An Art Deco diamond lozenge brooch
The central diamond collet within a pierced undulating diamond surround to a rose-cut diamond lozenge frame, circa 1925, 5.0cm. wide
Unsigned but probably by Cartier
Lot Essay
Cf. Rudoe, "Cartier 1900-1939," Harry N. Abrams (1997) p. 92, no. 25 for a similar brooch