A SAPPHIRE AND DIAMOND BROOCH of openwork shield design, the central hexagonal sapphire with brilliant and baguette-cut diamond surround, circa 1925, in Cartier case

细节
A SAPPHIRE AND DIAMOND BROOCH of openwork shield design, the central hexagonal sapphire with brilliant and baguette-cut diamond surround, circa 1925, in Cartier case
3.0cm. wide
Signed by Cartier, London