Gemstone Island is one of the Jewel Games that you can play on UGameZone.com for free. Gemstone Island is a funny Match 3 game with hex tiles. Swap 2 tiles to combine 3 or more same color gemstones in a row to remove them. Some items have special properties like turning the surrounding items into the same color as the item or taking out all of the same-colored items on the board. Enjoy!