Do you like jewelry very much? But you are worried about how to identify the authenticity of jewelry. HKIS Diaond Tester Pen, High Accuracy Jewelry Diaond Tester＋ 60X... If lights is 7 or 8, it is true crystal. The surface of the test object is clean, flat and dry. Don't wear gloves. Package contents: 1 x diamond tester, 1x Magnifying Glass,1 Size Measuring Set,2 size Adjusters,1 x leather case, 1 x test platform, 1 x user manual. This is a portable jewelry tool kit combo, suitable for handling any exposed or inlaid diamonds and gems, as well as other jewelry and precious metal items. Universal bushing for Concept 2 scull nylon oarlock - Filippi Boats When testing diamond, your right index finger must keep touching the metal panel on the back of the tester. If lights < 9 and no sounds, it is not diamond. The LED light pocket magnifier is ideal for rock collectors, coin collectors, jewelers, and hobbyists. If lights is 6 or 7, it is true jade. ARCELI Diamond Tester Pen-High Accuracy Jewelry If lights is 4 or 5, it is glass. The small portable electronic devices can be put in any wallet or backpack, and the operation is simple. It can also be used for testing sapphire, ruby, crystal, agate and other stones. Don't test metal，Don't wear gloves. Test Result Analysis: If lights = 9 and have sounds, it is true diamond. This product uses a dc9v battery (not including battery). Dupeakya diamond tester is an electronic instrument designed and manufactured according to the thermal conductivity of diamonds to identify the true and false diamonds. It is designed for quick, precise, and safe testing. Best to measure in no wind conditions. Jewelry Tester Reddit Diamond Tester Pen Jewelry Diamond Tester Jewelry Scale 60X Mini LED Jewelry Testing Kit
