- Premium Diamond Tester: Achieve accurate diamond evaluations with the trusted LED light and audio feedback system. A green indicator signals genuine diamonds, while continuous buzzing alerts you to the presence of metal, providing reliable assessments every time. - Portable and Compact Design: This diamond tester comes with a protective PU case and a dedicated testing platform for loose stones, making it ideal for travel and on-the-go evaluations. - Easy Calibration: Designed for both newcomers and seasoned professionals, the straightforward calibration process accommodates various stone sizes, ensuring user-friendly operation. - Multi-Purpose Tool: This versatile device not only identifies diamonds with precision but also serves as an essential tool for both amateur and professional jewelers, enhancing your gem testing capabilities. Use Scenarios: 1. On-the-go gem appraisal: Perfect for jewelers attending trade shows or events, allowing for quick and accurate testing of diamonds in any setting. 2. Personal jewelry verification: An invaluable tool for individuals uncertain about the authenticity of inherited or purchased gemstones, providing peace of mind. 3. Professional evaluations: Ideal for gemologists and appraisers conducting thorough assessments, ensuring every diamond is accurately identified without guesswork.