Before you load Knockout Diamonds for real, spend a couple of minutes on how it genuinely performs. Developed by Elk Studios, Knockout Diamonds arrives with a very high volatility profile and 96% RTP. Originally released in 2021, it has aged well. If everything lines up, Knockout Diamonds can pay up to 250,000x your bet. It's built around a sports theme and plays out on a 3-reel grid running 5 paylines. But is it actually worth playing? Read on.
Written by Daniel Chen · Last updated: January 2026
Knockout Diamonds is a slot game from Elk Studios. Presentation-wise it's themed around sports, and it leans toward a very high-variance maths model at a return-to-player rate of 96%. Under the hood you'll find 5 paylines across 3 reels.
The mechanics are what make Knockout Diamonds interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. With very high variance, this one is aimed at players who can ride out the swings for the top wins. All told, it's a solid entry in the Elk Studios catalogue.
The RTP of 96% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
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.
Knockout Diamonds 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
Knockout Diamonds by Elk Studios is a solid offering that delivers good entertainment value. The 96% RTP combined with very high volatility creates a well-balanced gaming experience.