Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tool for Jewelry Jade Ruby Stone

Features

• This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond tests.
• An excellent tool kit for the diamond tester, suitable for handling any exposed or inlaid diamonds and gems, as well as other jewelry and precious metal items.
• The diamond detector with voice instructions and audible sounds are emitted when the lights are on so that you can easily distinguish between masonry and stone.
• The small portable electronic devices can be put in any wallet or backpack, and the operation is simple. As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained.
• Package contents: 1 x diamond tester, 1 x leather case, 1 x test platform, 1 x user manual. This product uses a dc9v battery (not including battery).