The most up-to-date information about vendors, news, and weather for the International Gem and Jewelry Show Novi (May). Check out the show's floor plan and the products that will be sold. The International Gem and Jewelry Show Novi (May) starts on 5/22/2020. The Show ends on 5/24/2020. The Show is located at: Suburban Collection Showplace 46100 Grand River Ave, Novi, Michigan 48374, United States.