Royal Ruby FeatureStorm
- RTP
- 94.98%
- Volatility
- High
- Max win
- 13,920x
by Iron Dog Studio · Released 19 Aug 2026 · Demo available
Answers come only from this game’s data. If the data doesn’t cover it, we say so.
On paper, 3 Jewelling Diamonds from Iron Dog Studio is straightforward: high volatility, 95.07% RTP and up to 10,000x. That RTP is 0.42 points below Iron Dog Studio’s slot average of 95.49%. Our data tags it for big-win chaser and feature hunter players.
Features in our data: Bonus Buy, Jackpot, Progression.
No casino offers listed for United States right now.
3 Jewelling Diamonds has an RTP of 95.07% in our data, which means a house edge of 4.93%. RTP is an average over millions of spins; casinos can choose between versions, so check the game’s info screen.
3 Jewelling Diamonds is rated high volatility. Expect long dry spells between bigger wins. Our bankroll guide suggests about 400× your stake for a comfortable session.
The top win on 3 Jewelling Diamonds is 10,000x your stake, so £2,000 at a 20p bet. It is a ceiling that very few spins ever reach.
Yes, 3 Jewelling Diamonds has a bonus buy. Bonus buys are switched off in some markets, including Great Britain, so the option may not appear at your casino.
3 Jewelling Diamonds is made by Iron Dog Studio. Check the “Where to play” section on this page for casinos that accept players from United States, and whether the studio is available in your country.