This is a beautiful platinum diamond engagement ring from the 1920s. The center stone is an old European cut diamond that weighs 1.75 carats and is EGL certified. The color of the stone is J-K with VS1 clarity. The center stone is adorned by sparkling round cut diamonds accent. The ring is size 7 1/4, but can be resized. Accordingly, the Universal Gemological Services (UGS)estimated retail replacement values each of the center diamond on this 1.75 carat old European cut diamond engagement ring for $12,705.00 US dollars.