The unique 4-3-4-3-4 window formation of this 5-reel game is the first thing to catch the eye and, though it is very different, the 40 pay-line combinations that allow the 3 windows of reels 2 and 4 to combine in several ways with the odd-numbered reels - lend themselves to many multiple-win spins!
If you love that unique touch that you fine in Big Time Gaming slots, then you're going to love some of the others. Strangely, the pay-table wins aren't for matching icons, but instead are for lining-up 3, 4 or 5 of the same kind of icons but different colours. For example there are square rubies, emeralds and blue diamonds and any 3-5 icon combination on a played pay-line will win you a prize – in this case up to 1,000x your line-bet.
This is quite different to how slots normally work. Other icons which pay the same way are circular gems which pay up to 800x your line-bet, whilst the 6 poker icons from 9 up to Ace pay prizes from 16x up to 700x.
There's no need to burst into song (unless you want to), but the Reaction Bonus may just make you feel like it. Instead of being triggered by a Bonus or Scatter icon, this bonus is triggered by any 5 icons in a line that are the same colour and this is called a "Reaction". Multiple reactions can occur at one, often up to 4 at a time when I was playing it. However the bonus also plays very similar to Tumbling Reels slots in that all icons in these winning reactions are then replaced by new icons. Even better, each set of reactions increases the multiplier level on the right of the reels by 1x, which is applied to the next set of reactions within the same chain. However, the multiplier returns to 1x when the Reaction Bonus stops.
The big juicy diamonds that any girl worth her salt would want to own don't actually play a role in the main game or the Reaction Bonus, and these are solely linked to 3 possible jackpot wins. They can appear at any time on the reels, but if diamond icons appear in a row of 3, 4 or 5 on a pay-line they will respectively trigger either the Mini Jackpot, Midi Jackpot, or Maxi Jackpot – and I can't wait to find out just how much these might be.
This slot can be enjoyed by all types of players on a wide variety of levels and, whilst all players get to enjoy all 40 lines of this fun game, you can choose line-bets ranging from 0.01 up to 25 coins, or a total-bet ranging from 0.4 coins up to 1,000 coins a spin. If you like some speedy-action you can also set the auto-play button to play 25 games for you.
I confess I’m not usually the biggest fan of gem themed slots, but Big Time Gaming have done themselves proud with how unique Diamonds is. I love the fact you can get paid out for both shape and colour combinations, and the Reaction Bonus is a little diamond in its own right. Try it for real at Scandinavian favourite Cherry Casino.