High Accuracy Diamond Tester Pen With LED Indicator Light and Sound Prompt, Portable Electronic Professional for Novice and Expert, Sapphire/Ruby/Crystal

Description

💎 Unleash Your Inner Gemologist!

The Diamond Tester by DUPELEC is a professional-grade electronic instrument designed for accurately identifying diamonds and other gemstones based on thermal conductivity. With a compact design, sound and LED alerts, and user-friendly operation, this tester is perfect for both novices and experts. It ensures quick, precise results without damaging your precious stones, making it an essential tool for anyone involved in buying or trading jewelry.