Mermaid’s Diamond Slot Review

An unusual online slot machine with interesting system of combinations and exciting bonus options has been presented by Play’N GO company. «Mermaid’s Diamond» model is devoted to legends about mermaids and countless riches, hidden from human’s eyes at the ocean bottom. All features and capabilities of this video slot are carefully described in the following article by

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0.20 USD
Min bet
100 USD
Max bet
Max payout
Number of reels
Number of lines

Where to Play Mermaid’s Diamond slot?

Play Free Mermaid’s Diamond Slot Demo

You are welcome to test «Mermaid’s Diamond» video slot free at or play for real money at the online casinos powered by Play’N GO.
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How to Play Mermaid’s Diamond slot online

«Mermaid’s Diamond» online video slot has five reels with different number of symbols at each one: three icons at first and fifth columns, by four at the second and fourth and five symbols at the third.
There are no active lines in this game. An amount of the bet per round must be twenty fold: from twenty cents to one hundred euro per spin.
Except the ordinary symbols, «Mermaid’s Diamond» is provided with Wilds, Scatters, free spins and special prize features.
The basic symbols form winning combinations of three, four or five same elements. These icons have to be situated at any cells of neighbor reels. Combinations can begin both from first and last reels.
Wins are calculated by coin value. It is multiplied by special index, provided by the rules for each of the possible combinations (from x2 to x200). In case of multiply combinations formed in result of a round, all payoffs are summarized.
There is no chance to double up the win in «Mermaid’s Diamond». Please read about exceptions from the general rules and bonus options below in the review.

Mermaid’s Diamond Symbols, Wild, Scatter

There are eight basic symbols in this slot: a stingray, a star fish, a squid, a shell, a diamond and three gems.
There are also two special symbols:
  1. Wild (a mermaid) doesn't form combinations on its own, but replaces other symbols in combinations, except the Scatters, when necessary. Moreover, Wild takes part in bonus features.
  2. Scatter (a chest of treasures) triggers free spins. They begin when five Scatter drop out anywhere at the screen.
Pay table displays potential wins according to the bet.

Mermaid’s Diamond Bonus games

Let’s discuss prize features of this video slot:
  • Divine Intervention – when four Scatters appear at the screen, «divine intervention» may happen and one more Scatter shows up in result. Then free spins begin.
  • Free Spins – first of all, all chests move to the special screen. You would have to open one of them to find out how many free spins you win. You can get up to twenty five of them. Then free spins on the casino’s expense begin. Diamonds which drop out at the reels are accumulated during these rounds. At least one reel is filled with Wilds for each five diamonds. Three, four or five Scatters extend free spins for same amount of rounds.
  • Trident Wilds – magic power places extra Wilds at one or two reels. They may fill whole reel from top to bottom.
Bonus terms are carefully explained on the Help. Prize spins are shown in demo video at


Play’N GO doesn't draw a progressive jackpot on «Mermaid’s Diamond» video slot.

Mermaid’s Diamond Interface

You can see the following elements at the control panel of «Mermaid’s Diamond» slot machine:
  • Balance – state of the balance;
  • I – open the pay table;
  • Bet – an amount of the bet per round;
  • Win – an amount of the win;
  • ? – go to the Help.
Buttons with different numbers are situated at the center of the screen. They display possible bets per spin.
Play buttons are situated at the right. It is possible to play «Mermaid’s Diamond» in automatic or manual mode.
The pay table provides general rules, scheme of active lines, principals of payoffs and terms of bonus rounds. Help contains more details of all features.
It is possible to set up the sound, speed of the game, parameters of automatic game, size of the screen and other options. This slot is available in a browser. Mobile version of «Mermaid’s Diamond» is supported by all modern smartphones.

Video game review Mermaid’s Diamond

Should You Play Mermaid’s Diamond Slot for Real Money?

This game won’t let you feel boring. Due to profitable rules of combinations, it brings numerous payoffs. Free spins are rather frequent and offer attractive conditions. We should also say about unusual features of Wilds and «Divine Intervention» in case of four Scatters at the screen.
The lovely design, the stunning animation, the impressive betting limits, all necessary settings and the user-friendly interface are other advantages of this game.
Dispersion and theoretical payback of «Mermaid’s Diamond» are average.
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Main info
Type of game Video slots
Manufacturer Play’n GO
Theme Ocean
Min bet 0.20 USD
Max bet 100 USD
RTP 94.45%
Max multiplication 200 : 1
Is free test available Yes
Mobile version Yes
Issue date September 20, 2017
Progressive jackpot No
Reels number 5
Lines number 720
Wilds Yes
Scatter Yes
Gamble Feature No
Volatility Middle
3D slot Yes
Respins No
Freespins Yes
Bonus games Free Spins