Spinomenal

Book of Diamonds

Slots Video Slots Fruit Book Gems Luxury Classic

Classic book slot recast with fruit and gems

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

95.9%

return to player

Volatility

—

variance

Max win

5,000×

top multiplier

Min bet

$0.10

per spin

Reels

10 lines

Player rating

3.6 ★

9 votes

DEMO Play free, no signup

Spinomenal

Embed on your site

3.6 / 5

9 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 & RTP8/10

RTP 95.9% → 8.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential7.4/10

x5000.00 (5000×) → 7.4/10

Features6.5/10

10 features → 6.5/10

Game Mechanics4.2/10

f=10 r=5 p=10 → 4.2/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation5.7/10

provider avg 5.7 → 5.7/10

Popularity2.5/10

synthetic proxy → 2.5/10

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: 62 — Book of Diamonds by Spinomenal

https://slotranker.com/spinomenal/book-of-diamonds#score

How to cite

Slot Summary

Released in 2020, Book of Diamonds moves the familiar Book Of... format away from ancient ruins and into a Classic mix of Fruit and Gems. Spinomenal keeps the ten-line structure compact, making the selected Expanding Symbol the main event during Free Spins. Bonus Buy access gives the feature a direct route, while the x5000.00 maximum preserves a clearly defined ceiling.

How It Plays

The base game uses ten fixed paylines across a five-by-three grid. The Book symbol serves as both Wild Symbol and Scatter Symbol, connecting line play with feature access.

Regular spins stay deliberately simple so the selected-symbol behavior has more weight once Free Spins begin. The maximum win is listed at x5000.00 of the total bet.

Theme & Atmosphere

Book imagery is paired with Fruit and Gems rather than an archaeological setting. That combination gives the familiar mechanic a brighter Classic slot identity.

Diamonds carry the Luxury cue, while fruit symbols keep the reel language immediately recognizable. The contrast separates the game from darker Book Of... presentations without changing its core format.

Fruit Book Gems Luxury Classic

Features & Win Potential

Expanding Symbols provide the main transformation. A chosen symbol can fill complete reel positions during Free Spins, creating broader coverage across the ten paylines.

The Book acts as both Wild Symbol and Scatter Symbol. Bonus Buy offers direct feature access, and Additional Free Spins can extend an active round.

Free Spins Scatter Symbol Wild Symbol 5 Reels Book Of...Bonus Buy Additional Free Spins Expanding Symbols RTP range 10 Paylines

Bonus & Free Spins

Free Spins select an Expanding Symbol for the round, while further Book symbols can award Additional Free Spins. Bonus Buy provides an alternative route into the same feature.

Spec sheet

Book of Diamonds at a glance.

Identity

Slot nameBook of Diamonds

StudioSpinomenal

Released6/25/2020

Math

SlotRanker Score62

RTP95.9%

Max win5,000×

Bet range$0.10 – $100.00

Player rating3.6 / 5 · 9 votes

Format

Reels5

Paylines10

Layout5x3

Features

Themes

Expected average based on this slot's 95.9% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.64

Cost per session$1.64

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 Book of 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: Mediumassumed — not published for this slot

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 (Medium). The model is calibrated so the average return equals this slot's published RTP (95.90%), with wins capped at its top multiplier (5,000×).

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 Book of Diamonds

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Compare Book of Diamonds with other games

	Book of Diamonds Score 62This game	Fat Stacks Miami Cash Score 80	Deco Diamonds Deluxe Score 78	House of Spins Score 78	4 Diamond Blues Megaways Score 77
Identity
Studio	Spinomenal	Lucksome	Just For The Win	Foxium	Buck Stakes Entertainment
Released	6/25/2020	1/24/2024	10/9/2019	11/25/2024	8/20/2021
Math
RTP	95.9%	96.11%	96.12%	96.34%	94.04%
Volatility	—	Medium volatility	High volatility	Medium volatility	High volatility
Max win	5,000×	15,000×	—	20,000×	29,000×
Format
Reels	5	6	5	5	6
Layout	5x3	6x4	5x3	5x4	6x7
Paylines	10	1000000	9	20	117649
Min bet	0.1	0.1	0.1	0.2	0.1
Max bet	100	1	75	50	20
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	—	✓	✓
Scatter symbol	✓	✓	—	—	✓
Multiplier	—	—	✓	✓	✓
Bonus game	—	—	✓	✓	—
Respins	—	—	✓	—	—

Every number is shown as a delta against Book of Diamonds.

Comparing against

Book of Diamonds

Spinomenal

RTP

95.9%

Max win

5,000×

Score

Fat Stacks Miami Cash

+ Multiplier+ Bonus Game+ Respins− Free Spins− Scatter

+ Multiplier+ Bonus Game− Scatter

4 Diamond Blues Megaways

Buck Stakes Entertainment

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