Ring with 2 cultured pearls and 10 octagonal diamonds

Ring with 2 cultured pearls and 10 single-cut diamonds totalling ca. 0.20 ct, good colour and clarity, white-cream cultured pearls, round, D: ca. 8.5 - 8.6 mm, beautiful luster, 18K yellow gold/white gold, 7.6 g, ring size: 53, W: ca. 2.3 - 16.3 mm, 2nd half of the 20th century, minimal signs of wear.