A late 19th century opal and diamond brooch
The cabochon opal within an old brilliant-cut diamond surround to old brilliant-cut diamond trefoil terminals, circa 1890, 4.1cm wide
A late 19th century opal and diamond brooch
The cabochon opal within an old brilliant-cut diamond surround to old brilliant-cut diamond trefoil terminals, circa 1890, 4.1cm wide
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