Finding Big Emerald Stone

There is a secret that you have come to know. You are very confident that the secret will change your life and make you a very rich person. You have come to know of an island that has a big emerald stone hidden somewhere on it. People have tried to find the stone but they have never been able to do so. You have decided to find the stone although you know that it will not be an easy job. Before you can find the coveted stone you will have to find all the useful items and clues and use them to solve all the puzzles that you face.