Brooch with 11 rubies, 4 sapphires, 3 emeralds and 43 diamonds

Brooch with 11 rubies, 4 sapphires, 3 emeralds and 43 brilliant-cut diamonds totalling approx. 0.53 ct, WHITE (H)/SI-P, pear- and navette-cut rubies, pear-shaped sapphires, diff.-treated and pear-shaped emeralds, 14K yellow gold, 9.5 g, L: approx. 40.7 mm, W: approx. 19.3 mm, around 1970, minimal signs of wear, stones slightly chipped.