Professional Diamond and Gemstone Testing
This high-quality thermal conductivity tester is designed for accurate identification of diamonds and gemstones.
Key Features
- Tests diamond authenticity using thermal conductivity
- Assesses gemstone hardness and quality
- Easy-to-use interface with colour-coded LED indicators
- Preheats for accurate testing
Operating Instructions
- Turn on the device and allow it to preheat for approximately 1 minute.
- Ensure the test object is clean and free of grease.
- For diamond testing, touch the test head to the stone vertically and lightly.
- For gemstone testing, refer to the colour-coded LED indicators for hardness assessment.
Safety Precautions
- Avoid testing metal objects.
- Do not touch the test head with your bare hands or damp objects.
- Remove gloves before testing to ensure accurate results.
| Gemstone | LED Indicator | Interpretation |
|---|---|---|
| Diamond | 9+ (Red) with beep | Authentic diamond |
| Crystal | 6th light | Hardness 6-7, meets crystal hardness standard |
| Jade | 6th light | Good quality |




