Ring with 7 diamonds total ca. 1 ct,

Ring with 7 brilliant-cut diamonds totalling ca. 1 ct, ca. RW-WHITE (G-H)/&SI-P1-2, 2 stones chipped in bottom part, 18K yellow and white gold, 13.3 g, ring size 55, around 1970, signs of wear and work, unknown maker's mark, solid workmanship.