Professional Diamond Tester Pen – Instant Verification with Precision Alerts

The Diamond Tester Pen gives you fast diamond verification with clear, reliable feedback. This tool brings confidence to every check, whether you're assessing jewelry or loose stones.

Diamond Tester Pen – Benefits for You

✅ Get immediate confirmation so you never second‑guess a stone again.

✅ Enjoy dependable accuracy so you can evaluate pieces with real assurance.

✅ Adjust quickly for different gem sizes so you maintain smooth, uninterrupted testing.

✅ Carry it anywhere with ease so you can test stones on the spot whenever needed.

✅ Rely on simple operation so both beginners and seasoned jewelers can use it comfortably.

Take the guesswork out of stone identification and streamline your jewelry evaluations in seconds.

This handheld tester is built with a sturdy black body designed to fit naturally in your hand, offering a solid feel without unnecessary weight. Powered by a standard 9V battery, it stays simple to set up and dependable in daily use. The device also includes a platform for stabilizing loose gems, helping you focus on precision rather than fumbling with tiny pieces.

The pen-style design makes it easy to slip into a pocket or jewelry case, ensuring it’s always available when you need quick verification. Clear LED lighting and an audible alert combine to give unmistakable indicators, allowing you to work efficiently even in busy environments.

Its compact shape means you can keep it close during appraisals or while inspecting pieces from clients or suppliers.

The streamlined interface provides quick access to settings, supporting smooth adjustments as you switch from one stone to another.

A dedicated stone platform helps you keep even tiny gems steady, giving you more consistent and reliable readings.

The included carrying case protects your tool during travel, making it ideal for jewelers who work on the go.

Its lightweight feel helps reduce hand fatigue, especially useful when you’re examining multiple pieces in a row.

The included manual provides clear guidance, helping you get comfortable with each function quickly.

The slim probe allows precise contact with the surface of small stones without slipping or blocking your line of sight.

The bright LED indicator remains visible even under strong lighting, helping you stay confident during evaluations.

A simple battery compartment makes swapping power sources quick, keeping your workflow continuous.

Elevate your gem inspections with a tool designed for clarity, consistency, and everyday reliability.