North America rounds out the September 2025 trade show calendar with a series of dynamic events blending innovation, education, and sustainability. From large-scale, business-focused shows in the United States to more public-friendly exhibitions in Canada, the month offers strategic opportunities for international buyers, independent retailers, collectors, and designers alike. Key stops on this gem-focused itinerary include Denver, San Diego, Rosemont, Bloomington, San Juan Capistrano, Grande Prairie, and Toronto — each showcasing natural wonders, artisanal jewelry, and ethically sourced stones.
United States: Specialization, Ethical Design, and Retail Education
HardRock Summit – Denver, Colorado, USA (September 4–7, indoor | September 4–12, outdoor)
Targeting collectors, gemologists, designers, and enthusiasts, the HardRock Summit returns to Denver with a dual format: the indoor segment runs from September 4 to 7 at the Colorado Convention Center, while the outdoor Denver Mineral Fossil & Gem Show continues through September 12.
Widely recognized as a key event on the American gem and mineral circuit, the 2025 edition promises a robust lineup of international exhibitors. Visitors can expect everything from rare rough specimens to one-of-a-kind jewelry creations, along with fossils, minerals, and collectible pieces that blend science and beauty.
GLW Gem & Lapidary Wholesalers Show – Bloomington (Minneapolis), Minnesota, USA (September 21–22, 2025)
Among the most targeted trade events on the U.S. calendar, the GLW Gem & Lapidary Wholesalers Show returns to Bloomington, just outside Minneapolis, from September 21 to 22, 2025, at the DoubleTree Minneapolis South. Unlike public shows, this event is exclusively open to industry professionals — retailers, gemologists, jewelers, and manufacturers — looking to source materials directly from wholesale suppliers.
Designed for streamlined transactions and direct B2B connections, the show features international wholesalers of gemstones, cabochons, pearls, precious metals, and technical components for jewelry making. Exhibitors also include vendors of gem-cutting tools and evaluation equipment, making it a valuable stop for small studios and independent artisans.
San Diego Gem & Jewelry Show – San Diego, California, USA (September 25–28, 2025)
One of the West Coast’s premier jewelry trade shows, the San Diego Gem & Jewelry Show is scheduled for September 25–28, 2025, at the San Diego Convention Center. Hosted by the JOGS team — one of the leading gem and jewelry show organizers in the U.S. — this event welcomes exhibitors from across the globe, with strong participation from the U.S., Asia, South America, and Eastern Europe.
On display: finished gold, silver, and platinum jewelry, certified diamonds and gemstones, semiprecious stones (including turquoise, opal, larimar, amber, and labradorite), hand-cut cabochons, natural and cultured pearls, fossils, minerals, and a wide range of findings, packaging solutions, and tools. The show also celebrates ethnic design, Native American-style pieces, and truly one-of-a-kind artisanal works.
Open exclusively to registered industry professionals, the event is ideal for those looking to restock ahead of the holiday season or forge new business relationships. Its dynamic atmosphere and flexible format make it a must-attend for buyers, indie designers, and specialty boutique owners.
The INSTORE Show – Rosemont, Illinois, USA (September 28–29, 2025)
Back for another edition, The INSTORE Show — organized by the team behind INSTORE Magazine — will be held on September 28 and 29 at the Donald E. Stephens Convention Center in Rosemont, in the greater Chicago area. This event is tailored specifically for independent jewelers, combining a trade show floor with educational sessions and networking opportunities.
Key highlights include seminars on retail management, cutting-edge technologies, trends in custom design, and marketing strategies tailored to the U.S. market. The show is designed to help jewelry retailers thrive in North America’s competitive landscape.
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Ethical Gem Fair – San Juan Capistrano, California, USA (September 28–30, 2025)
Wrapping up the month, the Ethical Gem Fair takes place in San Juan Capistrano, California, from September 28 to 30. Organized by Ethical Gem Suppliers, this show is entirely dedicated to responsibly sourced, traceable gemstones and producers committed to sustainability.
The event is curated for ethical retailers, conscious makers, and indie designers, featuring certified stones and powerful narratives of transparency, community engagement, and positive impact. Roundtable discussions and networking sessions with leaders in ethical sourcing round out the program.
Canada: Spotlight on Alberta and Toronto
Grande Prairie Rock N’ Gem Show – Grande Prairie, Alberta, Canada (September 12–14, 2025)
From September 12 to 14, 2025, Alberta will host the Grande Prairie Rock N’ Gem Show, organized by CanGems (Silver Cove Ltd.), at the Evergreen Park – TARA Centre, Hall A. One of the most anticipated events on Canada’s lapidary circuit, the show is known for its inclusive, family-friendly vibe.
Across three days, visitors can browse dozens of booths featuring gemstones, crystals (raw and polished), rare minerals, authentic fossils, artisan stone jewelry, and decorative hardstone objects. True to the CanGems format, the show also offers educational and hands-on activities — lapidary demonstrations, kids’ workshops, science-focused games, and meet-the-maker moments with local artisans and experts.
Wonders of the Earth Show – Toronto, Canada (September 13–14, 2025)
Organized by the Gem & Mineral Club of Scarborough and supported by the Canadian Gemmological Association (CGA), the Wonders of the Earth Show will take place September 13–14, 2025, at the Don Montgomery Community Centre (2467 Eglinton Ave East) in Scarborough, Toronto’s eastern district.
Over the weekend, families, collectors, hobbyists, and enthusiasts will explore a vast array of minerals, gems, fossils, and lapidary art from local and regional vendors. The event features live gem-cutting demos, educational booths hosted by the club, and kid-friendly activities like fossil digs and creative labs. Visitors can also view standout specimens, compete in exhibit contests, and enjoy free gem identification services provided by the CGA.
Blending family fun with solid educational value, the show offers an immersive dive into the world of Earth sciences and gemology.
