Key points
- , the Bangkok arm of KGK Group, is located in the Gems Tower, Suriyawong, Bangrak, and is a major supplier of loose diamonds and diamond jewellery in Bangkok’s famed gem trade district.
- With transparency, craftsmanship and network expansion at its core, KGK is helping to shape Bangkok’s role not just as a regional gem centre, but as a global diamond and jewellery powerhouse.
- In 2015, KGK established the jewellery manufacturing unit in Bangkok dedicated to producing silver pieces, which added to its global footprint of facilities in India, Botswana, Namibia, Angola and China.
Bangkok Diamonds: A legacy born over a century ago
What began in 1905 with Shri Keshrimalji Kothari trading coloured gemstones between Jaipur and Burma has today become KGK Group—one of the world’s leading vertically integrated giants in the gems, diamonds and jewellery industry. Headquartered in Hong Kong but with deep roots across Asia, Europe, Africa and the Americas, KGK has grown under the guiding visions of its founders and successive leaders, preserving tradition while scaling into modernity.
KGK is one of the largest wholesaler of polished natural diamonds in many cities around the world including Bangkok
Image Credit: KGK Group
KGK traces its origins to gems trading, branching into coloured stones, diamonds, manufacturing, real estate and retail. Its vertical integration—from mining to retail brands—gives it strong competitive advantages. This Bangkok Diamonds news report reveals that KGK’s Thailand operation, notably a jewellery manufacturing unit in Bangkok, plays a strategic role in the group’s global supply chain.
Operations in Bangkok and regional importance
KGK Diamonds Co., Ltd., the Bangkok arm of KGK Group, is located in the Gems Tower, Suriyawong, Bangrak, and is a major supplier of loose diamonds and diamond jewellery in Bangkok’s famed gem trade district. The company emphasizes integrity, natural stones (no synthetics), and traceability of every piece from rough diamond through finished product.
KGK’s jewelry manufacturing division also supplies to most of the jewelry retailers around the world
Image Credit: KGK Group
In 2015, KGK established the jewellery manufacturing unit in Bangkok dedicated to producing silver pieces, which added to its global footprint of facilities in India, Botswana, Namibia, Angola and China.The Bangkok unit feeds both local markets and international clients, helping Bangkok maintain its reputation as a world-class hub for gems and jewellery.
Global scale, leadership and recognition
Today the KGK Group has an 18,000-member global team rising across mining, gemstones, diamonds, jewellery, retail and real estate businesses.The leadership structure remains strongly family-oriented: Navrattan Kothari as Patriarch, Sanjay Kothari as Vice-Chairman overseeing gems, diamonds and jewellery, and Sandeep Kothari expanding polished diamond sales particularly in Europe.
Milestones of KGK include being awarded Sightholder status by De Beers, manufacturing and sourcing operations in multiple continents, launching boutique brands like Entice, Martin Flyer and Gregg Ruth, and consistently expanding in both upstream (mining) and downstream (retail) segments.
KGK is famed for its refined jewelry craftmanship that incorporates only the finest and best quality gemstones and metals
Image Credit: KGK Group
Why KGK matters to Bangkok Gems industry
Bangkok has long been a global node for gem and jewellery trade—handling cutting, polishing, manufacturing, wholesale and retail. With KGK’s sophisticated supply chain and presence here, the city benefits in several ways:
Quality standards and ethics are raised when a major supplier demands traceability and full supply-chain transparency.
Local workers gain access to advanced manufacturing techniques, design insights and global quality requirements.
Bangkok becomes more attractive to downstream buyers and wholesalers, knowing that major suppliers with well-established reputations operate here.
The presence of KGK contributes to Thailand’s export potential in gem & jewellery, which remains a significant component of its luxury goods sector.
Brilliance that stretches into the future
From its modest beginnings with coloured gemstones trade to a sprawling global enterprise, KGK Group has not only survived but thrived by constantly evolving. Its operations in Bangkok exemplify how local industry can be powered by global scale, modern ethics and vertical integration. With transparency, craftsmanship and network expansion at its core, KGK is helping to shape Bangkok’s role not just as a regional gem centre, but as a global diamond and jewellery powerhouse.
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