Specifications: Material: Rhodium-plated ring with Swarovski crystals; adjustable open band Ring Size (without adjusting): 7 1/2 (US/AU), P (British), 56 1/2 (French) Diameter of ring head: 3/4" wide X 3/4" high (20mm X 20mm) Colors (Standard Swarovski Color Names): Olivine, Jonquil