This is an elegant diamond platinum engagement ring from the Edwardian era. The ring is set with a sparkling GIA certified old European cut diamond engagement ring that weighs 1.00ct. The color of the diamond is G with SI1 clarity. The ring has an amazing open work design. The top of the ring measures 11mm by 13mm. The ring is stamped PLATINUM and weighs 2.8 grams. The ring is size 5 1/2 but it can be resized.