The Hong Kong Jewellery & Gem Fair (commonly abbreviated HKJG) is the largest trade fair of its kind in the world, convening buyers, sellers, and specialists from across the global gemstone and jewellery industry under one roof. Organised by Informa Markets and held at the Hong Kong Convention and Exhibition Centre (HKCEC) in Wan Chai, the fair takes place three times annually — in March, June, and September — and routinely attracts upwards of 4,000 exhibitors and more than 80,000 trade visitors from over 140 countries. Its scale, geographic reach, and concentration of expertise have made it the industry's primary sourcing and networking event, and a principal reason Hong Kong functions as the global centre of the coloured-gemstone trade.

Structure and Format

The three editions of the fair differ in scope and emphasis. The September show is the largest and most commercially significant, timed to coincide with the peak pre-Christmas buying season when retailers and wholesalers worldwide are finalising their year-end inventory. It occupies multiple halls across the HKCEC and typically runs for five to six days. The June show is a mid-year edition that attracts a somewhat more specialised audience, with stronger representation from coloured-gemstone dealers and lapidaries. The March show, sometimes called the Hong Kong International Jewellery Show, skews more heavily towards finished jewellery and fashion-oriented product lines.

Exhibitors span the full supply chain: rough-stone dealers, cutters and lapidaries, bead and cabochon wholesalers, certified loose-stone traders, finished-jewellery manufacturers, luxury brands, and gemmological service providers including major laboratories. This vertical integration — from mine to market — within a single venue is unusual among international trade fairs and is central to the HKJG's importance.

Role in the Coloured-Gemstone Trade

For coloured-gemstone professionals, the September and June editions function as the industry's de facto annual calendar anchor. Dealers from Jaipur, Bangkok, Colombo, Nairobi, and New York converge on Hong Kong to conduct the bulk of their annual wholesale transactions, negotiate supply agreements, and assess market pricing across species. The concentration of inventory — from Burmese rubies and Kashmiri sapphires to Colombian emeralds, Paraíba tourmalines, and Tanzanian spessartines — means that price discovery for many categories of fine coloured stone occurs, in practical terms, at the HKJG.

The fair also serves as a barometer of broader market sentiment. Attendance figures, the volume of rough on offer, and the relative buoyancy of particular categories (alexandrite, spinel, and demantoid have all seen heightened fair-floor activity during their respective periods of collector interest) are closely watched by analysts and auction specialists alike.

Hong Kong as a Trade Hub

The HKJG did not create Hong Kong's position as a gemstone entrepôt, but it has substantially reinforced it. Hong Kong's advantages — a historically low-tariff regime, well-developed logistics infrastructure, a deep pool of Cantonese and Mandarin-speaking traders with long-standing relationships across Asia, and proximity to the world's largest consumer market — made it a natural centre for the trade well before the fair reached its current scale. The fair has, in turn, attracted permanent showroom presences, laboratory offices (the Gemmological Institute of America and Gübelin Gem Lab both maintain Hong Kong operations), and a concentration of specialist dealers that sustains the city's role year-round, not merely during fair weeks.

Practical Considerations for Attendees

The fair is a trade event; admission is restricted to registered industry professionals, and exhibitor applications are vetted by Informa Markets. Hotel availability in Wan Chai and Causeway Bay tightens considerably during fair weeks, particularly for the September edition, and advance booking many months ahead is standard practice. Many significant transactions are negotiated in private meeting rooms or at dinners rather than on the show floor itself, reflecting the relationship-driven nature of the gemstone trade.