


RTP
96.5%
Volatility
Medium (3/5)
Max Win
5000.00x
Mermaid's Diamond is a medium (3/5)-volatility online slot from Play'n Go with an RTP of 96.50% and a maximum win of 5000.00x.
Page updated August 2026
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Reviewed by Johnessy
Mermaid's Diamond is an online slot from Play'n Go, with medium (3/5) volatility, a published RTP of 96.50% and a listed maximum win of 5000.00x.
RTP varies between casino configurations and markets, so check the information screen inside the version you are playing. A maximum-win figure is a theoretical ceiling, not a likely result. How these pages are researched and what the recorded play data does and does not show is set out in our editorial policy.
18+ only. Slot outcomes are random and past results do not make a win more likely — set a limit before you start.
Mermaid's Diamond has an RTP (return to player) of 96.50%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by Play'n Go — individual sessions can land far above or below it.
Mermaid's Diamond is rated medium (3/5) volatility. Medium-volatility slots sit between the extremes — a balance of win frequency and win size.
The advertised maximum win for Mermaid's Diamond is 5000.00x. Max wins are extremely rare by design — treat them as a ceiling, not an expectation.
Mermaid's Diamond is developed by Play'n Go and was released in 2017.
Mermaid's Diamond plays on a 5×3 grid with 720 paylines.
Specs compiled from provider data