Brooch with 7 Akoya pearls and 7 diamonds

Brooch with 7 Akoya pearls and 7 brilliant-cut diamonds totalling ca. 0.35 ct (grav.), ca. RW (F-G)/VS, Akoya cultured pearls: white-rose colored, with fine luster, D: ca. 5.2 mm, with naturle signs of growth, 18K white gold, 6.3 g, polished/satin finished, D: ca. 2.5 cm, 2nd half of the 20th century, minimal signs of wear.