Vintage 1920s Sterling Silver with Amethyst Glass Stone Size 4.5

Old 1920s Solid sterling silver ring that is set with a large amethyst colored glass stone. The setting is filigree with appliqué florals that show smooth wear. It is approximately a size 4.5. Face measures  7/8" by 3/4".  Weight: 5.5 grams. Marked sterling inside. The stone is scratched and has wear from age.