?SERVICE?If you have any questions about the use, please feel free to contact us, we will reply to you within 24 hours. Package includes:1 x Diamond Tester, 1 x User Manual, 1x Test Platform. This product uses 9v battery (battery not included). ?SCOPE OF APPLICATION?Diamond Tester Pen High Accuracy Professional Jeweler can be used for diamond, jade, crystal, agate. diamond checker tool can easily and quickly test the authenticity of the tested items. ?QUICK DISTINGUISH?You just need to open our diamond gem tester, put the tip of Diamond Detector perpendicular to the gemstone (90 degrees). You'll be able to quickly get results in seconds, knowing if the item is real or fake. ?REASONABLE DESIGN?Our High Accuracy Professional Jeweler is the second generation and the diamond gem tester is very simple to use. You just need to install the battery and turn the switch before use.(without battery). ?SIMPLE AND FAST TO USE?Our diamond detector can quickly test the authenticity of diamonds, jade, agate, and crystal. If it is a real diamond, the indicator light will be greater than or equal to 9 and accompanied by a sound.

Best Sellers Rank: #32,860 in Arts, Crafts & Sewing. Customer Reviews: 3.9 out of 5 stars 44 ratings 3.9 out of 5 stars. Item model number: 20. Country of Origin: China. : B0B5DHYMWX. Manufacturer: Siziviki. Item Weight: 3.52 ounces. Product Dimensions: 5.31 x 0.87 x 1.57 inches. Item Dimensions LxWxH: 5.31 x 0.87 x 1.57 inches. Power Source: Battery Powered. Material: Agate. Batteries Required?: Yes. Color: Gray-black. Brand: Siziviki.