tip allows testing of stones as small as 0.02 carats, making it suitable for mounted jewelry and small gemstones.

This tester is widely used by jewelers, pawn shops, diamond dealers, and gem laboratories for quick gemstone verification.

Key Features

• Identifies diamonds, moissanite, and simulants

• Tests using thermal and electrical conductivity

• 0.6 mm retractable probe tip for precision testing

• Tests diamonds as small as 0.02 ct

• LED light indicator and audible signals for results

• Ergonomic anti-slip grip design

• 180-degree multi-view display

• No waiting time between tests

Applications

• Verifying genuine diamonds

• Distinguishing diamonds from moissanite and cubic zirconia

• Jewelry appraisal and repair

• Pawn shop gemstone verification

• Screening loose or mounted stones

Product Specifications

• Brand: Presidium®

• Model: PMuT III (Multi Tester III)

• Testing Method: Thermal & electrical conductivity

• Minimum Stone Size: 0.02 ct

• Probe Tip Size: 0.6 mm

• Display: LED indicator with audio alert

• Power: AAA batteries

• Includes: Protective carrying case and stone rest