Experience cutting-edge technology with a built-in LED light source that requires no warm-up time. The top compartment opens to accommodate gemstones of various 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 allows for quick verification of authenticity anytime, anywhere. Designed with an intuitive pointer interface, the device enables fast and efficient testing. Its streamlined performance supports versatile gemstone evaluation. No professional training is required—simply power on the device, gently touch the probe to the stone, and receive immediate feedback. The user-friendly operation supports consistent results. This tester works with a wide range of gemstones—not just diamonds. Suitable for professionals and hobbyists alike. Color: As shown Material: Metal + Plastic Package Contents: 1 × Gem tester Note: Screen settings and lighting conditions may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.