Searching for an honest Double Diamond review before you commit real money? You're in the right place. IGT are the developer behind it, tuning the slot for very high variance, with a return-to-player rate of 95.14%. If everything lines up, Double Diamond can pay up to 1,000,000x your bet. Visually it's built with crisp artwork and atmosphere, with the action running on 3 reels and 5 paylines. But is it actually worth playing? Read on.
Written by Michael Torres · Last updated: March 2026
Double Diamond is a slot from IGT, built with crisp artwork and atmosphere. It runs on a 3-reel grid running 5 paylines with a very high volatility profile, and a return-to-player rate of 95.14%.
Dig into the bonuses and Double Diamond starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. The very high volatility means patience is rewarded — expect quiet spells broken by bigger hits. On balance, Double Diamond is a dependable option worth a few spins in the demo first.
At 95.14%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
Very high volatility delivers the most extreme payout profile — long dry spells punctuated by potentially massive wins. Only recommended for experienced players with substantial bankrolls and high risk tolerance.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Double Diamond features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
3.0 / 5 — Good
Double Diamond by IGT is a solid offering that delivers good entertainment value. The 95.14% RTP combined with very high volatility creates a well-balanced gaming experience.