Ring with Akoya pearl and diamonds,

Ring with Akoyapearl, D: ca. 8.5 mm, light cream colour, 1 old european brillant-cut diamond, ca. 0.3 ct, partly damaged, 35 single-cut diamonds, 1 missing single-cut diamond, totalling ca. 0.17 ct, 4 rose-cut diamonds, 18K white gold, 8.1 g, ring size 57, mid 20th century, distinct signs of wear.