About Us
Diyonco was founded in 2016 as a testament to our commitment to diversification and growth. Our journey began in 2009 when our owner and director, Janaka Ambagahawatta, established GTel International, a telecommunication company catering primarily to the IT industry. Over the years, under his visionary leadership, we expanded our horizons, entering the supply chain, shipping, and gemstone sectors. This diversification led to the creation of Diyonco, symbolizing our broadened portfolio and dedication to innovation.
Our Mission
Shaping Brilliance Responsibly
At Diyon & CO., our mission is to provide globally conscious customers with access to ethically sourced, fine gemstone jewelry that tells a story of sustainability and exquisite craftsmanship. We strive to be more than a brand; we aim to be a beacon of responsible luxury, empowering individuals to make meaningful choices for the planet and their personal style.
Years Experience
Expert Partners
Happy Customers
global presence

H
Hi! I’m Janaka Ambagawatta, CEO of Diyonco.
Janaka Ambagahawatta began his
entrepreneurial journey in 2009 with GTel
International. His strategic vision and
leadership have been pivotal in diversifying the
business, leading to the establishment of
Diyonco in 2015. His commitment to innovation
and excellence continues to drive our success
across various industries.
Our Story
Crafting a Legacy of Brilliance
Our story begins with a vision to redefine the gemstone industry. Founded in 2016 in the vibrant city of Colombo, Diyon & CO. emerged as a response to the call for ethically-sourced, exceptional gemstones. Over the years, our commitment to sustainability, precision craftsmanship, and the allure of responsibly-sourced gemstones has shaped our legacy. Join us in celebrating the brilliance of our journey.
Customers love us
Here, we share the sentiments of individuals who have discovered the allure of our ethically-sourced gemstones. These heartfelt reviews are a testament to the craftsmanship, quality, and personalized service that define the Diyon & CO. experience.