The art deco-influenced collection is inspired by the art style of her second album Ceremonials, reported Digital Spy.
Prices for Welch's six-piece capsule collection start at 20 pound for a birdcage-shaped ring made from black rhodium-plated polished brass, with other pieces in the range costing between 30 pound and 50 pound.
Her band Florence + the Machine are in contention for two Grammy Awards - 'Best Pop Duo/Group Performance' and 'Best Pop Vocal Album' - at this weekend's ceremony in Los Angeles.