The most up-to-date information about vendors, news, and weather for the International Gem and Jewelry Show Dallas (April). Check out the show's floor plan and the products that will be sold. The International Gem and Jewelry Show Dallas (April) starts on 4/17/2020. The Show ends on 4/19/2020. The Show is located at: Dallas Market Hall 2200 Stemmons Fwy Dallas, TX 75207, Dallas, Texas 75207, United States.