A 19th century Indian gold, diamond, gem and enamel 'Navaratna' ring

A 19th century Indian gold, diamond, gem and enamel 'Navaratna' ring
The gold hoop closed set with the nine gems of the Navaratna, including a rose-cut diamond and cabochon ruby, sapphire, chrysoberyl, green paste, citrine, garnet, coral corallium rubrum and pearl, with Jaipur green, red and white enamel stylised foliate border, finger size K½