Product overview Handheld, portable electronic tester that quickly distinguishes real diamonds and other simulated stones using clear visual indicators. Designed for both beginners and experienced jewelers who need fast, reliable screening. Key benefits & why you need it Instant diamond verification: the diamond indicator emits a green light when a real diamond is detected, so you can make confident decisions on the spot. Simple, reliable operation: a large/small switch for testing and 8 points, an LCD display, and an LED indicator keep results easy to read and interpret with minimal training. Broad screening capability: the Professional Selector indicates or fake stones and the unit can identify real crystals, jade, and glass while also alerting you if the probe contacts metal. Portable and practical: compact electronic design lets you carry it to shows, shops, or inspections for immediate, nondestructive testing. Main features Diamond detection light: green LED confirms real diamonds. Professional Selector: indicates vs fake on the device. LCD display + LED indicator: clear, readable test results for quick decisionmaking. Large/small switch: selectable testing modes and 8 points function as provided on the unit. Comprehensive alerts: distinguishes crystals, jade, and glass; warns if the probe touches metal to prevent false readings. Portable electronic device: designed for field or use. Typical applications Jewelry stores and appraisers: screen inventory or incoming tradeins before detailed lab testing. Buyers and private collectors: verify stones at estate sales, auctions, or private sales prior to . Pawn shops and technicians: perform quick checks on mounted or loose stones without removing settings. What to expect Fast visual results via LCD and LEDs. Straightforward controls suited to novice and expert users. A compact, portable tool for initial stone identification; followup lab testing recommended for certification when needed.