1pcs diamond tester Portable Gemstone Selector Tool Accurate Jewelry Test
Description:
Emits audible sounds to give accurate reading
Diamond indicator will be showed if the stone is a REAL diamond, and beeping sound (The bigger the size of the stone is, the more pieces of the red lamp box of the level meter light up.)
Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone )
If stone is Fake crystal, there will be no beeping sound, no red lamps light on
