This is a magnificent diamond platinum engagement ring from the Edwardian era. The ring is centered with a sparkling GIA certified round brilliant diamond that weighs 0.64ct. The color of the diamond is G with VS1 clarity. The top of the ring measures 5.5mm in diameter; and the entire ring weighs 3.4 grams. The ring is size 7 but it can be resized. The ring is stamped PLAT.