Our review of Diamond Chief cuts through the marketing and looks at what matters: how it plays and how it pays. Developed by Ainsworth, Diamond Chief arrives with a medium low-variance maths model and a return-to-player rate of 94.37%. Visually it's wrapped in a diamond and gem theme, with the action running on 5 reels and 10 paylines. If everything lines up, Diamond Chief can pay up to 3,750x your bet. Wins land at roughly a 29.49% hit rate, shaping how the sessions feel. Here's how it stacks up.
Written by James Holloway · Last updated: February 2026
This title, Diamond Chief, is the work of Ainsworth. Presentation-wise it's dressed up with a diamond and gem theme, and it leans toward a medium low-variance maths model at an RTP of 94.37%. Under the hood you'll find 5 reels and 10 paylines.
Where Diamond Chief earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. Overall it's a straightforward title that knows what it is.
The RTP of 94.37% is below the industry average of ~96%. This is common for older slots or those with special features. The lower RTP may be offset by unique mechanics or higher maximum win potential.
Medium-low volatility offers a good balance of regular wins with occasional larger payouts. Expect frequent hits with modest amounts, suitable for casual players who want low-risk entertainment.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Diamond Chief 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.
2.6 / 5 — Average
Diamond Chief by Ainsworth provides a straightforward slot experience. While it may not break new ground, it offers medium low volatility gameplay that will appeal to certain player preferences.