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Mermaid's Diamond (Play'n GO) Slot Review & Casinos in 2023

Mermaid's Diamond from Play'n GO is an underwater slot that takes you deep into the ocean where you can meet the seductive mermaid who helps you find some ocean treasure. The theme may not be the most creative out there, as there are many other games with a similar theme, but the game has some interesting game mechanics and the graphics are created with a lot of attention to detail. The symbols include colourful gems, sea creatures and the beautiful mermaid. The music and sounds also support the game nicely and create a somewhat eerie atmosphere. You can win with 720 way-wins and free spins with the chance to get extra wilds. Winning combinations are possible from right to left and left to right, and you need at least three symbols on adjacent reels to win. The top prize is 5000x your bet!

The volatility of the game is a low to medium, and you will probably get regular winning combinations with smaller, and the occasional larger win. The free spins can really make the game worthwhile, so it's best to play it until you get to the free bonus spins. The theoretical return to player is 96.5%, which is average for a casino slot. You can also play Mermaid's Diamonds mobile on many different devices, as the game was developed in HTML5 and is compatible with many different platforms.

Play Mermaid's Diamond at online casinos

You can play Mermaid's Diamond slot for free on this page, and try it without any risk of losing your own money. If you like the game, and want to start the underwater adventure for real money you can find it at one of the online casinos listed on this page.

♠ Bonuses with low wagering requirements
♠ many loyalty rewards
♠ Games on Desktop: 1000 | Mobile: 900 ♠ USD accepted: ✗ ♠ English Website: ✓
♠ Casino, Live Casino
100% up to €/$500 + 200 Free Spins ▼ More Details ▼
Valid on first deposit. Bonus wagerin: 25x. Free spins: 25/day over 8 days.18+ | Please play responsibly | Operator's T&C apply.
♠ Withdrawals are processed fast
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♠ Games on Desktop: 2500 | Mobile: 2000 ♠ USD accepted: ✓ ♠ English Website: ✓
♠ Slots, Jackpot Games, Live Casino, Sportsbook
(T&Cs apply)100% up to $/€100 + 200 Extra spins casino bonus (Varies for different countries) or 2x €10 Free Sports Bets + 100 Extra spins casino bonus or 100% up to $/€100 live casino bonus ▼ More Details ▼
18+. New players only. Valid on 1st deposit. Only one Welcome bonus from either Casino, Sports or LIVE Casino can be claimed on deposit AND wager. Deposit bonuses differ per offer and are a 100% match bonus up to €100. Minimum deposit matched: €20. Free Spin winnings are bonus money. Deposit and bonus money subject to wagering requirements. Bonus validity differs per offer. Play responsibly. gamblingtherapy.org. Full T&Cs apply.18+ | Please play responsibly | Operator's T&C apply.
♠ 24/7 Support
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♠ Mobile casino app
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♠ Casino, Live Casino, Slots, Jackpots, Table Games, Slingo, Megaways, Video Poker
(T&Cs apply)100% bonus up to $300 and 20 free spins (Bonus varies for different countries) ▼ More Details ▼
Welcome Offer contains 20 Free Spins on Book of Dead and 100% bonus up to $300. Bonus wagering 30x. Play responsibly | rgf.org.mt 18+ | Please play responsibly | Operator's T&C apply.
♠ Withdrawals are processed within a day
♠ Regular promotions with good Conditions
♠ Huge and varied game selection
♠ Games on Desktop: 1700 | Mobile: 1400 ♠ USD accepted: ✓ ♠ English Website: ✓
♠ Casino, Live Casino, Sportsbook, Poker
(T&Cs apply)100% up to €100 + Game of Guts reward▼ More Details ▼
*New Players only, 18+, Min. deposit: €10, Wagering 35x bonus plus deposit within 15 days, Game of Guts available for 7 days, Max bet with Bonus €5, Skrill/Neteller/Paysafecard excluded, T&Cs apply18+ | Please play responsibly | Operator's T&C apply.
♠ mobile optimised casino
♠ fair bonus wagering requirements and terms
♠ Games on Desktop: 1000 | Mobile: 900 ♠ USD accepted: ✓ ♠ English Website: ✓
♠ Casino, Live Casino, Sportsbook, virtual sports
(T&Cs apply)Up to €/$200 + 100 free spins over three deposits ▼ More Details ▼
1. Deposit: 50% up to €/$50 + 25 free spins
2. Deposit: 25% up to €/$50 + 25 free spins
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18+, Bonus for new players. Min deposit €/$20, Max Bonus €/$200, Bonus wagering 35x, offer valid for 72 h, free spins have to be played within 24h, Free spin winnings wagering: 35x
18+ | Please play responsibly | Operator's T&C apply.

*Bonus T&Cs apply! Accuracy not guaranteed, terms can change any time.

Developer:Play'n GO
Reels/Rows:5/3-5
Pay-lines:720 ways to win
RTP %96.5%
Progressive:No
Volatility:3/5
Maximum win:5000x bet
Bet size:0.20 - 100
Special Features:Wilds, Free Spins
Gamble:no

Wilds and up to 25 free spins with possible wild reels

The mermaid is the wild symbol in the game, and she replaces other symbols for winning combinations. There are also the Trident Wilds that can randomly appear during the games.

Mermaid's Diamond slot

The symbol with the treasure chest is the scatter symbol that starts the free spins. You need at least 5 scatter symbols to start free spins, but if you only have 4 the Divine Intervention feature may magically place the fifth treasure chest on the reels. Before the free spins start you have to select one of the chests that can reveal up to 25 free spins.

Mermaid's Diamond slot

The free spins can also be extended if you get additional scatter symbols during the free spins. There is no maximum amount of free spins that you can get, they can be re-triggered indefinitely. However, What makes the free spins really special are the diamonds. Each time you get a diamond on the screen you will collect it and once you have 5 diamonds a minimum of one complete reel will be filled with wild symbols leading to potentially huge winnings. You can win a maximum of 5000x your total bet in the free spins.

Mermaid's Diamond slot

How to play

The Mermaid's Diamond slot has 5 reels with 720 ways to win. The game is played with a minimum stake of £/$/€ 0.20, up to a maximum of £/$/€ 100 per spin. Winning combinations are possible in both directions. The game also allows for automatic play options with advanced stopping settings.

Mermaid's Diamond slot

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