Second Generation Diamond Thermal Conductivity Meter for Gem Identification

This second generation diamond thermal conductivity meter offers a straightforward solution for distinguishing genuine diamonds from imitations. Designed for jewellers, gemmologists, and diamond buyers, the instrument measures heat transfer through a stone to indicate its authenticity. With a compact build and simple operation, it provides results via LED lights and an audible beep without requiring complex training. The device is powered by a 9V battery, making it suitable for use in shops, workshops, or on-site evaluations.

Features and Construction

Built from metal and engineering plastic, this tester balances durability with portability. Its compact dimensions and lightweight design allow for easy handling during gemstone testing sessions.

Material and Build

The metal probe and back plate ensure effective thermal conductivity during testing, while the engineering plastic body keeps the instrument lightweight. The second-generation design improves on early models for consistent performance.

Size and Practical Fit

Measuring 135x40x23 mm and weighing 66 grams without battery, the tester fits comfortably in the hand and can be stored in a small case or drawer. Its portable size is ideal for mobile gem testing.

Uses and Placement

This thermal conductivity meter is primarily used for diamond identification and gem hardness testing. Its straightforward operation makes it suitable for both professional and occasional use.

Event or Professional Use

Jewellers, gemmologists, and pawnbrokers can rely on this device for quick on-site verification during transactions, helping to confirm the authenticity of diamonds in rings, necklaces, and other pieces.

Everyday Home Use

Hobbyists and collectors can use the tester to check stones at home or at gem fairs, providing peace of mind before purchasing second-hand or unverified jewellery.

Benefits and Buying Value

The tester offers a practical alternative to lab analysis, giving users an immediate result without costly equipment or delays. Its simple interface and clear outcome reduce the risk of misidentification.

Reuse and Low Maintenance

Powered by a standard 9V battery, the instrument requires no special maintenance beyond occasional battery changes. The metal and plastic construction is designed for repeated use in daily applications.

Why Choose This Product

With its clear 10-light display and audible confirmation, this second-generation thermal conductivity meter provides a dependable method for diamond testing. Its compact size and battery operation make it a convenient tool for professionals and enthusiasts alike.