Cushion cut diamond platinum engagement ring vintage 5.5

Ladies platinum diamond engagement ring, featuring one cushion cut diamond measuring 5.9x5.28x.58 mm, H in colorSI1 in clarity (very good polish and symmetry) certified by EGL, two baguette diamond total weight .2 ct G/H in color VS in clarity. Band consists of platinum, size 5.5. The setting is vintage art-deco, came from An estate sale and was appraised and reset with the center diamond.