Presidium Gem Indicator Coloured Gemstone Tester

The Presidium Gem Indicator is the industry's one and only handheld digital tester for coloured gemstones, for application in 31 different types of gemstones.

PRESIDIUM Gem Indicator is the industry's only multi-gemstone tester which utilizes the properties of electro-thermal conductivity and Presidium's signature, retractable probe tips, which maintain consistent pressure against the gemstone during testing, to accurately verify the authenticity of 31 different types of gemstones. The PGI is a handheld version of the revolutionary Presidium Gem Tester/Colored Stone Estimator.

FEATURES

• Tests an extended range of 31 different gemstones
• Colour input function to further separate gemstones for more accuracy
• Easy-to-read results on clear digital LED screen
• Quick results in less than 6 seconds
• Industry’s thinnest probe tip (0.45mm) for testing gemstones from 0.02ct
• The patented refined probe tip
• Metal buzzer alert and low battery indicator
• Sleek chrome-brushed ergonomic grip
• USB port for alternative power source and connectivity

BENEFITS

• Also able to distinguish diamonds from other coloured gemstones
• Selection of 12 common colours available for more accurate results
• Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone, for enhanced accuracy
• Slim, light, portable and handheld for convenience