Art Déco brooch with diamonds totalling ca. 3 ct, ca. RW-STW (G-J)/VS-SI, 2x I1-2 in different cuts, brilliant-, old-brilliant- and single-cut, of which 1x centred ca. 1.2 ct, 14K white gold, face side platinum, 8.8 g, 5x2.2 cm, 1st half of 20th century, good condition, nice solid craftsmanship with ajour and millegriffes.