Ring with emerald,

Ring with emerald, round faceted, ap. 5.4 mm, surrounded by 12 brilliant cut diamonds, totalling ap. 0.75 ct, 12 single cut diamonds, totalling ap. 0.16 ct, good colour and clarity, 18K white gold, 6.1 g, ring size 56, 2nd half of 20th century, minor signs of wear, emerald slightly chipped.