Big prizes will fall and you will catch them at the Gemstone Jackpot slot made by Novomatic. Experience the fun of free playing on slot machines in our amazingly nice looking online casino. With every win the symbols will be locked. So you’ll get a free spin continuously until there are no more symbols added to your winning combination. So try to hit 5 identical symbols on a pay line to receive the highest possible prizes on slots like the Gemstone Jackpot.