GEMORO–The definitive source for jewelers' supply houses, chain stores, consumer electronics resellers & watch companies. GEMORO DIAMOND, MOISSANITE, WHITE SAPPHIRE & HPHT/CVD TESTERS GEM ORO Superior Instruments is a division of Sy Kessler Sales, Inc./ GEM ORO Products. As a world-renown manufacturer of the jewelry industry’s most innovative, quality-made, and feature-rich testing equipment, GEM ORO’s testers are considered the leaders in their class. The company owns several US PATENTS amongst its extensive list of Intellectual Property. As the premier manufacturer of testing instruments for over 50 years, GEM ORO specializes in diamond, moissanite, and white sapphire testing devices, including the famous TESTEROSSA , ULTRA TESTER 3+ , PRO-D 3, and PRO-M 3 . The company is also the exclusive master distributor for the leading HPHT/CVD lab grown detector from YEHUDA , called the Sherlock Holmes 3.0 . ULTRA TESTER 3+ The ultimate tester for diamond fraud protection! The GEM ORO ULTRA TESTER 3+ features NEW EXCLUSIVE UV-F1 MOISSANITE IDENTIFICATION TECHNOLOGY capable of detecting the widest range of the electrically conductive moissanite, including the new super-low electrically conductive Forever One moissanite. Read more GEMORO ULTRA TESTER 3+ The ULTRA TESTER 3+ comes with the perfect accessories for diamond and moissanite testing! GEMORO protective ballistic nylon carrying case Aluminum loose stone holder GEMORO Test Stone Cloth (3) user-replaceable AAA NiMH rechargeable batteries, a universal multi-voltage 100V-240V AC adapter / charger cube with premium micro-USB cord GEMORO ULTRA TESTER 3+ Identifies, detects, and separates diamond from CZ, moissanite, and white sapphire The sleek ergonomic shape of the ULTRA TESTER 3+ allows it to comfortably rest in your hand and its LED stone illumination makes it even easier to see what you're testing! With its intuitive finger grip pads and fast warm-up time, the ULTRA TESTER 3+ is the best in its class! Unique beep tones & PATENTED glowing probe tip and light pipe indication: GREEN = Diamond, BLUE = Moissanite, PINK = Sapphire and RED = Metal Alert May be used with optional EXCLUSIVE PATENTED GEMORO ULTRA DOCK 3 charging station and GEMORO Test Stone Magnifier attachment 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 Designed in the USA Read more DIAMOND The ULTRA TESTER 3+ glowing light bar / probe tip cone glows GREEN for DIAMOND detection. MOISSANITE The ULTRA TESTER 3+ glowing light bar / probe tip cone glows BLUE for MOISSANITE detection. WHITE SAPPHIRE The ULTRA TESTER 3+ glowing light bar / probe tip cone glows PINK for WHITE SAPPHIRE detection. METAL ALERT The ULTRA TESTER 3+ glowing light bar / probe tip cone glows RED for METAL detection. Read more