This is a beautiful platinum diamond engagement ring from the 1920s. The center stone is an old mine cut diamond that weighs approximately 1.15ct. The color of the diamond is G-H with SI3 clarity. The center diamond is accentuated by approximately 0.20ct of round and baguette cut diamonds. The color of the side diamonds is H with VS clarity. The ring has impressive open work and gallery design. The size of the ring is 6 1/4 but can be resized.