Ratna-DweepaThe Island of Gems
Sri Lanka · The Island of Gems
Sri Lanka’s
Gem Heritage
From a precious past to a brighter tomorrow—gem mining, gemstone trading, export and practical education from one experienced Sri Lankan company.
8Years in the
gem industry
gem industry
4Years in gem
education
education
Discover · Learn · GrowNature’s legacy.
A brighter tomorrow.
A brighter tomorrow.
Centuries of TradeA respected global heritage
RatnapuraSri Lanka’s City of Gems
Ceylon GemstonesAdmired around the world
Our company
One company.
Two focused brands.
Gemszen (Pvt) Ltd is the parent company operating both Balasooriya Gems and Gemszen Academy of Gemology.
Many clients and students know our founder by the name “Balasooriya.” That trusted recognition is why this website carries the Balasooriya Gems name—while representing the full range of expertise and services delivered through Gemszen (Pvt) Ltd.
Balasooriya Gems
Gem mining, gemstone buying and selling, and international gem export services.
Gemszen Academy of Gemology
Practical, industry-focused gem education developed for beginners and future professionals.
Official registration
Gemszen (Private) Limited
Registered in Sri Lanka as a private company under the Companies Act No. 7 of 2007.
- Company number
- PV 00297367
- Registered country
- Sri Lanka
Leadership
Experience grounded
in the real industry.
J B D H K Balasooriya is the Managing Director of Gemszen (Pvt) Ltd and a lecturer at Gemszen Academy of Gemology. With eight years of experience across gem mining operations, buying and selling, export and education, his work connects practical field knowledge with business understanding.
J B D H K BalasooriyaManaging Director · Gemszen (Pvt) Ltd
Lecturer · Gemszen Academy of Gemology
Lecturer · Gemszen Academy of Gemology
What we do
Complete gem-industry services.
Gem Mining
Practical involvement in Sri Lankan gem-mining operations, supported by field experience and responsible industry knowledge.
Gem Buying & Selling
Guidance and services for natural gemstone purchasing and selling, with attention to identity, quality, treatment and value.
Gem Export
Support for presenting Sri Lankan gemstones to international markets through professional export and business practices.
Gem Education
Practical gemology and gem-business education that connects classroom knowledge with field and market exposure.
Awards & Recognition
Recognition earned
through trusted service.
Honouring the achievements of Gemszen (Pvt) Ltd and its leadership in Sri Lanka’s gem industry.
2024 · PEOPLE’S PINNACLE
Best Gem Trading Company of the Year
Awarded to Gemszen (Pvt) Ltd at Sri Lanka Pinnacle 2024.
2024 · GOLDEN FEATHER AWARDS
Platinum Award
Presented to Gemszen (Pvt) Ltd and Mr. J. Balasooriya Don Hasitha Kumara Balasooriya.
Industry Connections
Connected with respected
names in the gem industry.
Professional relationships and shared industry moments that reflect active engagement within Sri Lanka’s gem and jewellery sector.
With Subash Gems
A professional industry meeting at a Sri Lankan gem and jewellery exhibition.
With Winil Gems
A valued connection within Sri Lanka’s established gem-industry network.
Industry Experience
Present where the
gem world connects.
Selected moments from gem and jewellery exhibitions, international industry engagement and professional gem-mining discussions.
01
Sri Lanka Gem Exhibition
Industry connections, gemstone examination and exhibition experiences in Sri Lanka.
02
Japan Gem Exhibition
International exposure and professional engagement within Japan’s gem and jewellery market.
03
Gem Mining Conference 2025 · BMICH
Professional knowledge-sharing and discussion on Sri Lanka’s gem-mining industry.
Global Event Directory
Follow the world’s leading
gem & jewellery events.
Direct links to official event websites for schedules, visitor registration and exhibitor information. Event details can change, so always confirm travel plans with the organiser.
01
Upcoming in 2026
Confirmed events from September onward.
04–08 SEP 2026
Vicenzaoro September
Vicenza, Italy
Official website ↗
08–12 SEP 2026
Bangkok Gems & Jewelry Fair
Bangkok, Thailand
Official website ↗
14–20 SEP 2026
Jewellery & Gem WORLD Hong Kong
Hong Kong · Two venues
Official website ↗
28–30 OCT 2026
International Jewellery Tokyo Autumn
Yokohama, Japan
Official website ↗
12–15 NOV 2026
GemGenève Abu Dhabi
Abu Dhabi, UAE
Official website ↗
15–17 DEC 2026
Jewels 2026
Sri Lanka
Official listing ↗02
Sri Lanka Events
Important upcoming platforms for Sri Lankan gems, jewellery and export trade.
03
Major Global Exhibitions
Official portals for internationally recognised annual shows.
Practical education
Learning beyond
the classroom.
For four years, Gemszen Academy of Gemology has helped students build practical understanding through structured lessons, real mining-site exposure and direct observation of industry processes.
01
Classroom Workshops & Gem Identification
Interactive teaching, practical gemstone observation and guided student activities.
02
Field Education & Mining Experience
Direct exposure to gem-mining sites, equipment, processes and field identification.
03
More Practical Programmes
Selected moments from our continuing field-based learning activities.
Gemstone knowledge
Nature’s rare materials,
understood with care.
01 · CORUNDUM
Blue Sapphire
Sri Lanka is celebrated for blue sapphires with attractive colour and brilliance. Value depends on colour, clarity, cut, carat weight, origin and treatment status.
02 · CORUNDUM
Ruby
Ruby is the red variety of corundum. Its most important value factor is colour, followed by clarity, cut, size, origin and any treatment.
03 · COLOURED GEMS
Exceptional Colours
Padparadscha and yellow sapphires, tourmalines and many other coloured stones each have distinctive beauty, properties and market considerations.
Gemstone visuals in this section are AI-generated for presentation. Individual stones should always be assessed and documented separately.
Connect with us
Begin your gem journey
with trusted guidance.
Contact us for gemstone enquiries, gem-business services, export discussions or education programmes.
Chat on WhatsApp ↗