Firelex High Accuracy Diamond Tester,Portable Diamond Tester Tool Gemstone Tester Gold Tester with LED Indicator,Jewelry Electric Tester Pen for Gemstone Novice Expert

This is a portable electronic device used to distinguish real diamonds from other simulated gemstones. It is designed for fast, precise and safe diamond testing.
An excellent diamond tester tool kit for handling any loose or mounted diamonds and gemstones, as well as other jewelry and precious metal items
The diamond test pen is easy to operate and results can be obtained without a professional. Simply turn on our Diamond Tester Pen Detector; place the tip of the diamond tester on the gemstone (gentle pressure is enough) and the tester will not beep if the gemstone is fake, crystal or cubic zirconia
The compact and portable electronic device fits in any purse or backpack and is easy to operate. As long as the tip is perpendicular to the test masonry and the switch is pressed, you will get the result
LCD display and LED indicators. Test diamond with big/small switch, makes an audible sound to easily differentiate readings