1) Easy to use even for a new beginner
2) Emit audible sounds to give accurate reading 3) Diamond indicator will be showed if the stone is a REAL diamond (Green light) 4) Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone ) 5) Large / small switch for testing diamonds +/ - 8 points 6) To emit sounds to give accurate reading 7) LCD display & LED indicator 8) If stone is Fake crystal a stimulant such as cubic zirconium (CZ) will be no reaction 9) Powered by DC 9V battery 10) Size: 164 x 42 x 22mm 11) Weight: 65g |
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