Ring with 3 chrome diopsides and 4 diamonds totaling approx. 0.75 ct,

Ring with 3 round faceted chromium diopsides totalling ca. 0.55 ct, and 4 carré-cut diamonds totalling ca. 0.75 ct, ca. RW (G)/VVS-VS, 18K yellow gold, 4.2 g, ring size 58, late 20th century, good condition.