Ring with old-cut diamond of ca. 0.73 ct flanked by 2 sapphire triangles,

Ring with old-european-cut diamond ca. 0.73 ct, ca. TIW (K-L)/VVS, chipped, flanked by 2 triangular-cut sapphires, chipped, 14K white gold, 6.1 g, ring size 56/16, 20th century, distinct signs of wear.