DiamondNite Diamond Moissanite Tester will help you to differentiate between a real diamond and moissanite. With the touch of a button, the device can determine a fake diamond in just 1.5 seconds! No beep means it is a simulant, other than moissanite. The first continuous beep with a green light indicates that the stone is diamond; if it is followed by a higher pitched continuous beep and red light, then it is moissanite. So, this gadget will very useful for diamond buyer or diamond seller. This portable device price is $199.95. link

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