This is an amazing platinum engagement ring from the Edwardian period. The ring is centered with a sparkling GIA certified cushion cut diamond that weighs 1.70ct. The color of the diamond is H with SI1 clarity. The center diamond is accentuated by dazzling round cut diamond accents. The top of the ring measures 14mm by 17mm. The ring is size 6 3/4 but it can be resized. The ring weighs 4.5 grams.