Loop brooch with brilliant-cut diamond ca. 0.9 ct and 18 small sapphires,

Loop brooch with brilliant-cut diamond ca. 0.9 ct, ca. LIGHT FANCY YELLOW/P1, 18K yellow gold, 24.7 g, 4.2x3.2 cm, 1950-60s, very good condition, high quality, very solid craftsmanship with decorative engravings.