GemOro Testerossa features capable of identifying the widest range of the electrically conductive moissanite material available, including the new super low electrically conductive moissanite.

Identifies, detects and separates diamond from copies, moissanite and white sapphire
Sleek ergonomic shape comfortably rests in and on your hand when held
Intuitive finger grip pads for increased user-friendliness and ease of use
LED stone illumination and UV fluorescence detection
Precision retractable probe-tip with enhanced durability
Indestructible polycarbonate housing with molded rubber base for increased impact resistance if dropped
Fast 25 second warm-up time
User programmable talking voice alert in 9 languages: English, German, Italian, Spanish, French, Russian, Mandarin Chinese, Japanese, Arabic or ringtone sounds
Glowing light bar / probe tip cone for quick stone identification
GREEN = Diamond,
BLUE = Moissanite,
PINK = Sapphire 
RED = Metal Alert

Identifies genuine sapphire watch crystals.

Metal alert warning feature informs you if the setting is touched.

Powered by micro-USB or with its included 3 AAA rechargeable NiMH batteries (user may substitute 3 AAA alkaline batteries if desired).

Auto-off function if accidentally left on preserves battery life