professional Diamond Tester, Moissanite Tester, 2-in-1 Test Pen, Portable Diamond Selector, for Synthetic Moissanite or Genuine Diamond Testing

High Accuracy TestingThe Diamond Tester Pen utilizes advanced electronic technology to quickly and accurately test the authenticity of diamonds and moissanite. 2-in-1 test penIn addition to testing diamonds, the Diamond Tester Pen can also detect moissanite and other gemstones. It offers various testing modes and functionalities to cater to your testing needs for different types of jewelry. Easy to UseThe Diamond Tester Pen is simple to operate. Just lightly touch the pen tip to the surface of the jewelry, and it will provide test results within seconds. Green light indicates a real diamond, while red light indicates the possibility of a synthetic diamond or other gemstone. PortableThe Diamond Tester Pen features a portable design, allowing you to carry and use it with ease. Its compact size and lightweight construction enable you to perform diamond tests anytime, anywhere, whether in a jewelry store, second-hand market, or while traveling. NoteBattery and power cord can not be used at the same time, when use the power cord can not installed battery, the use of batteries need buyers to configure their own 9V battery. We ship without batteries, only the power cord.