Slot games featuring brightly coloured gems as symbols have always been popular. That is why every online casino games and supplier has a few in its portfolio. Mobile gaming allows players to wager on their smartphones. This has increased the popularity of gem themed video slots because of the visual appeal on the smaller screens. This article picks out three of the best gem themed online slots.

The NetEnt gem themed online slot is Starburst. It can be played at online casinos like InterCasino. The main symbol is the multi-coloured star that expands to fill up the entire reel. The other symbols are bright gemstones of different shapes and colours that appear in stacks. The star is the wild symbol that can appear only on reels 2, 3 and 4. After the payouts are made, the wild reel is held in place and the other reels are spun again. New winning combinations are paid. If you get a star symbol in the respin, that reel is also converted into wild and one more respin is awarded. You can be awarded up to three respins. Another attraction is that winning combinations pay from right to left and from left to right.

IGT offers a gem themed slot game titled Da Vinci Diamonds Dual Play at online casinos like Virgin Casino. It includes the Tumbling Thru feature in which symbols vanish from winning combinations to be replaced by new ones. This slot game has 40 paylines spread over six rows across the reels. The first 20 paylines are in the top three rows and the next 20 paylines are in the bottom three rows. Symbols from the top set of paylines can tumble down to replace symbols in the bottom set of paylines. By betting an extra amount you can trigger free spins with 20 additional paylines across all six rows.

The Microgaming gems themed online slot game is titled Reel Gems. The high paying symbols are again precious stones. Reel Gems is a 243 ways to win slot game. Microgaming has introduced an innovative feature called Respins. After every spin you have the option of spinning only a chosen reel keeping the other reels fixed. You have to pay an extra amount for this, which is displayed below the reel. If additional winning combinations arise in the respin the payouts for those are made to the player. Reel Gems can be played at Microgaming online casinos like All Slots and Spin Palace.