Brooch with 3 sapphires, 3 emeralds and 12 diamonds

Brooch with 3 sapphires, 3 emeralds and 12 brilliant-cut diamonds totalling ca. 0.67 ct, ca. WHITE (H)/VS-SI, round-cut sapphires totalling ca. 0.06 ct, round-cut emeralds totalling ca. 0.12 ct, 18K yellow gold/white gold, 17.7 g, polished/satin finished, L: ca. 6.3 cm, W: ca. 3 cm, mid-20th century, minor signs of wear, with hallmark, very beautiful handcrafted work.