May 22–23, 2027 2,000+ B2B Attendees
Chicagoland Gems & Minerals Show 2027
Gems, Jewelry & Earth Sciences • Prairie Event Center/Kane County Fairgrounds (St. Charles, IL)
7.6 / 10 Moderate Corridor Compression
Verified Prairie Event Center Trade Show & Convention Schedule
Upcoming Flagship Events at Prairie Event Center/Kane County Fairgrounds (1 Major Shows Mapped)
Full Annual Convention & Trade Show Directory (1 Verified Shows)
Annual & Rotating Conventions Hosted at Prairie Event Center/Kane County Fairgrounds
| Convention / Trade Show | Typical Cycle / Dates | Attendance | Halls & Campus Footprint | 10×10 Booth Benchmark | Dossier / Quotes |
|---|---|---|---|---|---|
| Chicagoland Gems & Minerals Show St. Charles B2B Trade & Conference Organizer • Manufacturing & Supply Chain | 2027-05-22 – 2027-05-23 | 2,000+ B2B Attendees | Prairie Event Center Main Exhibit Hall & Breakout Wing | ~$11,900 10×10 All-In |
Promoter Site-Selection & Hotel Rate Leverage
12-Month Prairie Event Center Compression & Need-Date Matrix
Peak Months: March–May & September–November • Best Value Window: June–August & Mid-December–January
JAN Peak
Q1 Flagship Trade Show Surge
FEB Peak
High Association & Expo Demand
MAR Peak
Peak Spring Convention Window
APR Moderate
Shoulder Openings Late April
MAY Moderate
Strong Late-May Negotiation Leverage
JUN Value
Summer Value Rates Begin
JUL Value
Maximum Room-Block & Space Concessions
AUG Value
High Availability & Value Pricing
SEP Moderate
Fall Season Kickoff
OCT Peak
Peak Q4 Enterprise Congresses
NOV Moderate
Early Nov Busy; Late Nov Value
DEC Value
Mid-December Corporate Value Window
Live Dossier-Grounded Logistics & Rate Concierge
Grounded on Verified Facility Tariffs, Union Rules & Walk RingsAsk Anything About Prairie Event Center Specs, Union Rules, Hotels or Buyouts
Ask specific operational questions — hand-carry monitor limits, electrical & drayage rates, closest walkable hotels, or 30-person VIP dining buyouts.
Frequently Asked Questions (3)
Dates, credential pickup, exhibiting costs, labor rules, walkable hotels, and client dining.
St. Charles Union Labor Jurisdiction. Exhibitors may hand-carry small pop-up materials in a single trip without dollies; crated dock freight, forklift drayage, overhead rigging, and electrical distribution route through official facility and show contractors. Prairie Event Center Exhibitor Carry-In Policy (Union Jurisdiction): One exhibitor badge-holder may hand-carry personal display materials or a single rolling luggage case in one trip through main public/hotel entrances without drayage charges; two-wheel dollies, pushcarts, and crated dock deliveries route through official material-handling labor.
Prairie Event Center Exhibitor & Operations Guidelines
Prairie Event Center offers 2,500+ convention corridor rooms within a 10-minute walk/skybridge plus 3 vetted corridor steakhouses and full-venue buyouts. Federal FY 2027 GSA Per-Diem for St. Charles is $215/night lodging and $79/day M&IE.
Conventions.com Venue Corridor Audit
Connected Convention & Corridor Graph (St. Charles, IL)
Compare Nearby St. Charles Convention Venues, Upcoming Trade Shows & Booth Cost Tools
Other St. Charles Convention & Buyout Venues
All Venues →- UNT Coliseum/Gateway Center40,000 sq. ft. • Right-to-Work State
- UWG Coliseum40,000 sq. ft. • Right-to-Work State
- Valdez Convention and Civic Center25,000 sq. ft. • Union Jurisdiction
- Valley Park Conference Center25,000 sq. ft. • Right-to-Work State
- Vancouver Convention Center466,000 sq. ft. • Union Jurisdiction
- Vancouver Convention Centre466,500 sq. ft. • Union Jurisdiction
Upcoming St. Charles Conventions
Full Calendar →- Montreal Real Estate Strategy & Leasing Conference 2026Oct 6–6, 2026 • 650+ B2B Attendees
- Morehead Holiday Arts & Crafts Market 2026Dec 4–5, 2026 • 1,200+ B2B Attendees
- Missouri Public Health Association Annual Conference 2026Sep 22–24, 2026 • 500+ B2B Attendees
- 83rd MPSA Annual Conference 2026Apr 16–19, 2026 • 5,000+ B2B Attendees
- Mr. Olympia Fitness & Performance Weekend Expo 2027Fri Oct 8 – Sat Oct 9, 2027 • 35,000+ Attendees
Exhibitor & Promoter Cost Calculators
All Tools → Las Vegas Trade Show Booth Cost & LVCC Union Drayage Calculator
$178/CWT Drayage • $142/hr Labor
18-City Trade Show Group Hotel Block, Resort Fee & GSA Per-Diem Calculator
Compare 10–250+ room blocks & GSA caps
Chicago McCormick Place Booth Cost, Union Labor & Drayage Calculator
$192/CWT Drayage • $158/hr Labor