Easy to use for beginners Audible signal for accurate readings Real diamond detection indicated by a green light Metal alarm buzzing if metal is touched instead of a stone Why this tester helps Quickly verify whether a stone is a real diamond without guesswork Audible readings provide immediate confirmation, reducing test time Clear green light indicator shows when a real diamond is detected Metal alarm helps prevent misidentification by signaling contact with metal Key attributes Function Diamond tester with an audible signal and a green light indicator that activates when a real diamond is detected. Includes a metal alarm that buzzing continues if metal is touched instead of a stone. Indicators and alerts Green light indicator signals a real diamond. Continuous buzzing alerts the user when metal is touched during testing. Usability Designed for simple operation, enabling reliable testing even for firsttime users. Size and material Size and material details are not specified in the available information. Performance Provides audible readings to confirm results and uses a visual green indicator for real diamonds. The metal alarm helps prevent false positives when testing stones in metal settings. Use scenarios Shopping for diamonds or jewelry Use the tester at a jewelry counter to verify that a stone is a real diamond before making a . Home or hobby testing Test loose diamonds or stones at home to quickly confirm authenticity, saving time and reducing uncertainty during sorting or collection management. , appraisal, or resale screening During jewelry or appraisal, use the device to screen stones in settings or assess potential candidates for resale, improving efficiency and confidence.