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Book Of Diamonds by Spinomenal — RTP & Analytics

Spinomenal · Jul 14, 2026

RTP 96.03% B+ Vol Medium Max 8,250× Value 79.9 Bank 4.5 Style Balanced Player
Egyptian Fantasy Fruit Gems Gold Treasure Retro Classic Book-of Free Spins Expanding Symbols Scatter/Wild (Book) Bonus Buy
★★★★☆ Excellent

Book Of Diamonds combines a generous 96.03% return rate with manageable risk, ideal for bankroll-conscious players.

About Book Of Diamonds

With a Value Score of 79.9/100, Book Of Diamonds stands out in Spinomenal's portfolio as a top-tier option for slot enthusiasts.

Theme

The slot draws inspiration from ancient civilizations and mythology.

Features

Key features include Free Spins, Expanding Symbols and Scatter/Wild (Book).

Book of Diamonds by Spinomenal features a 5-reel, 10-payline layout with a classic fruit machine theme enhanced by golden trimmings and diamond accents. Gameplay revolves around standard fruit symbols like cherries, lemons, oranges, plums, watermelons, alongside BARs, liberty bells, lucky 7s, and a top-paying shiny red diamond worth up to 5,000x the stake. The Book of Diamonds symbol serves as both Wild, substituting for other icons, and Scatter, triggering 10 free spins when landing three or more times anywhere on the reels. During free spins, a randomly selected expanding symbol covers entire reels to boost winning potential. A Bonus Buy option allows instant access to the free spins round for 100x the bet. Visuals deliver crisp, clean graphics with a polished, shiny aesthetic and a dynamic soundtrack featuring energetic tunes and basic sound effects. The medium volatility balances frequent smaller wins with potential for significant payouts up to 8250x, though the mechanics prioritize simplicity over complexity, echoing vintage slots while incorporating modern features for accessibility across devices.
Gameplay

Players choose Book of Diamonds for its straightforward fruit slot mechanics blended with a high-impact free spins feature offering expanding symbols for big win potential. The medium volatility and 96.03% RTP provide balanced play suitable for casual and strategic sessions alike.

Unique Mechanic

The Book of Diamonds symbol uniquely combines Wild substitution and Scatter activation, triggering free spins where one symbol expands across full reels to maximize combinations.

Bankroll Tip

A moderate bankroll of 200-400x your bet balances session length with bonus trigger opportunities.

Performance Metrics

Value Score
79.9 Top 26%
Risk Index
3.8
Win Potential
6.5
Bankroll Rating
4.5
vs Market -0.12% vs Spinomenal +0.13%

Key Insights

⚖️
Play Style: Balanced Player

Mix of steady play and bonus excitement

Where to Play

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Full Spec Sheet

ProviderSpinomenal
RTP96.03%
VolatilityMedium
Max Win8,250×
Hit Frequency25-33%
Math ProfileSteady Returns
Value Score79.9/100
Risk Index3.8/10
Win Potential6.5/10
Bankroll Rating4.5/10

More from Spinomenal

Total 620 Avg RTP 95.9% Best 97.19%
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Frequently Asked Questions

What is the RTP of Book Of Diamonds?

Book Of Diamonds has an RTP of 96.03%, which is average compared to the industry standard of ~96%. For every $100 wagered, the theoretical return is $96.03 over extended sessions.

What is the volatility of Book Of Diamonds?

Book Of Diamonds has Medium volatility, meaning it offers a balanced mix of frequency and size.

What is the maximum win on Book Of Diamonds?

The maximum win potential is 8,250x your total bet.

Who made Book Of Diamonds?

Book Of Diamonds was developed by Spinomenal. Explore all Spinomenal slots in our provider directory.

Is Book Of Diamonds worth playing?

Book Of Diamonds has a Value Score of 79.9/100, which is good. This score combines RTP, volatility, and max win into a single metric.

Can I play Book Of Diamonds for free?

Many online casinos offer a demo mode for Book Of Diamonds where you can play with virtual credits before wagering real money.

How risky is Book Of Diamonds?

Book Of Diamonds has a Risk Index of 3.8/10, making it low-risk. Relatively gentle on your bankroll.

Bankroll Calculator

Bankroll
Return
Risk
Theoretical estimates. Results vary.

Book Of Diamonds earns its 79.9/100 Value Score through a combination of fair returns and reliable gameplay mechanics.

Book Of Diamonds96.03%Play Now →
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