Welcome to CSB Gem Store

your trusted destination for authentic Sri Lankan gems.

Located in Ratnapura, the popular “Gem City”, we offer ethically sourced, certified gems that reflect Sri Lanka’s rich heritage and natural brilliance. Our collection features hand-selected gems from sapphires, to spinel, to quartz – all carefully crafted by expert gemologists.

At CSB, we combine tradition, transparency and global standards to ensure that every gem tells a story of timeless beauty and trusted provenance.

Let your gem journey begin here – with brilliance you can trust.

Our Mission

Our mission is to deliver authentic, certified Sri Lankan gemstones to the global market through ethical, transparent, and personalized service.
We are dedicated to preserving the traditions of Sri Lanka’s gem industry while promoting gem education, innovation, and long-term sustainability with global accessibility.

Our Vision

Our vision is to become a globally trusted source for authentic, ethically sourced gemstones that reflect the beauty of nature and the heritage of Sri Lankan craftsmanship.
By offering expertly curated gems and empowering the next generation through knowledge and transparency, we strive to lead the global gem industry with integrity.

Each gem in our collection is hand-selected by experts and certified for quality, ensuring you receive not just a product, but a piece of timeless natural art. We are proudly based in Rathnapura, the gem capital of Sri Lanka, and our heritage is built on generations of gem knowledge and craftsmanship.

At CSB Gemstore, we also believe in empowering others with knowledge. Our educational courses help both beginners and professionals deepen their understanding of gemology, while our blog shares rich insights and facts about the world of gems.

Why Choose Us

💎 Authentic & Certified Gemstones

Every gemstone we offer is handpicked and certified for authenticity, ensuring you receive only the finest natural stones.

🌍 Ethically Sourced from Sri Lanka

We work directly with trusted local miners and suppliers to bring you ethically sourced gems, upholding fair trade and sustainability.

🏆 Expert Knowledge & Heritage

With deep roots in Sri Lanka’s gem trade, our team offers expert advice backed by generations of experience and passion for gemology.

🌐 Global Shipping & Trusted Service

Whether you’re buying locally or internationally, we ensure secure packaging, timely delivery, and responsive customer support.

💰 Transparent Pricing

Our pricing is fair, clear, and competitive — no hidden costs, only honest value for exceptional quality.