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A BELLE EPOQUE SAPPHIRE AND DIAMOND BROOCH
Set with a cushion-cut color change sapphire weighing approximately 20.65 cts. (by calculation), surrounded by single-cut diamonds, within an old mine-cut diamond openwork frame, mounted in platinum, circa 1905
Set with a cushion-cut color change sapphire weighing approximately 20.65 cts. (by calculation), surrounded by single-cut diamonds, within an old mine-cut diamond openwork frame, mounted in platinum, circa 1905