Diamond Seletor

Rechargeable Battery(DC9V),AC100-240V Charger
U.V.Light
High Quality,Test Dimond As Small As 1pt. 
Rechargeable Battery（DC9V）With AC100-240V AC Charger, And Mains(Full Charged). 
Ultraviolet Light Allows You To Test Fluorescent Reaction Under U.V.Light.Not Affected By Ambient Temperature. 
Diamond Tester Is Used For Testing Genuine Diamond Or Not
This Instrument Can Be Used To Test The Minutest Diamond, As Small As 0.02 Carats. 
It Can Also Separate Colored Stones From One Another.