A French 18ct gold and diamond articulated rose brooch, featuring 7 folding pierced and textured petals to centre of 19 pistils each set en tremblant with a round brilliant cut diamond, totalling approx. 1.00ct, to textured leaves and stem with double pin brooch back, French mercury head export marks and indistinct diamond shape makers stamp, size 72.5 x 47.5 mm, wt. 32.57g.