We've got sparkle wrapped around your finger with the Cailin Gold Crystal Band Ring in Purple Crystal, a February birthstone-inspired shade. This ring is glamourous enough to be worn on its own or can be paired with other statement rings and pops of color for a stacked look. Metal 14k Yellow Gold Over Brass Material Purple Crystal Size 0.29"WDue to the one-of-a-kind nature of the medium, exact colors and patterns may vary slightly from the image shown. Kendra Scott Cailin Gold Crystal Band Ring in Purple Crystal | Nano Crystal | Size 7. Color: white