We are proud to present the world’s finest collection of natural gemstones and exquisite jewelry, curated with an emphasis on beauty and rarity. At CGA, we offer an unmatched selection of high-quality sapphires, rubies, emeralds, and a wide variety of precious and semi-precious stones, each chosen for its exceptional allure and value.
Every gemstone in our collection is thoroughly evaluated by our professional gemologists using the 4Cs—color, clarity, cut, and carat weight—to ensure an accurate and comprehensive analysis. This meticulous approach highlights the unique brilliance, vivid color, and rare qualities that make each stone truly exceptional.
With over 30 years of experience, CGA has become one of the most respected gemstone and jewelry retailers both locally and internationally. We are committed to providing only the highest quality products and always strive to exceed our customers’ expectations.
At CGA, we aim to make every experience with us memorable, offering not only extraordinary gemstones but also the expertise and guidance to help you appreciate their true beauty and rarity.

Our Staff
H. B. N. D. D. Bandara
Founder

- Applied Jewelry Professional (AJP) Diploma at Gemological Institute of America (GIA),California.USA
Jewellery Essential Certificate
Diamand Essential Certificate
Colored Stone Esssential Certificate - MA in Marketing and Innovation at Anglia Ruskin University.UK
- ABP Postgraduate Diploma Business and Marketing Strategy at Anglia Ruskin University.UK
H. B. A. S. Bandara
Marketing Manager
T. A. Munasinghe
Marketing Manager