Joyzan Diamond Tester Pen, High Accuracy Jewelry LED Selector Professional Gem Testing Precision Detector Portable Gemstone Electronic Meter Tool Novice Expert Jade Ruby Stone Crystal Precious Metal - Joyzan0bqrieuw2f

• Intuitive Design: Our high accuracy jewelry diamond tester features an LCD display and LED indicator make jewelry diamond tester pen easy to read your precise testing results Quick and Safe: High accuracy diamond tester pen designed for quick, precise, and safe diamond testing, this professional jewelry diamond tester ensures that there is no harm to diamonds during the testing process. Diamond tester for jade providing accurate results every time High Accuracy: This diamond tester pen for novice is meticulously designed to deliver accuracy in gemstone testing. Its high performance sensors ensure that each test yields precise results, making diamond detector gem tester an essential companion for gemologists, jewelers, and enthusiasts alike Portable Design: The diamond detector gemstone tester and professional jewelry diamond selector can be put in any wallet or backpack, and the operation is simple. As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained Widely Use: This diamond tester pen kit is not only a diamond tester, but also a multi gemstone tester. Portable electronic diamond tester can detect if a gemstone is real or fake, including diamond, sapphire, ruby, crystal, agate, jadeite, and other precious stone of various sizes