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
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