High Precision Diamond Tester Pen, Multifunctional Thermal Conductivity Meter, Portable Diamond Selector for Novices and Experts

【High Precision】: Specifically calibrated for diamonds, this tester pen guarantees accurate identification, making it indispensable for diamond verification.

【Thermal Conductivity】: Features a state-of-the-art thermal conductivity meter, vital for distinguishing diamonds from other gemstones based on heat dissipation.

【Portable Design】: Compact and lightweight, this diamond tester pen can be easily carried around, ensuring you can verify diamonds anywhere, anytime.

【User-Friendly】: Designed with novices in mind, this tool simplifies diamond testing with clear instructions and intuitive operation.

【Versatile Use】: Suitable for both beginners and experienced gemstone hunters, offering reliable performance for anyone entering the world of diamond testing.