Indicate Diamond: Green indicator will be showed if the stone is a real diamond. It will make continuous buzzing sound when user accidentally touches metal rather than stone.
Easy to Use: Simple calibration for stones of various sizes. Easy to use even for a new beginner. its also a great tool to have when testing your own jewelry.
Wide Usage: LED light and audio result indication. Industrial purpose, circuit board and printing , industry, gardening, coin, diamond, stamp, jewelry, appraisal, education, geography, home and office.
Diamond Selector II: This tester comes with a PU case and small testing platform for holding loose stones.It is designed for quick, precise, and safe diamond testing.
How to Use: This diamond tester has a highly compact design and will help you to tell the difference between a diamond and fake diamond, for distinguishing real diamonds from other simulated stones...