Ensure every sparkle is the real thing with the High-Accuracy Diamond Tester Pen, a compact and reliable tool for verifying the authenticity of diamonds and moissanite. Whether you're a jeweler, collector, or everyday buyer, this professional diamond selector gives you fast, accurate results—right at your fingertips. No guesswork. No lab needed.

Key Features

• Instantly identifies real diamonds and moissanite from fakes

• Simple one-button operation with LED indicator and beeping alert

• Works on loose stones or mounted jewelry

• Compact, pen-style design with grip for comfortable use

• Includes protective case and calibration tools

Why Choose Our High-Accuracy Diamond Tester Pen

Unlike low-grade testers that give inconsistent results, this unit is designed for precision, stability, and ease of use. Whether you're shopping secondhand, checking estate jewelry, or managing inventory, it’s the essential pocket tool that gives you confidence with every stone.

Perfect For

• Jewelry store owners and appraisers

• Collectors and buyers of fine jewelry

• Estate sale shoppers and online resellers

• Gifting with high-value stones

• Verifying diamonds at home or on the go

Know What You're Holding—In Seconds
Bring lab-grade testing into your hands and never second-guess a stone again. Fast, portable, and easy to use—this diamond tester belongs in every jewelry kit.