An art deco sapphire and diamond brooch
The square-shaped gold and platinum topped panel with calibré sapphire and brilliant-cut diamond key pattern design the sides with repeated key pattern engraved detail, circa 1930, later brooch pin, fitted case
An art deco sapphire and diamond brooch
The square-shaped gold and platinum topped panel with calibré sapphire and brilliant-cut diamond key pattern design the sides with repeated key pattern engraved detail, circa 1930, later brooch pin, fitted case
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