Bangkok has built one of the world's most active gem and jewelry manufacturing clusters — strong in colored stones, silver jewelry, and finished-piece production for export. Diamonds are a major part of that trade too, but Thailand isn't a diamond-producing or diamond-cutting country. Virtually every diamond that moves through Bangkok's trading floors and jewelry workshops was cut somewhere else — and increasingly, that somewhere is Surat.
An import market built on someone else's cutting floor
For jewelry manufacturers and wholesalers in Bangkok, diamonds typically arrive already cut and polished, sourced through import channels that add time, markup, and distance from the original cutting decisions. Surat's manufacturers cut an estimated 90% of the world's diamonds by volume — meaning the odds are high that goods already flowing into Thailand's jewelry trade originated there, just via an indirect route.
Why this matters more for finished-jewelry manufacturers
Buyers who are combining diamonds into finished jewelry — rather than trading loose stones — have even more to gain from tightening the supply chain. Consistent access to specific shapes, sizes, and quality tiers at predictable pricing is harder to guarantee through import intermediaries than through a direct manufacturer relationship, where you can specify exactly what a production run needs.
Making the trip work
The obstacle for most Bangkok-based buyers isn't recognizing the opportunity — it's the practical cost of a first trip: finding legitimate manufacturers, evaluating parcels without an existing network, and handling documentation in an unfamiliar market. A hosted VisitSDB visit is built to remove exactly that friction, with manufacturers pre-matched to your buying category and on-site customs support for anything you purchase.
See what a hosted visit includes, or reach out directly with your buying category and preferred travel window.
