Specifications: Material: Rhodium-plated ring with Swarovski crystals; adjustable open band Ring Size (without adjusting): 7 (US/AU), O (British), 55 1/4 (French) Diameter of ring head: 1" wide X 1" high (25mm X 25mm) Colors (Standard Swarovski Color Names): Rose, Aqua, Peridot, Topaz, Light Sapphire, Siam, Light Amethyst