YELLOW GOLD RING WITH SAPPHIRE AND DIAMONDS Ring, 1950s, in 18 kt yellow gold. with central sapphire, round cut estimated at 3.00 ct., edged with diamonds, old cut, with a total estimated weight of 1.10 ct.

FINE BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cabochon blue sapphire of 12.32 carats in a cluster of old cut diamonds, no assay marks, size P1/2 / 8, 7.5g. Acompañado de un informe gemológico que indica que el zafiro es de origen birmano (Myanmar) sin indicación de tratamiento térmico.