Quick Identification: Just turn on our diamond tester pen; place the tip of diamond tester pen on the gemstone and press it gently. Provides results quickly and accurately. diamond tester pen no need to worry about missing the details of the gemstone

Clear Screen Design: Diamond tester pen adopts a clear screen design, diamond tester pen you can quickly get useful data; when the data is above 9, the item you tested will be a real diamond.

Easy to Use: Diamond tester pen is a friendly tool that does not require professional diamond detection knowledge. diamond tester pen with just a few simple steps, anyone can judge the authenticity of a diamond.

Jewelry Loupe: Diamond tester pen is your must-have tool. Its compact design and powerful LED light make it convenient to use in various environments, diamond tester pen providing clear and detailed magnification so that you can see the items you want to know.

Freehand Operation: For the best accuracy, diamonds should be tested with bare hands. Wearing gloves will interfere with the metal alarm function of the diamond tester pen. diamond tester pen is small and portable, convenient for you to hold or store.