Mermaid's Diamond Slot - Review, Free & Demo Play
Mermaid's Diamond Slot - Review, Free & Demo Play Logo

Mermaid's Diamond Slot - Review, Free & Demo Play


Mermaid's Diamond is a slot developed by Play'n GO and released on 20/09/2017. If you miss the sea, mermaids, and sunken treasures, this title is perfect for you. There are a lot of bonus features here, which our report will help to understand. Also don't forget the demo, which is great for practice. Find it on this page and spin the reels until you get bored.

Software: Play'n GO
Release Date: 20.09.2017
Volatility: Medium
RTP: 96.5%
Multiplier: No
Max. win: 5,000x
Bonus game: No
Free spins: Yes
Scatter Symbol: Yes
Wild symbol: Yes
Symbol Stacked: No
Jackpot Game: No
Slot lines: 720
Slot reels: 5
Layout: 5-5
Stakes range (€/£/$): 0.2 to 100
Slot Theme: Water world
Technology: JS, HTML5

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Mermaid's Diamond Free Play

Mermaid's Diamond Slot - Review, Free & Demo Play preview
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Best Casinos to Play Mermaid's Diamond for Real Money

We advise you to choose a casino with bonuses to play Mermaid's Diamond for real money. Gifts in the form of free spins or cash rewards will help you start the game faster without spending a lot of money on it. Below you will find a list of the best casinos that can provide a lot of privileges for beginners.

How to Play

To start playing Mermaid's Diamond, do the following:

  1. Open the title and load it
  2. Click on the "i" button to open the winning table
  3. Read the slot rules carefully
  4. Bet between €0.2 and €100
  5. Spin the reels of the title

The slot has 720 ways to win, as well as 8 simple and high-paying symbols. In addition to them, the game has the Wild and the Scatter that can activate the bonus round. The slot also has several random features. It is worth noting the unusual playing field of the slot. The first and last drums here have 2 rows, the 2nd and 4th – 4. The largest is the middle, 3rd reel with 5 rows.

Under the game grid, there are several buttons to make the gameplay more convenient. There is a betting panel that allows you to quickly set the cost of the next spin, as well as a turbo button that speeds up the game. Auto Play is a button for automatic spins that can continue until you stop them.

Mermaid's Diamond RTP and Volatility

The RTP of the title is 96.50% and the volatility is average.

The return percentage in slot machines is responsible for the amount that you can get back after a relatively long period of play. It is just a statistic that should not affect your plans for the duration of the game session. The point is that, as a rule, you will have to play until the RTP works. And it can happen in a week or even a year.

As for volatility, everything is simpler and more complicated at the same time. On the one hand, the average volatility indicates an excellent balance between expenses and possible income for players. On the other hand, this is a very uncertain indicator, which is incredibly difficult to check, because the concept of balance can be different for everyone.



Mermaid's Diamond

The game has a delightful graphic design that perfectly conveys the atmosphere of the marine theme. The playing field is located on a live background depicting the underwater world at the bottom of the ocean. Algae sway here in time with the current, and fish swim past every now and then. The grid is in a sparkling frame, and the positions have no visible borders.

The soundtrack in the slot is a surprisingly majestic melody, in which you can hear both the beauty and the menace of open sea spaces. The spins of the reels here stop with the sound of the surf, which further enhances the exhilarating atmosphere of the game.

The title has 4 high and the same number of simple symbols. The first are three precious stones of different colors (green, blue, and red) in addition to a luxurious blue diamond. Simple elements depict marine life – a stingray, a starfish, a giant squid, and a snail in a shell. The role of Wild is played by the heroine of the game – a mermaid, and Scatter is a chest with treasures guarded by her.

Mermaid's Diamond slot paytable

Mobile Compatibility

Mermaid's Diamond slot mobile
To run the game on a mobile phone, you do not need to download anything or register somewhere. Just search for it in your smartphone browser. The slot will automatically adjust the size of the playing field to the screen resolution of your handheld device. You will quickly learn how to control the title with your fingers.

About Play'n GO

Play'n GO is a provider of high-quality content for the iGaming industry. The company creates premium games and solutions for online casinos that always attract the attention of both operators and their customers. The developer plans to continue creating unique slots and expanding into new markets.

Bonus Rounds & Free Spins


Trident Wilds

During the base round, the slot can add random Wilds on 1 or 2 reels. They replace the symbols on the grid and increase the chances of a big win.

Divine Intervention

If the spin was not successful, but there are 4 treasure chests on the screen, the game may mysteriously add a fifth. It is also a random feature, the occurrence of which cannot be predicted.

Free Spins

When 5 chests land on the grid, you need to select one of them to determine the number of free spins. Thus, you can get from 10 to 25 bonus games. Moreover, if during this round you managed to get 3, 4, or 5 extra chests, the game will reward you with the same amount of free spins.

The slot also collects Blue Diamonds in a special meter during the bonus round. When their number reaches 5, one or more reels will be covered with Wilds.
Mermaid's Diamond slot Free Spins

Mermaid's Diamond Demo Play

If you're not sure if you want to spend real money on Mermaid's Diamond, try playing the demo on this page. It's completely free. The demo allows you to develop your own game strategy, as well as study all its bonus features.

Max Win

Maximum win – 5,000x the bet.
The title offers a variety of ways to win, many of which appear during the base round completely by accident. Therefore, you just have to wait and spin the reels. In order not to lose your bankroll in the early stages, use a flexible betting strategy, changing the amount after each win.
overall rating:
Mermaid's Diamond is a game that not only looks great but also brings a lot of gambling fun. Here everyone will find a lot of ways to have fun. Therefore, we recommend this slot to a wide range of online casino users.
Random Wilds
Free spins
Wonderful theme and graphics
High volatility

Mermaid's Diamond Slot - FAQ

What is the Return to Player (RTP) rate of Mermaid's Diamond?
The RTP of the game is 96.50%.
What is the most valuable symbol in the Mermaid's Diamond slot?
It’s the Blue Diamond.
Can I earn real cash prizes in Mermaid's Diamond?
Yes, on one of the online casino websites.

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Updated: 26.08.2022

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