Presidium Gem Indicator PGI Colored Gemstone and Diamond Tester

Description

💎 Unlock the true value of every gem with pinpoint precision!

The Presidium PGI Gem Indicator is a handheld digital tester designed for professionals to accurately identify diamonds and 31 types of colored gemstones. Featuring the industry's thinnest 0.45mm probe tip, it tests gems as small as 0.2ct with a patented thermoelectric dual-thermometer system. Its color input function and clear OLED display ensure precise readings, while buzzer alerts and USB connectivity enhance usability and data management.