Play the Triple Diamond slot machine online for free or real money. Read our review of the Triple Diamond slot machine and watch videos of the game in action. Play Triple Diamond Classic slots by IGT online. We should thank the Bally for the first fruit slot machine produced ever (in ) and the fun Fun fact: Did you know there is a “Double Triple Diamond Deluxe with Cheese” title out there?. Triple Diamond is a classic slot from IGT and is a 3 reel slot machine with 9 paylines. Play free online!.