About

Welcome to Horizon Gems

Welcome to Horizon Gems, your dedicated digital resource for precision gemstone faceting diagrams, gemological testing guides, and optical science insights. Based in Sri Lanka — the legendary "Rathnadweepa" (Gem Island) — our mission is to bridge traditional gemological wisdom with modern precision lapidary techniques.

Our Vision & Mission

At Horizon Gems, we aim to empower gem cutters, lapidary hobbyists, and professional gemologists worldwide with accurate, high-performance faceting designs and educational tools. Whether you are working with Quartz, Garnet, Sapphire, or Tourmaline, our guides provide exact index settings, critical angles, and step-by-step cutting instructions to unleash the maximum brilliance and light performance of every crystal.

What We Offer

• Precision Faceting Diagrams: Carefully calculated designs with complete pavilion/crown cutting sequences, index gear settings, and volume ratios.
• Gemological Instrument Guides: Detailed operational walkthroughs for key tools such as Spectroscopes, Refractometers, and 10x Loupes.
• Optical Science Insights: In-depth articles covering Refractive Index (R.I.), Dispersion, Critical Angles, and Light Absorption Phenomena.

Thank you for exploring the art and science of gemology with us. We invite you to study our guides, try our custom faceting diagrams, and enhance your lapidary craftsmanship.