Extremely pretty late c18th navette shaped mourning ring with a fully enamelled plaque under crystal in royal blue and white featuring an urn on plinth c.1780. 
The ring was inscribed approximately 40 years after it was made, and dedicated to Harriet Box 1823.
Tiny rose diamonds adorn the urn and the plinth.
The ring epitomises the neoclassical style of the 1780s in England.
15ct gold, enamel,rose diamonds.
Size 6.5.