DescriptionKey points:1. Multi-purpose: The diamond tester is an ideal jewelry selector, it can detect the authenticity of gemstones, and can be used for all types of jewelry, such as diamonds, sapphires, rubies, etc. Various sizes of crystals, agates, emeralds and other gemstones, etc.2. Simple operation: Put the battery (not included) into the tester, remove the probe cover, turn on the switch, make sure the ONLY light is on, and make sure the "ready light" is on. If it is testing diamonds, you need to turn on the lights corresponding to the room temperature and diamond weight.3. Inspection criteria: If the number of lights is equal to or greater than 9 and a beep is heard, it means that the diamond is real. If the indicator light is around 9 and a beep is heard, it means that the sapphire is real. If the number is 6.5-7, it means that the agate is real. If the number is 7-8, it means that the crystal is real. If the number is 6-7, it means that the jade is genuine.4. Note: No matter what gem you test, the probe should be at a 90° angle to the object being tested. When testing diamonds, the right index finger should always be in contact with the metal panel on the back of the tester, and should not be in contact with the panel if testing other gemstones. Do not test any metal. Do not use gloves.5. Satisfaction guaranteed: Your satisfaction is our top priority. If this diamond tester does not meet your expectations, please feel free to contact us and we will resolve it to ensure you are satisfied with your purchase.Description:If the number of lights is equal to or greater than 9 and a beep is heard, the diamond is real.If the number of lights is 9 and a beep is heard, the sapphire is real.If the number of lights is 6.5-7, it is real agate.If the number of lights is 7-8, it is real glass.If the number of lights is 6-7, it is real jade.
Before testing:1. Put the battery in the tester.2. Remove the probe cover.3. Turn on the switch.4. Make sure only 1 light is on the scale.5. Make sure the "Ready to Use" indicator is on.6. If testing diamonds, the number of lights corresponding to the room temperature and diamond weight should be turned on.7. If testing other gemstones, it is best to calibrate the probe before testing. Method: Place the probe vertically on a piece of glass, and then adjust the light to 5. Then place the probe on the gemstone for testing.8. The test is ready.Specifications:Size: 16*4*2.2 cm/6.29*1.57*0.86 inchesColor: As shown in the pictureWeight: 160gPower supply required: 1 9V battery (not included in the scope of supply)







