Welcome to our deep dive on Brilliant Diamonds: Hold & Win — the demo, the maths, and whether it earns a spot in your rotation. Built by iSoftBet, it lands as a slot game with high variance and a published RTP of 95.99%. It's themed around diamond and gem and plays out on 5 reels and 20 paylines. If everything lines up, Brilliant Diamonds: Hold & Win can pay up to 25,000x your bet. So does it deliver? Let's get into it.
Written by Michael Torres · Last updated: January 2026
At its core, Brilliant Diamonds: Hold & Win is a slot produced by iSoftBet, wrapped in a diamond and gem theme and powered by 5 reels and 20 paylines. The result is a high volatility profile paired with 95.99% RTP.
Dig into the bonuses and Brilliant Diamonds: Hold & Win starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. With high variance, this one is aimed at players who can ride out the swings for the top wins. On balance, Brilliant Diamonds: Hold & Win is a dependable option worth a few spins in the demo first.
At 95.99%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Brilliant Diamonds: Hold & Win features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
3.0 / 5 — Good
Brilliant Diamonds: Hold & Win by iSoftBet is a solid offering that delivers good entertainment value. The 95.99% RTP combined with high volatility creates a well-balanced gaming experience.