Sapphires diamond ruby gold ring

Sapphires diamond ruby gold ring 1980s
geometrically shaped band ring, embellished with octagonal blue sapphire and yellow sapphire, 2 rubies, framed by diamonds. N. 01 blue sapphire, octagonal shape, steps cut, approx. 4.20 ct.N. 01 yellow sapphire, octagonal shape, steps cut, approx. 4.30 ct.N. 02 rubies, square shape, steps cut, approx. 0.40 ct.N. 20 diamonds, round shape, brilliant cut, approx. 0.60 ct, G.H, VS-SI.IT size 13 - US size 6 1/2. Weight: 20 g. Item condition grading: **** good.The lot is in a good state of preservation with the normal wear and defects commensurate with its age and use over time. Apparently not hallmarked; verified with XRF spectrometer is guaranteed to be gold at the approximate fineness of 730‰. Blue sapphire of light saturation, scarcely included. Yellow sapphire of light saturation, scarcely included. Colored stones not tested for color enhancement.