Ainsworth

Royal Diamonds

Slots Video Slots Gems Crown Luxury Royal Treasure

High-volatility royal jewel slot with selectable Free Spins modes

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built

RTP

96.63%

return to player

Volatility

High volatility

variance

Max win

1,000×

top multiplier

Min bet

$1.00

per spin

Reels

25 lines

Player rating

4.7 ★

1 votes

DEMO Play free, no signup

Ainsworth

Embed on your site

4.7 / 5

1 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP9/10

RTP 96.63% → 9.0/10

Volatility9/10

high → 9.0/10

Win Potential6/10

x1000.00 (1000×) → 6.0/10

Features8.5/10

12 features → 8.5/10

Game Mechanics5.6/10

f=12 r=5 p=25 → 5.6/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility4/10

1–20 (×20) → 4.0/10

Provider Reputation5.8/10

provider avg 5.8 → 5.8/10

Popularity5/10

synthetic proxy → 5.0/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 71 — Royal Diamonds by Ainsworth

https://slotranker.com/ainsworth/royal-diamonds#score

How to cite

Slot Summary

Choosing how to trade spin quantity for a stronger Free Spins Multiplier is Royal Diamonds' decisive action. Ainsworth sets that choice within a 5-reel, 25-line jewel slot, with Scatter Symbol combinations opening several Free Spins modes. The 96.63% RTP and High volatility place the game on a less frequent, more concentrated reward profile, while Wild Symbol substitutions support the conventional line play between feature rounds.

How It Plays

Royal Diamonds uses 5 reels, 3 rows, and 25 fixed paylines. Wins follow the regular line structure, with the Wild Symbol assisting standard combinations.

The stake range runs from 1 to 20, so adjustment happens before each spin rather than through configurable paylines. All 25 lines remain part of the evaluation.

Theme & Atmosphere

Crown, Gems, and Royal imagery present wealth through formal court symbols. The Luxury treatment stays traditional, favoring polished valuables over characters or narrative scenes.

Treasure is represented as cut diamonds and regal emblems, giving the screen a consistent subject while the feature choices supply the main structural variation.

Gems Crown Luxury Royal Treasure

Features & Win Potential

Bonus symbols and the Scatter Symbol provide the route away from regular line play. The Wild Symbol remains useful in the base game by replacing ordinary symbols.

The Free Spins Multiplier changes according to the selected mode. Choosing a shorter Free Spins option can raise that multiplier, concentrating the possible value into fewer rounds.

High volatility Free Spins Multiplier Scatter Symbol Wild Symbol 5 Reels 96% RTP Bonus symbols Free Spins Multiplier Free Spins Mode Choosing Stack 25 Paylines

Bonus & Free Spins

At least 3 diamond Scatter Symbols trigger Free Spins Mode Choosing. The menu presents several combinations of awarded spins and multiplier strength.

One end of the selection offers 20 Free Spins with a lower multiplier, while the other offers 5 Free Spins with a larger multiplier.

Spec sheet

Royal Diamonds at a glance.

Identity

Slot nameRoyal Diamonds

StudioAinsworth

Released6/27/2020

Math

SlotRanker Score71

RTP96.63%

VolatilityHigh volatility

Max win1,000×

Bet range$1.00 – $20.00

Player rating4.7 / 5 · 1 votes

Format

Reels5

Paylines25

Layout5x3

Features

Themes

Expected average based on this slot's 96.63% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$13.48

Cost per session$13.48

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Royal Diamonds? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: High

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (High). The model is calibrated so the average return equals this slot's published RTP (96.63%), with wins capped at its top multiplier (1,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Royal Diamonds

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Compare Royal Diamonds with other games

	Royal Diamonds Score 71This game	Persian Fortune Score 67	Blazing Crown Deluxe Score 48	Ultra Cluster Kingdom Score 86	Gold Pigger 2 Royal Snouts Score 82
Identity
Studio	Ainsworth	Red Tiger Gaming	Amigo Gaming	GameArt	Fantasma Games
Released	6/27/2020	10/19/2016	12/2/2024	9/24/2024	12/9/2024
Math
RTP	96.63%	95.08%	—	96.22%	96.09%
Volatility	High volatility	High volatility	Medium volatility	High volatility	Medium volatility
Max win	1,000×	2,423.8×	1,500×	5,000×	13,712×
Format
Reels	5	5	5	8	5
Layout	5x3	5x3	5x3	8x8	5x3
Paylines	25	20	10	Cluster Pays	4096
Min bet	1	0.2	0.1	0.2	0.2
Max bet	20	40	100	200	10
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	—	—	✓
Free spins	✓	✓	—	✓	✓
Scatter symbol	✓	—	✓	✓	✓
Multiplier	✓	✓	—	—	✓
Bonus game	—	✓	✓	✓	✓
Respins	—	—	—	—	✓

Every number is shown as a delta against Royal Diamonds.

Comparing against

Royal Diamonds

Ainsworth

RTP

96.63%

Max win

1,000×

Score

+ Bonus Game− Scatter

+ Bonus Game− Wild− Free Spins− Multiplier

Ultra Cluster Kingdom

+ Bonus Game− Wild− Multiplier

Gold Pigger 2 Royal Snouts

+ Bonus Game+ Respins

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