Experience cutting with a built-in LED light source that requires no warm-up time. The top box can be opened to match 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 swiftly verify authenticity anytime, anywhere, serving as a high-quality gemstone tester. Designed with an intuitive pointer interface, this device maximizes productivity by allowing fast and efficient testing. Its streamlined performance makes it a versatile gemstone tester for various stone types. No professional skills are required—just power on the device, gently touch the tip to the stone, and receive instant feedback. Its user-friendly operation ensures consistent accuracy with every test. This tester is not limited to diamonds and is suitable for assessing a wide range of gemstones. Whether you're a professional jeweler or a hobbyist, it provides functionality to meet diverse testing needs. Color: Material: Metal + Plastic Package Contents: 1 x Gem Tester for All Stones Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.