If you want to make a mood ring, you should buy a heat sensitive stone. Buy a ring base that configures to your desired ring size.(An adjustable ring base can be used). (You may need to get the stone cut to fit the setting of the ring base).Glue the stone to the base and allow it to dry.f you want to make a mood ring, you should buy a heat sensitive stone. Buy a ring base that configures to your desired ring size.(An adjustable ring base can be used). (You may need to get the stone cut to fit the setting of the ring base).