Experience cutting-edge technology with a built-in LED light source that requires no warm-up time. The top box can be opened to accommodate gemstones of different sizes, making it an ideal portable gem tester for on-the-go evaluations. Engineered for speed and accuracy, this tester delivers reliable results in seconds. Its compact design ensures you can quickly verify authenticity anytime, anywhere, serving as a high-quality gemstone tester. Designed with an intuitive pointer interface, this device enhances productivity by enabling fast and efficient testing. Its streamlined performance makes it a versatile gemstone tester suitable for various types of stones. No professional skills are required—simply power on the device, gently press the tip against the stone, and receive instant feedback. Its user-friendly operation ensures consistent accuracy with every use. Beyond diamonds, this tester is suitable for evaluating a wide range of gemstones. Whether you're a professional jeweler or a hobbyist, it provides reliable functionality to meet diverse testing needs. Color: As Shown Material: Metal + Plastic Package Contents: 1 x Gem Tester Note: Light reflection and differences in display screens may cause slight variations in color compared to the actual item. Measurement may vary by +/- 1-3 cm.