This gemstone testing device is not only a diamond tester, but also a multi gemstone tester. Diamond selector II can help you distinguish whether diamonds are real or fake, including: diamonds, sapphires, rubies, crystals, agates, jadeite, and other precious stones of various sizes.Using the Moissanite tester, it is safe and reliable. The power indicator light (automatically turns off the green light) and a long beep will remind the user to turn off the inst ent.Convenient Storage Bag The Diamond Chooser II is equipped with a PU bag and a small test tray, which can accommodate loose stones. Lightweight and compact in size, easy to carry.Fast and precise testing: The green indicator will be displayed on the Diamond selector II if the stone is a real diamond. When the user accidentally comes into contact with metal instead of stone, it will emit a continuous buzzing sound. Colour:As ShownMaterial:Plastic Package Contents:1 * diamond tester1 * Moissanite Tester Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.