Great Gems slot

Great Gems

About Great Gems Slot

Great Gems is an online casino slot developed by Cayetano Gaming and played on a 5x4 reel platform with 1024 ways to win. These are formed with adjacent left-to-right combinations regardless of the position on each reel. The high-paying symbols the Diamond Wild which can substitute for all paying symbols, as well as the Red, Purple, Orange, Green and Blue Gems. Lower paying symbols are other coloured variations of sparkling gems.

There are two sensational special features in the Great Gems slot game, including the Extender that could see the Great Gem extend to cover up to 5x4 positions. With Senior Reels, up to 7 low paying symbols could be excluded in order to improve the chances of winning for that spin.

Play Great Gems slot here at UK Casino on mobile, desktop or tablet.

How to Play Great Gems Slot

Total Stake

Your Total Stake amount can be edited through the use of the plus (+) and minus (-) buttons. This can be increased up to the maximum stake of £10, or decreased to a minimum of £0.25.


After deciding on your bet amount, you can set the Great Gems slot to play through a full round by clicking the Spin button.


Click the Auto button to begin the Autoplay process, where you can play through 10, 20, 50 or 100 spins automatically. There is also the option to set a loss limit or single win limit, while you can stop on a Jackpot win or if a bonus feature is hit.

Great Gems Slot Special Features


With the Extender feature, the Great Gem could extend in order to cover up to 5x4 positions on the reels and covering all other gems.

Senior Reels

The Senior Reels feature leads to up to 7 of the lower paying gems being excluded from potential winning lines in order to provide you with an improved chance of landing a win.

UK Casino Verdict

Visually, the Great Gems slot game is incredible on the eye. The colours and gems fly off the screen and help create an overall top gaming experience. This, of course, is mixed with the winning potential of the two special features: Extender and Senior Reels. If you enjoy the theme on offer here, you may also like to try Gem Blast or Gems Gone Wild.