Antique opal and diamond cluster ring with an oval cabochon opal surrounded by nineteen old cut diamonds in silver collet setting with pierced gold gallery on gold shank

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Antique opal and diamond cluster ring with an oval cabochon opal measuring approximately 9mm x 6mm surrounded by nineteen old cut diamonds in silver collet setting with pierced gold gallery on gold shank. Ring size M½-N. Estimated total diamond weight approximately 0.20cts.
Sold for £470