Professional High Accuracy Diamond Tester

Ultra-Precise Detection
– Advanced thermal conductivity sensor instantly identifies diamonds, moissanite, and synthetic gems with pinpoint accuracy.
Premium Craftsmanship
– Rugged aerospace-grade aluminum alloy casing with anti-slip grip for steady handling. Scratch-resistant LED display ensures long-term durability.
One-Button Operation
– Simple press-and-read function with audible/visual alerts (green/red LED + beep). No calibration needed—ready to use out of the box.
Wide Applications
– Ideal for jewelers, pawnshops, gem collectors, and luxury watch dealers. Perfect for auctions, lab testing, or field inspections.
Portable & Efficient
– Compact pen design (5.2”) fits in pockets or toolkits. Powered by 2x AAA batteries (included) for 50+ hours of continuous use.
Certified Reliability
– Lab-tested to distinguish between natural diamonds (0.01ct–10ct) and imitations like CZ or glass. Includes protective cap and velvet pouch.
Best Value Guaranteed
– Wholesale pricing for bulk orders. Ships globally with 24/7 customer support. Trusted by 10,000+ professional buyers.