The diamond selector can effectively distinguish natural diamond from its simulants (except for moissanite), so it is able to rule out all other simulants, such as Cubic Zirconia, YAG, GGG, etc.

Accurate, compact and portable.
2 kinds of sounds and 3 kinds of LED colors indicate testing result.
Metal warning buzzer.
Use DC 9V, 6F22 battery
Limited three year warranty