To get jewels to stick on your nails, you need to place a small amount of nail glue on the bottom of each of them. Take care when adding the glue that you do not put on too much, as this will come out of the sides when you press down on the gem and ruin your base coat. You can also apply glue to the nail instead of the jewel. You want to apply the stones onto clean, polished nails. You can use a thin layer of nail polish over the rocks to help secure them. If this is a large, 3D look, this last step is unnecessary.