The GemTrue APEX 5-in-1 Diamond Tester is an essential tool for jewelers, gemologists, and diamond enthusiasts who need reliable authentication of precious stones. This advanced device goes beyond basic diamond testing by identifying natural diamonds, moissanite, and lab-grown diamonds with professional-grade accuracy. The intuitive touchscreen interface makes operation simple and efficient, while the auto-calibration feature ensures consistent, precise results every time you test. Whether you're verifying the authenticity of a vintage engagement ring, evaluating new inventory, or assessing estate jewelry, this comprehensive tester provides the confidence you need. The sleek, ergonomic design fits comfortably in your hand for extended use, and the clear display with color-coded indicators makes reading results quick and straightforward. This professional-grade instrument combines five testing functions in one portable device, eliminating the need for multiple tools and streamlining your authentication process. Each purchase includes a complimentary Rosenthal Collection polishing cloth to keep your gems sparkling.