Ring with baroque cultured pearl and diamond

Ring with baroque cultured pearl and brilliant-cut diamond ca. 0.04 ct, ca. WHITE (H)/VS, cultured pearl: colour white-greyish, beautiful luster, baroque shape, L x W: ca. 10.6 x 9.3 mm, with natural signs of growth, 14K white gold, 5.7 g, ring size: 53, W: ca. 3.1 - 18.1 mm, 2nd half of the 20th century, signs of wear, with hallmark.