Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones

Description

💎 Identify brilliance in a flash—because every gem deserves the spotlight.

The Presidium Gem Indicator is the industry’s only handheld tester designed specifically for colored gemstones, delivering rapid and accurate identification of up to 31 gem types. Featuring the thinnest retractable 0.45mm thermoelectric probe tip, a color input function for enhanced precision, and a clear digital LED display, it combines ergonomic design with versatile power options including USB and AAA batteries. Ideal for professionals demanding speed, accuracy, and portability in gemstone testing.