Dia Global HK Limited · Est. Hong Kong
Global trading excellence with trust and brilliance
We are a Hong Kong-based company engaged in the trading of high-quality diamonds and fine jewellery. Recently incorporated in Hong Kong, our business is built on strong industry expertise, global sourcing capabilities, and a commitment to delivering premium products to our clients.
With access to a trusted network of suppliers and manufacturers, we specialize in sourcing and supplying natural and lab-grown diamonds, as well as finished jewellery pieces tailored to market demand. Our focus is on quality, authenticity, and competitive pricing, ensuring value for our customers across international markets.
We operate on a demand-based model, sourcing products based on confirmed client requirements. This allows us to maintain efficiency, flexibility, and cost-effectiveness while meeting specific customer needs.
From raw stone acquisition to finished jewellery distribution, we provide end-to-end trading solutions trusted by the finest names in the industry.
We source and trade round brilliants, fancy shapes, and coloured diamonds — all GIA/IGI certified — across global markets with full transparency and competitive pricing.
Curated collections of fine diamond jewellery, precious metal pieces, and bespoke creations traded globally — from haute joaillerie to retail-ready lines.
Our network spans Antwerp, Mumbai, New York, Dubai and Hong Kong — enabling seamless cross-border sourcing, logistics, and compliance for every transaction.
Every diamond we trade carries full GIA, IGI, or HRD certification. We guarantee authenticity, accurate grading, and complete documentation — no exceptions.
Decades of relationship-building have created a trusted network spanning six continents, giving our clients unparalleled access to inventory and market intelligence.
We operate on full price transparency — market-linked, fair, and clearly documented. No hidden margins, no surprises. Just honest, world-class trading.
Built on integrity and long-term relationships, we serve luxury retailers, private collectors, and institutional buyers who return to us time and again.
Whether you are a retailer, collector, or institutional buyer — we welcome your enquiry and respond within one business day.
Our trading specialists are available to assist with sourcing requests, pricing, certification queries, and partnership discussions. Reach us via the form or our direct channels below.
Thank you for reaching out to Dia Global HK Limited. A member of our team will be in touch within one business day.