This is an amazing platinum engagement ring from the 1920s. The ring is centered with a sparkling old mine cut diamond that weighs approximately 0.70ct. The color of the diamond is I-J with VS1 clarity. The center diamond is accentuated by dazzling small round cut diamond accents. The ring is stamped 10% IRID PLAT and weighs 3.9 grams. The ring is size 4 1/4 but it can be resized.