This is an amazing diamond platinum engagement ring from the 1920s. The ring is centered with a sparkling GIA certified old mine brilliant diamond that weighs 1.20ct. The color of the diamond is J with VS1 clarity. The center diamond is accentuated by dazzling round cut diamond accents. The top of the ring measures 6.5mmby 6mm and weighs 3 grams. The ring is size 9 but it can be resized.