Professional Diamond Tester Pen – Portable High-Accuracy Gemstone Detector for Jewelers

Ensure your gemstones are genuine with this Professional Diamond Tester Pen. Designed for jewelers, collectors, and gemstone enthusiasts, this portable tool provides fast, accurate, and reliable results.
Featuring advanced thermal conductivity detection, it helps distinguish real diamonds from moissanite, cubic zirconia, and other gemstones.

Its compact size makes it ideal for both in-store and on-the-go testing, giving you the confidence to verify authenticity anytime, anywhere.

Specifications:

Key Features:

• 🔹 High-Precision Detection:

  • Accurately identifies diamonds using advanced thermal conductivity technology.

  • LED indicator bar for easy reading:

    • 5 lights → Glass

    • 5-6 lights → Jade

    • 5 lights → Cubic Zirconia

    • 7 lights → Gemstone Crystal

    • 9 lights → Diamonds & Moissanite

• 🔹 Easy to Operate:

  • Insert the battery and power on the device.

  • Set the indicator to the fourth mark for accurate readings.

  • Hold the back metal plate with your finger and position the probe perpendicular to the stone.

  • Diamonds will light up to the ninth segment and emit a clear beep sound.

• 🔹 Compact & Portable:

  • Lightweight design, perfect for travel or in-store testing.

  • Fits easily into your pocket or toolkit.

• 🔹 Complete Testing Kit:
  Includes everything you need to start testing:

  • 1 x Diamond Tester Pen

  • 1 x Testing Platform

  • 1 x User Manual

• 🔹 Important Notes:

  • Not suitable for testing metals like gold or silver (may give false readings).

  • Avoid testing in windy or unstable environments.

  • Reset to the fourth mark before each test.

  • Turn off the device after use to conserve battery life.

Why Choose This Diamond Tester?

Whether you’re a jeweler, pawnshop owner, or gemstone collector, this tester offers instant, professional-grade results. Its accuracy and portability make it a must-have tool for anyone dealing with precious stones.