High Accuracy Gemstone Selector Pen LED Indicator Thermal Conductivity Tester Easy To Use Jewelry Authenticity Tester for Jewelers, Gemologists, Hobbyists

Professional Identification: This advanced testing equipment is designed to distinguish genuine diamonds from other simulated stones with high precision.

Accurate Detection: Functioning as a reliable gemstone tester, it uses thermal conductivity to provide instant results for various precious stones.

User-Friendly Interface: The gemstone selector pen features a clear LED indicator and audio alerts to ensure easy reading during the testing process.

Portable Design: This compact thermal conductivity tester is lightweight and comes with a safeguarding leather pouch for safe transport to any location.

Versatile Application: An essential jewelry authenticity tester for jewelers and hobbyists to verify the hardness and authenticity of rings, necklaces, and loose gems.