Ring with oval diamond rose of approx. 0.25 ct,

Ring with oval rose-cut diamond ca. 0.25 ct, ca. TIW (K)/VVS, ca. 8.5x6.5 mm, further 8 small brilliant-cut diamonds totalling ca. 0.25 ct, ca. RW-WHITE (G-H)/VS-SI, 18K white gold, 12.8 g, ring size 55.5, late 20th century, signs of wear.