An Indian Mughal nephrite jade, gold, diamond and gem Archer's ring and a bone Archer's ring

An Indian Mughal nephrite jade, gold, diamond and gem Archer's ring and a bone Archer's ring
The carved jade ring of typical form set in the centre with a foiled table-cut diamond within a foiled cabochon ruby border surrounded by foliate tendrils, set periodically with foiled faceted diamonds, the shaped back with single cabochon ruby detail, probably late 18th to 19th century; the bone ring with engraved rondell patterns, possibly Turkish or Indian 17th or 18th century (2)