Diamond Tester Pen Thermal Conductivity Gemstone Identification Tool

Diamond Tester Pen Thermal Conductivity Gemstone Identification Tool

Instantly Verify Diamonds & Gemstones with Confidence

Whether you're a jeweller, gemstone dealer, collector, pawnbroker, or jewellery enthusiast, accurately identifying precious stones is essential. This Diamond Tester Pen Thermal Conductivity Tool provides a fast, convenient, and non-destructive way to verify diamonds and assess gemstones using advanced thermal conductivity detection technology.

Compact, lightweight, and easy to operate, this tester helps reduce costly mistakes and provides greater confidence when buying, selling, or evaluating gemstones.

Why Choose This Diamond Tester Pen?

Fast & Reliable Diamond Identification

This electronic tester is specifically designed to identify diamonds by measuring thermal conductivity.

When the probe touches a genuine diamond:

✔ Instant response
✔ Audible buzzer alert
✔ Visual LED indication
✔ Quick verification results

Helping you identify diamonds within seconds without requiring professional laboratory equipment.

Suitable for Multiple Gemstones

In addition to diamond testing, this versatile tool can assist in assessing the hardness and characteristics of various gemstones, including:

✔ Jade
✔ Jadeite
✔ Crystal
✔ Precious stones
✔ Semi-precious stones

An excellent addition to any jewellery toolkit.

Non-Destructive Testing

Test valuable jewellery and gemstones without causing scratches or damage.

Benefits include:

✔ Safe testing process
✔ No damage to stones
✔ No damage to jewellery settings
✔ Repeatable testing whenever required

Ideal for professionals and private collectors alike.

Easy-to-Read LED Indicator System

The built-in three-colour LED indicator provides clear visual feedback during testing.

Testing results are displayed through graduated indicator levels, making interpretation simple and straightforward.

✔ User-friendly operation
✔ Fast visual identification
✔ Easy learning curve for beginners

What Makes This Product Unique?

Thermal Conductivity Detection Technology

Unlike visual inspection methods that rely on experience and judgement, this tester measures the thermal conductivity properties of gemstones.

This helps provide:

✔ More consistent results
✔ Improved testing confidence
✔ Faster gemstone verification
✔ Reduced risk of misidentification

Pocket-Sized Professional Tool

With a compact size of just 41 x 155 x 21mm and weighing only 57g, this tester is easy to carry anywhere.

Perfect for:

• Jewellery stores

• Pawn shops

• Gemstone exhibitions

• Auctions

• Trade shows

• Home use

Professional testing capability in a portable format.

Durable Construction

Manufactured using a combination of quality plastic housing and alloy probe components.

✔ Lightweight design
✔ Comfortable handling
✔ Durable construction
✔ Long-term reliability

Why Is Our Price Higher Than Some Other Sellers?

Many low-cost gemstone testers available online may look similar but often suffer from:

❌ Inconsistent readings
❌ Poor sensor accuracy
❌ Inferior probe quality
❌ Shorter service life
❌ Low-quality internal electronics
❌ Unreliable testing performance

Our testers are selected for customers who value dependable performance, accurate testing, and quality construction. Each unit is carefully inspected before dispatch to ensure it meets quality standards.

When dealing with valuable diamonds and gemstones, reliable results are worth the investment.

Key Features

✔ Diamond thermal conductivity testing
✔ Audible buzzer indication
✔ LED visual display system
✔ Suitable for diamonds and gemstones
✔ Non-destructive testing method
✔ Compact pocket-sized design
✔ Easy operation
✔ Lightweight construction
✔ Ideal for professional and personal use

Specifications

• Product Type: Diamond Tester Pen

• Material: Plastic + Alloy Probe

• Power Supply: 1 x 9V Battery (Not Included)

• Operating Temperature: 5°C – 35°C

• Dimensions: 41 x 155 x 21mm

• Net Weight: 57g

• Detection Method: Thermal Conductivity Testing

Important Testing Notes

• The gemstone should be clean, dry, and at room temperature.

• The probe must be held at a 90-degree angle to the surface being tested.

• Follow the indicator scale instructions for accurate testing results.

Package Includes

1 x Diamond Tester Pen Thermal Conductivity Gemstone Identification Tool

Verify diamonds quickly, test gemstones confidently, and avoid costly purchasing mistakes with this compact and reliable gemstone testing solution.