Bulgari Allegra ring in 750 yellow gold, probably... Lot 680121

Bulgari Allegra ring in 750 yellow gold, probably 1960s, set with diamond, sapphire and emerald, hallmarked on ring band 750 and Bulgari, set with one carré-cut diamond of ca. 0.50 ct., white-if, 1 square baguette-cut emerald, ca. 0.40 c., 1 sapphire, octagon shape, of ca. 1.5 ct., ring size 59, ring width 0.9 cm, weight 31.4 g. 3505-002