About Shriyan Diam Co. Ltd.
Shriyan Diam Co. Ltd., founded in 2025 headquarter at Bangkok, Thailand has been a trusted name in the natural diamond manufacturing and wholesale industry. We specialize in supplying certified natural loose diamonds to jewellery manufacturers, wholesalers, retailers, and designers across domestic and international markets.
Our expertise includes Round Brilliant and Fancy Shape diamonds, carefully selected and graded to meet international standards of quality, brilliance, and precision. Every diamond reflects our commitment to excellence and consistency.
Built on transparency, ethical sourcing, competitive pricing, and long-term partnerships, we continue to deliver premium natural diamonds while maintaining the integrity of the global diamond supply chain.
Our Purpose
Guided by integrity, innovation and excellence, Shriyan Diam is committed to delivering ethically sourced natural diamonds while creating lasting value for customers, partners and future generations.
To craft exquisite, sustainably sourced natural diamonds that honour both people and the planet through complete transparency and responsible sourcing.
To deliver breathtaking, conflict-free natural diamonds that celebrate life's most precious moments with unmatched brilliance and precision.
To transform the diamond industry through advanced craftsmanship, innovation, and uncompromising ethical standards.
To become the global benchmark for responsible luxury, trusted partnerships and excellence in natural diamonds.
To redefine modern luxury by making brilliant, ethically crafted natural diamonds accessible for generations to come.
To inspire a cleaner, more transparent diamond industry where every stone tells a story of integrity, craftsmanship and timeless beauty.
Corporate Responsibility
At Shriyan Diam, ethical sourcing, transparency, and sustainability are the foundation of every diamond we offer. We are committed to responsible business practices that inspire confidence and trust.
Committed to responsible sourcing and global ethical standards.
We strictly adhere to internationally recognized ethical sourcing standards and ensure that every diamond is conflict-free.
Every certified diamond includes complete provenance documentation, allowing customers to trace its journey from origin to retail.
We collaborate exclusively with trusted suppliers who uphold human rights, environmental responsibility, and fair labour practices throughout the supply chain.
Our Collection
Calibrated to exact millimeter dimensions for flawless setting fit, exceptional brilliance, and consistent quality for luxury jewellery manufacturing worldwide.
Precision-Cut Loose Diamonds in Every Size & Shape
Explore our premium assortment of certified loose natural diamonds, precision-cut to exact millimeter dimensions for jewellery manufacturers, wholesalers, retailers, and luxury brands. Every diamond is carefully selected for brilliance, symmetry, consistency, and exceptional craftsmanship.
Calibrated millimeter dimensions from 0.8mm to large focal carat sizes, ensuring precise setting and perfect consistency.
Expertly graded for color, clarity, cut, and symmetry to deliver uniform batches and exceptional standalone stones.
Optimized cut proportions designed to maximize light performance, brilliance, and seamless jewellery setting.
Corporate Policy
Commitment towards responsible sourcing, ethical business practices, sustainability and long-term customer relationships.
✓ Prioritize innovation to improve systems at all levels
✓ Actively follow market developments
✓ Build meaningful relationships with our customers
✓ Give product quality the utmost importance in our endeavour
✓ Provide outstanding service to all our customers
✓ Develop a responsible supply chain
✓ Reducing the consumption of resources by reusing & recycling
✓ Provide employment locally and globally
✓ Supporting growth of employees along with community development
✓ Establishing a safe & healthy work environment
✓ Prevent money laundering and terrorist financing
✓ Prevent bribery and facilitation payments
✓ Prevent child labour, forced labour & human trafficking
✓ Uphold human rights of everyone
✓ Create an atmosphere of inclusivity & equality
Managing Director
Contact Us
Whether you're a wholesaler, jewellery manufacturer, retailer, or designer, our team is ready to help you source premium certified natural diamonds.
Harshit Katta
+66 661217723
shriyandiam@gmail.com
Room No. 403, 4th Floor,
116 Sirikorn Building,
Mahaset Road, Siphaya,
Bangrak, Bangkok 10500,
Thailand
Shriyan Diam Co. Ltd. supplies certified natural loose diamonds to jewellery manufacturers, wholesalers and retailers worldwide. Contact us for inventory availability, pricing, certification, and export enquiries.