Three gem-set brooches by Cartier, Van Cleef & Arpels and Boucheron

细节
Three gem-set brooches by Cartier, Van Cleef & Arpels and Boucheron
The first designed as single-stone ruby flowerheads on long stems with openwork leaf detail, the second of roll over scroll design with brilliant-cut diamond stars and the third designed as a textured flowerhead with sapphire collet centre, Cartier and Boucheron brooches with French assay marks
Signed Cartier, Paris, No. 07908, Van Cleef & Arpels, N.Y. No. 6100 and Boucheron, Paris, No. 17401 (3)