Specifications: Material: Rhodium-plated ring with Swarovski crystals; adjustable open band Ring Size (without adjusting): 7 (US/AU), O (British), 55 (French) Diameter of ring head: 1" wide X 3/4" high (25mm X 20mm) Colors (Standard Swarovski Color Names): Aqua, Light Rose, Light Amethyst, Jonquil, Peridot