DIAMOND TESTER SELECTOR II HIGH QUALITY FROM JAPAN

BRAND NEW IN BOX With Leather Case and Batteries. Features: Can be used on any shape, tapered, melled, round, rough, etc. and any size of stone from 0.02 carat and up Dual indicator, a sound signal and a level meter light display featuring segments in two colour range. A diamond indicator (a green light) will illuminate if the stone is a diamond Metal alert that gives a long loud, low tone buzzer/beep warns you the probe comes into contact with metal Provides adjustable sensitivity that can be varied according to the size of the stone and the ambient temperature Comes with handy design and amazingly compact and with low battery consumption Powered by 1 DC 9V battery, totally portable and reliably independent 7 second warm-up time with a 150 second shut off alarm If stone is a simulant such as cubic zirconium (CZ), nothing happens (except with synthetic moissanite)