A late 19th century diamond and enamel presentation ring
The blue guilloché enamel cartouche with applied rose-cut diamond initial 'A' beneath a crown, to rose-cut diamond surround and pierced shoulders, possibly adapted
A late 19th century diamond and enamel presentation ring
The blue guilloché enamel cartouche with applied rose-cut diamond initial 'A' beneath a crown, to rose-cut diamond surround and pierced shoulders, possibly adapted