Diamonds Diamonds Diamonds Hold and Win

Diamonds Diamonds Diamonds Hold and Win goes back to basics with a classic 3-reel, 3-row layout from Booming Gaming, built around the tried-and-tested Hold & Win format rather than any of the cascading or Megaways mechanics that dominate newer releases. Set against a bright, neon-lit diamond theme with bells, bars, lucky sevens and card suit symbols filling out the paytable, it leans hard into a retro casino-floor look, complete with a giant diamond sitting beside the jackpot ladder and a lively disco-style soundtrack running underneath.

Wins land across 5 fixed paylines whenever three matching symbols connect from left to right. The Expanded Wild sits exclusively on reel 2, covering the entire middle reel and substituting for every regular symbol except the Diamond and Super Diamond icons, which are reserved as the game's key trigger symbols. Land three Diamond Symbols and the Hold and Win feature kicks in — Diamond Symbols carry either instant cash values or jackpot prizes, and once the feature starts, extra respins keep it alive as long as new diamonds keep landing. Certain Diamond combinations can unlock an upgraded Super Hold and Win bonus, which doubles all collected values once the feature concludes, meaningfully raising the ceiling on what the round can pay out. A couple of random extras add variety too: Diamond Collect can trigger bonus features out of nowhere, while Diamond Rain can instantly seed enough diamonds onto the grid to launch Hold and Win without needing to land them naturally.

There's no traditional free spins round here — everything runs through the Hold and Win structure instead, which is worth knowing if you're used to scatter-triggered bonus rounds elsewhere. Rated High volatility, the slot is built around long stretches of regular-paytable spinning punctuated by the Hold and Win feature doing the real work, which fits the pattern of most jackpot-style Hold & Win games. The 95.7% RTP is a touch below the market average, so it's worth weighing that against the appeal of the Super Hold and Win doubling mechanic and the 5,000x max win on offer. Stakes run from 0.20 up to 100 per spin.

For players who enjoy the classic fruit-machine-meets-jackpot format and the tension of watching a Hold and Win grid slowly fill up with diamonds, this is a solid, familiar package with a couple of nice random twists layered on top. Try the free demo of Diamonds Diamonds Diamonds Hold and Win at johnessyslots to see how the Super Hold and Win doubling plays out before staking real money on it.