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 7/8" high (23mm X 21mm) Colors (Standard Swarovski Color Names): Aqua, Citrine, Light Rose, Light Sapphire, Peridot, Olivine, Tanzanite, Topaz