HMKIS Knowledge Base

Expert insights, tutorials, and the science behind professional gemstone identification.

UV light diamond fluorescence
Identification Tips

How to Spot Moissanite Using UV Light

Learn how to quickly distinguish natural diamonds from Moissanite using a 365nm UV light to observe fluorescence and double refraction.

Read Full Article
Diamond tester circuit and heating probe
Tech Insights

How Thermal Testers Work: Innovations & Limitations

Discover the copper heating principle, why HMKIS added USB power, and how to overcome the limitations of testing Moissanite and Sapphires.

Read Full Article
Natural ruby identification
Gemstone Identification

How to Identify a Real Ruby

Discover the secrets of Pigeon Blood color, pleochroism, and why natural flaws are actually the best proof of a genuine ruby.

Read Full Article
Diamond formation in Earth's mantle
Geological Science

The Journey of a Diamond: Formation & Science

Discover how diamonds are formed deep within the Earth and why their unique carbon structure gives them extreme thermal conductivity.

Read Full Article
Diamond engagement ring symbolizing love
Jewelry Culture

Beyond the Sparkle: Diamonds & Love

Discover the romantic history of diamonds. Learn why this indestructible stone became the ultimate symbol of eternal love, and why authenticity matters.

Read Full Article
Diamond formation in Earth's mantle
Geological Science

The Journey of a Diamond: Formation & Science

Discover how diamonds are formed deep within the Earth and why their unique carbon structure gives them extreme thermal conductivity.

Read Full Article