Gem Tester, Portable Jewelry Diamond Meter with LED Indicator Light for Accurate Testing of Common Gemstones, No Calibration Needed, Easy to Carry

Portable Gem Tester with LED Indicator Light accurately identifies common gemstones without the need for calibration. Designed for ease of use and convenience, this lightweight device is easy to carry, making it an ideal tool for both professionals and hobbyists. The LED indicator provides clear results, ensuring reliable testing whenever and wherever needed.

• Power indicator: Once powered on, the indicator lights up, signaling that the instrument is warming up and will be ready for use within seconds.
• Quick results: The diamond tester delivers fast and accurate results, allowing for immediate identification of fake stones.
• Reflection indication: Pay attention to the reflection of the instrument. If the yellow LED lights up and the buzzer sounds, the subject is a genuine diamond; otherwise, it indicates a fake.
• User-friendly: The diamond test pen is designed for ease of use, requiring no professional training. Simply turn on the device and place the tip on the stone with gentle pressure.
• Operating principle: The tool functions based on the thermal conductivity of diamonds and imitation stones, enabling quick differentiation between natural diamonds and various fakes.