The International Gem & Jewelry Show, Inc. (InterGem, Inc.) is the longest running direct-to-consumer jewelry trade show. Never miss another InterGem Show when we are visiting your city. Receive notifications when we produce a jewelry event in your area and be the first to know when we release our seasonal schedules and special promotions. Forget retail! Shop direct from wholesalers, manufacturers and designers for the largest selection of gems, jewelry & accessories for rock-bottom prices.