Royal Diamonds Quad Shot has been catching plenty of attention, so we put it through its paces to see how it really holds up. Ainsworth are the software studio behind it, tuning the slot game for a very high-variance maths model, with a return-to-player rate of 94.7%. It's themed around diamond and gem and plays out on 40 paylines across 5 reels. Dating back to 2020, it remains a regular pick. If everything lines up, Royal Diamonds Quad Shot can pay up to 8,000x your bet. Here's how it stacks up.
Written by Alex Crawford · Last updated: January 2026
This slot, Royal Diamonds Quad Shot, is the work of Ainsworth, wrapped in a diamond and gem theme. It runs on 40 paylines across 5 reels with very high variance, and 94.7% RTP.
Dig into the bonuses and Royal Diamonds Quad Shot starts to stand out. A progressive jackpot adds a wildcard payout that can land at any time. 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, Royal Diamonds Quad Shot is a dependable option worth a few spins in the demo first.
The RTP of 94.7% 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.
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.
Royal Diamonds Quad Shot 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.
Royal Diamonds Quad Shot features a progressive jackpot that grows with every spin placed by players across the network. The jackpot can be triggered randomly or through a special bonus feature, offering the chance to win a life-changing sum. The jackpot continues to grow until one lucky player hits the winning combination.
3.1 / 5 — Good
Royal Diamonds Quad Shot by Ainsworth is a solid offering that delivers good entertainment value. The 94.7% RTP combined with very high volatility creates a well-balanced gaming experience.