An onyx and diamond ring
The central rectangular cabochon onyx to a baguette and single-cut diamond surround within a red enamel hoop, interior sprung clip, finger size expands to K
Purchased from E.Martinelli, Rome, not signed
An onyx and diamond ring
The central rectangular cabochon onyx to a baguette and single-cut diamond surround within a red enamel hoop, interior sprung clip, finger size expands to K
Purchased from E.Martinelli, Rome, not signed