Ring with central brilliant-cut diamond of approx. 0.9 ct,

Ring with central brilliant-cut diamond ca. 0.9 ct, ca WHITE (H)/VVS, further brilliants totalling ca. 1.3 ct, ca. WHITE-STW (H-J)/VS-SI, 18K WG, 7.2 gr, ring size 52, 2nd half 20th century, minor signs of wear, inside marked 'KURTZ'.