Experience cutting 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 the ideal portable gem tester for on-the-go evaluations. Engineered for speed and accuracy, our 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 the ultimate gemstone tester for all stones. No professional skills are needed—just power on the device, gently touch the tip to the stone, and receive instant feedback. Its user-friendly operation ensures accuracy with every test. Not limited to diamonds alone, this tester 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 × Gem Tester for All Stones Only the above package content is included; other products are not included. Note: Light reflection and different display settings may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may have an error of +/- 1-3 cm.