High Accuracy Diamond Tester Pen – Professional Jewlery Selector for Beginners & Experts Ghost Automatic Temperature Compensation (ATC): Ensures

Automatic Temperature Compensation (ATC): Ensures accurate readings regardless of ambient temperature

Its precise cutouts maintain full access to buttons

Application: DIY Electronics

Adjustable Fit: Precisely adjustable for wrist sizes of all ages

Can be folder or rolled up for storage

High Accuracy Diamond Tester Pen – Professional Jewlery Selector for Beginners & Experts Ghost Automatic Temperature Compensation (ATC): EnsuresThis professional diamond tester pen is perfect for identifying genuine diamonds with precision. Its LED and audio indicators make it easy to confirm results instantly. The tool comes with a testing platform for loose stones, a carrying case for portability, and is powered by a standard 9V battery. Whether youre a jeweller, collector, or beginner, this tester ensures dependable diamond verification anytime, anywhere. Main Features: Simple Operation