Multi-functional gemstone testing device: This unit serves as both a diamond detector and a multi-detector for various gems. Real vs. fake detection: Designed to provide quick and accurate identification of genuine gemstones. User-friendly interface: Features clear and easy-to-read analog dials for distinguishing between different types of gemstones efficiently, sapphires, rubies, crystals, and others. Fast and precise testing: This device ensures accurate and safe gemstone evaluations, making it suitable for both experienced users and novices. Convenient packaging: Includes a manual for ease of use and is packaged in a protective case for portability.