Free demo, RTP, volatility and bonus features of the Diamonds of the Realm slot by Play'n GO.
Join King Arthur and Queen Guinevere to reclaim the stolen diamonds from Morgana and Mordred in this epic Arthurian slot. Harness the power of win multipliers and free spins to secure the kingdom's treasure.
Diamonds of the Realm is an online slot from Play'n GO. Play'n GO develops a broad portfolio of online casino games, including celebrated slots, table games and bingo titles, with mobile-first demos and distinctive recurring series.
You can open Diamonds of the Realm here as a no-registration browser demo and study the buttons, the paytable and the feature triggers at your own pace. The free round is useful for judging speed and readability before betting anything.
23%, very high volatility and a stated maximum win of 20000x. The recorded release date is August 12, 2021. RTP is a theoretical long-run return, volatility describes how the wins are spread over time, and the max-win multiplier is the hard cap built into the maths — none of the three predicts one session.
Gameplay tags associated with Diamonds of the Realm include Bonus Buy. The list gives a fast overview of what drives the wins here. The detailed behaviour is described in the rules section, and the in-game help screens of Diamonds of the Realm carry the definitive payout table.
Run Diamonds of the Realm at a couple of different stake levels, watch how the ordinary wins form and note what changes when a special symbol lands. Opening the information panel before the first spin, and again after changing a setting, keeps the paytable and options in view.
Over a longer sample the balance movement shows how much of the return comes from the base game rather than the features.
Because configuration varies by casino, jurisdiction and software version, always confirm RTP, stake limits and feature access in the client you use. Free-play results do not carry over to real money. Fix a budget first, treat any win as a bonus rather than income, and seek help if play stops feeling like entertainment.
Land 3 or more Scatters to trigger Free Spins with a 2x Multiplier. Collect Diamonds during the feature to increase the Win Multiplier to 5x, 10x, and finally 100x. Each level grants +5 extra spins. In the base game, a random Win Multiplier (up to 100x) can trigger on any spin.
The game features 5 reels and 20 fixed paylines. Wins are paid from left to right. Morgana and Mordred are the high-paying symbols. The wild symbol substitutes for all symbols except the Diamond scatter.
How to play the Diamonds of the Realm demo: open the game, wait for the interface to finish loading and review the paytable or help menu before starting. Choose a comfortable virtual stake with the on-screen controls, then begin a round and let the result complete before changing settings. The demo uses play credits.
But the controls and feature sequence are designed to mirror the corresponding game experience.
For this slot format, set the virtual stake and press spin. Winning combinations are evaluated according to the paytable after the reels or grid settle. Check whether the game uses paylines, ways, clusters or another win system. That is because this determines how matching symbols connect. Wilds, scatters and bonus symbols may follow separate rules.
The mechanics recorded for this title are Bonus Buy. A Bonus Buy label means direct feature access may be offered in eligible versions. Compare its virtual cost with the normal trigger route. Feature labels summarise the catalogue entry. But the game screen determines the exact trigger, duration and payout calculation.
23% RTP, very high volatility and a maximum win of 20000x. RTP is calculated across a very large number of rounds and cannot forecast a short demo session. Volatility describes the intended risk pattern: higher settings generally mean outcomes may be less frequent and more uneven.
A maximum win is a ceiling and should never be treated as a likely target.
During testing, watch the stake shown before every round, the balance change after settlement, the symbols or events that trigger features and any multiplier that remains active. Try the base game first instead of immediately selecting an optional shortcut.
If autoplay is available, set a limited number of rounds and stop conditions so the session remains easy to follow.
Availability, RTP and feature settings may differ between operators or countries. Always use the paytable and help menu in the exact version being played. Real-money gambling involves financial risk. Use fixed limits, take breaks and never increase a stake to recover a loss.
Last checked: 2026-09-11
Free demo mode: this game runs with play money only — no real-money wagering and no winnings.
18+ only. Gambling involves risk — play responsibly, set deposit and time limits, and never play with money you cannot afford to lose.
Built by Play'n GO, Diamonds of the Realm is an online slot, released in 2021. It is built around bonus_buy. The demo above loads the complete game with play money, which lets you learn the paytable before risking a real balance.
Play'n GO lists a return to player (RTP) of 96.23%, very high volatility and a maximum win of 20000x for Diamonds of the Realm. In practice that means wins land less often. The swings run bigger, so bankroll patience matters here. RTP is a long-run average across millions of spins, not a promise for a single session.
Trying Diamonds of the Realm in demo mode costs nothing and shows exactly how often the features fire. If you later play for real money, pick the operator by licence, payout speed and bonus terms rather than by the biggest headline offer.
Join King Arthur and Queen Guinevere to reclaim the stolen diamonds from Morgana and Mordred in this epic Arthurian slot. Harness the power of win multipliers and free spins to secure the kingdom's treasure.
Diamonds of the Realm is an online slot from Play'n GO. Play'n GO develops a broad portfolio of online casino games, including celebrated slots, table games and bingo titles, with mobile-first demos and distinctive recurring series.
You can open Diamonds of the Realm here as a no-registration browser demo and study the buttons, the paytable and the feature triggers at your own pace. The free round is useful for judging speed and readability before betting anything.
23%, very high volatility and a stated maximum win of 20000x. The recorded release date is August 12, 2021. RTP is a theoretical long-run return, volatility describes how the wins are spread over time, and the max-win multiplier is the hard cap built into the maths — none of the three predicts one session.
Gameplay tags associated with Diamonds of the Realm include Bonus Buy. The list gives a fast overview of what drives the wins here. The detailed behaviour is described in the rules section, and the in-game help screens of Diamonds of the Realm carry the definitive payout table.
Run Diamonds of the Realm at a couple of different stake levels, watch how the ordinary wins form and note what changes when a special symbol lands. Opening the information panel before the first spin, and again after changing a setting, keeps the paytable and options in view.
Over a longer sample the balance movement shows how much of the return comes from the base game rather than the features.
Because configuration varies by casino, jurisdiction and software version, always confirm RTP, stake limits and feature access in the client you use. Free-play results do not carry over to real money. Fix a budget first, treat any win as a bonus rather than income, and seek help if play stops feeling like entertainment.
Land 3 or more Scatters to trigger Free Spins with a 2x Multiplier. Collect Diamonds during the feature to increase the Win Multiplier to 5x, 10x, and finally 100x. Each level grants +5 extra spins. In the base game, a random Win Multiplier (up to 100x) can trigger on any spin.
The game features 5 reels and 20 fixed paylines. Wins are paid from left to right. Morgana and Mordred are the high-paying symbols. The wild symbol substitutes for all symbols except the Diamond scatter.
How to play the Diamonds of the Realm demo: open the game, wait for the interface to finish loading and review the paytable or help menu before starting. Choose a comfortable virtual stake with the on-screen controls, then begin a round and let the result complete before changing settings. The demo uses play credits.
But the controls and feature sequence are designed to mirror the corresponding game experience.
For this slot format, set the virtual stake and press spin. Winning combinations are evaluated according to the paytable after the reels or grid settle. Check whether the game uses paylines, ways, clusters or another win system. That is because this determines how matching symbols connect. Wilds, scatters and bonus symbols may follow separate rules.
The mechanics recorded for this title are Bonus Buy. A Bonus Buy label means direct feature access may be offered in eligible versions. Compare its virtual cost with the normal trigger route. Feature labels summarise the catalogue entry. But the game screen determines the exact trigger, duration and payout calculation.
23% RTP, very high volatility and a maximum win of 20000x. RTP is calculated across a very large number of rounds and cannot forecast a short demo session. Volatility describes the intended risk pattern: higher settings generally mean outcomes may be less frequent and more uneven.
A maximum win is a ceiling and should never be treated as a likely target.
During testing, watch the stake shown before every round, the balance change after settlement, the symbols or events that trigger features and any multiplier that remains active. Try the base game first instead of immediately selecting an optional shortcut.
If autoplay is available, set a limited number of rounds and stop conditions so the session remains easy to follow.
Availability, RTP and feature settings may differ between operators or countries. Always use the paytable and help menu in the exact version being played. Real-money gambling involves financial risk. Use fixed limits, take breaks and never increase a stake to recover a loss.
Yes. The demo on this page runs Diamonds of the Realm with play money — no deposit, no account and no download. Demo balances have no cash value and cannot be withdrawn.
Diamonds of the Realm was developed by Play'n GO. You can browse the studio's other titles from the provider page linked at the top of this page.
Play'n GO publishes an RTP of 96.23% for Diamonds of the Realm. That figure is a theoretical long-run average; individual sessions can land far above or below it. Some operators run configurable RTP versions, so check the game info screen in the casino you play at.
Diamonds of the Realm is rated very high volatility, which means wins land less often. The swings run bigger, so bankroll patience matters here.
The win cap for Diamonds of the Realm is 20000x. Reaching it usually requires the top feature combination, so treat it as a ceiling rather than an expected result.
Diamonds of the Realm uses bonus_buy. The demo above is the quickest way to see how often each feature triggers.
Yes. Diamonds of the Realm runs in the mobile browser on iOS and Android — the demo on this page adapts to portrait screens, and no app install is needed.
All Play'n GO slots and free demos