The company was founded in 2001 and is based in Los Angeles, California. Intergem Inc. is a former subsidiary of Asian Star Company Limited. International Gem & Jewelry Show (InterGem, Inc.) is one of the leading consumer jewellery show organiser in USA. InterGem, Inc organizes over 60 shows in more than 35 major U.S. cities, InterGem is also the largest exhibition of gems, minerals and jewelry in the world. They also provides certified diamonds from various gem laboratories making them to be one of the finest tradeshows organizer in United States.