Diamond Exchange is the World’s Largest Online Fantasy Sports Identification Platform. It’s an India-based fantasy sports platform that allows users to play fantasy cricket, hockey, football, andar bahar, casino, etc. www.diamondexch are the World’s Largest Online Fantasy Sports Identification Platform. It’s an India-based fantasy sports platform that allows users to play fantasy cricket, hockey, football, kabaddi, handball, basketball, volleyball, rugby, futsal, American football, and baseball.