* Prestige Series II Diamond Tester by Mizar

* Diamond tester with state-of-the-art technology

* Automatic and manual mode

* Linear display for increased information

* Adjustable gain for small stone sizes.

* Compensation for ambient temperature

* Fast warm up time - ten seconds

* Portable with one 9 volt battery (included)

* Auto shut-off with a push button switch

* Unique new anti-fade circuit which compensates for stone heating

* Low battery indicator for accurate readings

* Two year warranty