Who We Are

About Samdimon Co., Ltd.

Established in 1997 by visionary entrepreneur Keyur Sureshchandra Gandhi, our company has grown into a prominent force in the global diamond and jewelry industry. Mr. Gandhi, who relocated to Bangkok, Thailand, in 1997, laid the foundation for our success with a keen insight into international markets and a commitment to excellence. Today, headquartered in Bangkok, we operate offices across Thailand, Hong Kong, Dubai, and India, enabling us to serve clients worldwide with unparalleled efficiency and reach.

Our Team

Keyur Sureshchandra Gandhi
Founder & Chairman
Born in 1975 in Surat, India, Keyur Sureshchandra Gandhi, son of industry veteran Suresh Gandhi, began his journey in the diamond trade with a move to Japan in 1996 for advanced training. He settled in Bangkok, Thailand, in 1997, founding our company focused on polished diamond trading. In charge of sales and client relations, Mr. Gandhi leverages his extensive Asian market expertise to build enduring partnerships. He founded our company in 2003, starting with polished diamond trading in Bangkok, Thailand and has expanded to currently having operational offices in Dubai, Hong Kong, and India.
Samuel Keyur Gandhi
Co-Director
Born in 2000, Samuel Keyur Gandhi completed his education in Thailand and the United States, blending Eastern and Western perspectives. He joined the family business in 2022, dedicating two years to mastering rough diamonds in Surat, India, where he excels with deep expertise in sourcing and evaluation. Today, Samuel travels globally to attend diamond tenders, forging key connections worldwide. He is also actively involved in diamond trading and jewelry sales, with an extensive focus on European and American markets. As Co-Director alongside his father, Keyur Gandhi, and uncle Jigar Gandhi, Samuel upholds the company's legacy of excellence and innovation, ensuring sustainable expansion across rough diamonds, polish trading, and fine jewelry.
Jigar Sureshchandra Gandhi
Co-Director
Born in 1977, Jigar Sureshchandra Gandhi, brother of founder Keyur Gandhi, brings decades of specialized expertise to our leadership team. With a sharp focus on purchasing loose diamonds in Mumbai, India—the heart of the global diamond trade—he ensures a steady supply of premium quality stones. Jigar excels in sourcing of round and fancy shape diamonds weighing 0.50ct and below, helping fulfil client demands across all of our operating markets. His meticulous sourcing supports our operations in polished trading.

Our Jewellery

Why Us?

Trusted Legacy

Established in 1997, we bring deep industry expertise, guided by a family-led ethos of integrity, transparency, trust, and lasting relationships worldwide.

Quality Craftsmanship

From ethically sourced diamonds to precision manufacturing, every piece is crafted with uncompromising quality, refined finishing, and meticulous attention.

Global Presence

With offices in Bangkok, Hong Kong, Dubai, and India, we deliver seamless service, efficient logistics, and strong market insight globally.

End-to-End Expertise

From rough diamond processing to bespoke jewellery manufacturing and trading, we provide complete solutions across all sizes and shapes.

Crafting Brilliance

From ethically sourced rough diamonds to finely crafted jewellery, every creation reflects precision, passion, and timeless artistry.

Our Client

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