THREE DIAMOND AND COLOURED DIAMOND FLOWER BROOCHES, BY DE GRISOGONO

THREE DIAMOND AND COLOURED DIAMOND FLOWER BROOCHES, BY DE GRISOGONO
One brooch centering a yellow diamond-set bead pistil, extending pavé-set diamond and black diamond petals, 5.0 cm, with French assay mark for gold; one brooch centering a diamond-set bead pistil, extending pavé-set black diamond petals, 4.0 cm, mounted in gold; one brooch centering a black diamond-set bead pistil, extending pavé-set diamond petals, 4.0 cm, mounted in gold
The larger brooch signed de Grisogono, nos. 330969, 32189/02-1 and 32109/04-1
Please note that the coloured diamonds have not been tested for natural colour origin. (3)