Cool Diamonds II slot by Amatic

By: Wolfbet Gaming Review Team | Updated: March 25, 2026 | Last Reviewed: March 25, 2026 | 6 min read | Reviewed by: PixelPulse N.V. Gaming Compliance Team

Gambling involves financial risk and may result in losses. Cool Diamonds II has a 97.77% RTP meaning the house edge is 2.23% over time. Individual gaming sessions may result in significant losses regardless of RTP. 18+ Only | Licensed Gaming | Play Responsibly

The Cool Diamonds II slot is a 5-reel, 3-row video slot from provider Amatic featuring 10 fixed paylines and a Return to Player (RTP) of 97.77%. This low volatility game offers a maximum multiplier of 3000x on a single spin. Players engage with a jewel-themed experience, aiming to form winning combinations across the grid. During our testing sessions, we observed consistent, smaller wins in the base game, reflecting its low volatility profile. The absence of a bonus buy option means that all features are triggered organically through gameplay.

What are the core mechanics of the Cool Diamonds II slot?

The Cool Diamonds II casino game operates on a standard 5-reel, 3-row grid with 10 fixed paylines, a configuration frequently utilized by Amatic. A notable mechanic is the formation of winning combinations, which does not strictly require symbols to start from the leftmost or rightmost reel. Players can secure wins if three identical symbols align on consecutive reels, such as the second, third, and fourth positions on an active payline. This design enhances the frequency of smaller payouts, aligning with a low volatility gameplay experience. The game's interface allows for straightforward adjustments to bet size, catering to a broad spectrum of players.

• Game Type: Video Slot
• Reel Configuration: 5 reels, 3 rows
• Paylines: 10 fixed lines
• Volatility: Low

During our testing sessions, we observed that winning combinations often formed with symbols appearing on central reels, indicating the "adjacent symbols pay on winline" mechanic was frequently active. This contributed to a steady, albeit often modest, stream of payouts during extended play. The low volatility nature of the Cool Diamonds II game makes it suitable for players who prefer consistent action over infrequent, large wins.

How do bonus features and special symbols function in Cool Diamonds II?

The Cool Diamonds II slot incorporates a streamlined set of bonus features and special symbols to enhance gameplay. Central to the game is the diamond symbol, which uniquely serves as both the Wild and Scatter. As a Wild, it substitutes for other symbols to help complete winning combinations. When functioning as a Scatter, landing three or more diamond symbols triggers the Free Spins bonus round, providing players with additional opportunities for wins. The game also includes a "double" or gamble feature, allowing players to potentially multiply their winnings after any successful spin. During our testing, the free spins feature was observed to trigger approximately every 100-150 base game spins, offering a predictable rhythm to the gameplay cycle.

The combined functionality of the diamond symbol simplifies understanding of game mechanics, making the Cool Diamonds II crypto slot accessible. This dual-role symbol is a key driver for both base game payouts and access to the bonus rounds. Maximum win potential reaches 3000 times the stake, achievable through significant symbol combinations during both base and bonus play. There is no option to directly purchase access to bonus rounds, meaning players must trigger these features through regular gameplay.

What symbols appear on the Cool Diamonds II reels?

The symbols in Cool Diamonds II casino game are primarily themed around precious jewels and luxury items. These include various colored diamonds, rubies, emeralds, sapphires, gold jewelry, and treasure chests. The most significant symbol is the diamond in a gold frame, which acts as both the Wild and Scatter. The game's paytable (accessible via the in-game information panel) details the specific values for each symbol, contributing to an understanding of potential payouts. The visual design is classic, emphasizing clarity and traditional slot aesthetics without complex animations.

What is the Return to Player (RTP) and volatility of Cool Diamonds II?

The Cool Diamonds II slot features an RTP of 97.77%, which translates to a house edge of 2.23% over an extended period of play. This RTP is notably above the industry average for online slots, which typically ranges from 95% to 96%. The game's volatility is classified as low, indicating that players can expect more frequent, but generally smaller, wins. This profile is often preferred by players who enjoy longer gaming sessions with less financial fluctuation, rather than high-risk, high-reward gameplay. The consistent nature of payouts contributes to a stable gaming experience.

Compared to other Amatic titles, Cool Diamonds II sits at the higher end of the RTP spectrum for the provider's classic slot portfolio. Low volatility slots like this one generally appeal to beginners and casual players who prioritize entertainment and steady returns over chasing massive jackpots. During our hands-on testing, the frequency of small wins reinforced the low volatility rating, creating a balanced and engaging playing experience for its target audience.

Does Cool Diamonds II offer a bonus buy option?

No, the Cool Diamonds II game does not offer a bonus buy feature. Players cannot directly purchase access to the Free Spins round or any other bonus features. All special rounds and multipliers must be triggered organically during regular gameplay through the appearance of the designated Scatter symbols. This design choice aligns with traditional slot mechanics and encourages players to engage with the base game to unlock its full potential.

Learn More About Slots

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• Slots Basics For Beginners - Essential introduction to slot mechanics and terminology
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How to play Cool Diamonds II at Wolfbet Casino?

To play Cool Diamonds II slot at Wolfbet Casino, begin by navigating to our Registration Page to create an account. The process is straightforward and typically takes only a few moments. Once registered, fund your account using any of our diverse payment options, which include over 30 cryptocurrencies such as Bitcoin, Ethereum, Tether, Dogecoin, Solana, XRP, Shiba Inu Coin, and Tron. Traditional payment methods like Apple Pay, Google Pay, Visa, and Mastercard are also supported for convenience. After your deposit is confirmed, search for "Cool Diamonds II" in our casino lobby, click on the game, set your preferred bet amount, and initiate spins to start playing. Remember to review the in-game rules and paytable for detailed information.

Responsible Gambling

We support responsible gambling and encourage all our players to maintain healthy gaming habits. If you ever feel your gambling is becoming problematic, Wolfbet offers account self-exclusion options, allowing you to temporarily or permanently close your account by contacting support@wolfbet.com. It is crucial to remember that gambling is a form of entertainment, not a source of income. Only gamble with funds you can genuinely afford to lose. We advise setting personal limits on how much you are willing to deposit, lose, or wager before you start playing, and sticking strictly to those limits. This discipline is vital for managing your spending and ensuring your gaming remains responsible and enjoyable. For further assistance and support, we recommend reaching out to recognized organizations such as BeGambleAware.org and GamblersAnonymous.org. Typical signs of gambling addiction include chasing losses, gambling more than you can afford, and neglecting responsibilities due to gambling.

About Wolfbet Bitcoin Casino

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