This is a magnificent platinum engagement ring. The ring is centered with a sparkling GIA certified old mine cut diamond that weighs 0.69ct. The color of the diamond is J with SI1 clarity. The center diamond is accentuated by lovely French cut ruby and round cut diamond accents. The top of the ring measures 10mm in diameter. The ring weighs 3.4 grams. The ring is size 7 but it can be resized.