19th Century Rajasthani Ring: looking for more information

Looking to learn more: 19th Century Rajasthani ring Hello I recently received this ring and was looking if anyone has any further insights information about it. All I know is that it may be mid to late 19th Century from Rajasthan and that it is gold filled with polychromatic enamel foil back and faceted diamonds. Has anyone ever seen a ring like this or has any experience with them?