This is a stunning platinum engagement ring from the Edwardian era. The ring is centered with a sparkling GIA certified old mine cut diamond that weighs 1.38ct. The color of the diamond is K with SI1 clarity. The top of the ring measures 9mm by 14mm. The ring is stamped PLAT and weighs 2.9 grams. The ring is size 5 3/4 but it can be resized.