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A DIAMOND OVAL MEDALLION BROOCH
Set with a central cushion-shaped diamond, held by old European-cut diamonds, in an old mine-cut diamond three-row openwork surround to the shield-shaped panels at the cardinal points, circa 1860
Set with a central cushion-shaped diamond, held by old European-cut diamonds, in an old mine-cut diamond three-row openwork surround to the shield-shaped panels at the cardinal points, circa 1860