An enamel, garnet and diamond ring, probably India, 19th century, set with a step-cut garnet in a

An enamel, garnet and diamond ring, probably India, 19th century, set with a step-cut garnet in a foiled setting with a floral border applied with blue enamel, between scrolled openwork shoulders set with rose-cut diamonds and accented with red, white and green enamel, the reverse of the central setting depicting a bird against a ground of red basse-taille enamel, mounted in gold, size N