Ring with emerald and 12 diamonds

Ring with emerald and 12 baguette-cut diamonds, totalling approx. 0.64 ct, faceted emerald-cut emerald, approx. 0.85 ct, beautiful colour, 18K yellow gold, 6.5 g, ring size 54, W: approx. 3.3 - 8.6 mm, end of the 20th century, signs of wear.