Daluzyan won a bronze medal at the 2006 World Weightlifting Championships. He became the first weightlifter from Armenia to win a World medal in the female category. The next year, Daluzyan won a gold medal at the 2007 European Weightlifting Championships and became the first Armenian individual to become a European Champion in weightlifting. He repeated this success at the 2008 European Weightlifting Championships, becoming a two-time European Champion. Daluzyan was set to compete at the 2008 Summer Olympics in Beijing, but he suffered an acute attack of pancreatitis two weeks before the Olympics and was forced to withdraw from the competition. He was substituted by Hripsime Khurshudyan.