Custom wire rings can be made anywhere from size 3-15.Customers can select which stone, and which color wiring they would like to have. For the thicker wire rings, gemstone options are as follows:- Pink opal- Natural agate (ice blue)- Goldstone (oval)- Tiger's Eye- Opalite- Rutilated agate- Amethyst- Amazonite- Sodalite- Labradorite- Malachite_ Green aventurine- Black jasper- Crackle crystal- Turquoise- Black striped agate- Rose Quartz - Rhodonite- Red Tiger’s Eye - Howlite- Blue aventurine- Indian agate (oval)- Striped agate- Yellow agate- Lava bead**Avoid water for best jewelry maintenance.**