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Cool Diamonds II Slot - Review, Free & Demo Play

Cool Diamonds II is a true treasure chest among slot machines! It was released on 25/01/2017 by Amatic and has such qualities as 10 fixed paylines, a Scatter symbol, a card gamble, and many others. Excited to find out more? Then keep reading, because we are going to unveil everything you need to know about this slot machine step by step.

Cool Diamonds II Free Play

Cool Diamonds II logo
Amatic Release Date: 25.01.2017
Rating by Ella Houghton
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Cool Diamonds II
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General information about Cool Diamonds II slot

Release Date:
Max. win:
Bonus game:
Free spins:
Scatter Symbol:
Wild symbol:
Symbol Stacked:
Jackpot Game:
Slot lines:
Slot reels:
Stakes range (€/£/$):
0.01 to 5
Slot Theme:

How to Play

If you’re new to this type of slot machine, here’s a short guide that will assist your journey with Cool Diamonds II:

  • Launch the slot machine and wait for it to load
  • Click ‘Help’ and see the information about the paytable and paylines
  • Adjust the game’s settings above the reels, in the upper-left corner of the screen
  • Set your bet
  • Click ‘Start’ and enjoy your gamble!

Cool Diamonds II is a slot machine with 5 reels, 3 rows, and 10 fixed paylines. Your stake in this slot machine is measured in coins and can go from €0.01 to €5 per round. There is a Bonus Game during which you can multiply your total stake in this game. We will talk about it more in detail further in the review.

Cool Diamonds II RTP and Volatility

Cool Diamonds II has got an RTP rate percentage of 96% and low volatility.
When it comes to the RTP of Cool Diamonds II, the number is 96% which is a golden medium for the industry. This factor shows the approximate percentage of your stake that you can win back in a slot machine. Moreover, low volatility is certainly an advantage of Cool Diamonds II. This means that you can get frequent small wins in this game and multiply them using various bonus options at your disposal.



Cool Diamonds II is a true treasure chest with various riches, from diamonds to gold bars. All symbols are designed in detail, so they’re basically glistening with wealth. As you proceed with playing Cool Diamonds II, you can see the slot’s smooth animations and amazing sound features that certainly contribute to the general atmosphere of grandeur. The visual interface of Cool Diamonds II makes you anticipate generous wins from your very first spin!

On the regular paytable in Cool Diamonds II, you can find such jewels as a ruby, an emerald, a gold ring, a sapphire, a diamond, some gold bards, and a chest full of treasures. Notice that if you get any of these symbols in a combination of 15, the max payout from each symbol is multiplied by 10!

The Pearl symbol is the most valuable one in the Cool Diamonds II slot machine. Apart from its basic payout, it also awards you 15 free spins, thus starting a bonus game. The Scatter substitutes for all regular symbols on the reels.

Cool Diamonds II
Cool Diamonds II slot paytable

Mobile Compatibility

Cool Diamonds II slot mobile
If you don’t have your laptop or desktop at hand, don’t worry! You can spin this slot machine even on the go, as Cool Diamonds II is perfectly compatible with all mobile devices. The visual and sound effects remain top-notch regardless of the platform you play on. Due to the modern Javascript and HTML5 technologies, Cool Diamonds II is available in all mobile browsers on both iOS and Android platforms.

About Amatic

Eye-candy graphics, generous payouts, and alluring bonuses… welcome the slot machines by Amatic! This is an Austrian slot developer with an impressive experience in the industry. Operating since 1993, Amatic has enriched its portfolio with both live casino games and online slot machines. Probably, you’re already familiar with slots by Amatic due to such games as Fruit Loop, Sun Goddess, Joker X, Fruit Express, and many others.

Bonus Rounds & Free Spins


Bonus Game

The Bonus Game in Cool Diamonds II is triggered by 3, 4, or 5 Pearl symbols on any position. Pearl symbols are the Scatters in this slot machine, and they can award you 15 bonus spins! Besides, the bonus round can be retriggered by additional Pearls on the reels!
Cool Diamonds II slot Free spins

Card Gamble

Activate the Card Gamble before every spin and make sure to double up each of your winning combinations! In this bonus feature, you need to guess the color and the suit of the next card. As long as you guess right, your prize in the round continues to increase. Nevertheless, a wrong guess can nullify the whole prize, so think twice before making your choice!

Cool Diamonds II Demo Play

On our website, you can always find and play a free demo version of the Cool Diamonds II slot machine. This demo is available any time you want, so you can test each feature of this slot in advance before depositing real cash in a casino!

Max Win

The max win achievable in Cool Diamonds II is 5,000x your stake.
One exciting feature of this slot machine is the fact that your payout from every winning combination can be multiplied by 10! However, it’s not that easy: in order to get this kind of multiplier, you have to scatter all 15 symbols on the reels at once. The highest-paying combination is the scattering of the treasure chest symbols.

Overall Rating

Cool Diamonds II gives you the chance to shoot for the stars and get numerous impressive payouts! All winning combinations in this slot machine can be multiplied in different ways, so you get a perfect opportunity to make your stake skyrocket! All in all, Cool Diamonds II is a perfect mix of a fascinating design and generous prizes. We already see plenty of reasons why you should give it a shot!
Free Spins
High payouts
Low volatility
Wonderful design
No progressive jackpot

Cool Diamonds II Slot - FAQ

Do I Need to Make a Deposit to Play this Game?

You don’t need to make a deposit in Cool Diamonds II unless you’re playing in a casino for real money.

Can I Earn Real Cash Prizes in Cool Diamonds II?

It is possible if you play Cool Diamonds II in a casino for real money!

Does the Cool Diamonds II slot have jackpot?

Unfortunately, there is no jackpot in this slot machine.

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

Cool Diamonds II has got an RTP rate of 96% and low volatility.

What is the most valuable symbol in Cool Diamonds II?

The most valuable symbol in Cool Diamonds II is the Scatter symbol which looks like a shining pearl. It can award you up to 15 free spins and thus trigger the Bonus game.

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Ella Houghton
Ella Houghton
Expert in: News, Blog, Slot reviews
Ella is a professional content-writer with 8 years of experience in the casino sphere. She has broad knowledge of gambling related themes and is happy to share this with Slotsjudge.
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