This is an amazing 18k yellow gold and platinum engagement ring. The ring is centered with a sparkling GIA certified round cut diamond that weighs 2.01ct. The color of the diamond is K with SI2 clarity. The center diamond is accentuated by dazzling baguette cut diamond accents. The top of the ring measures 8mm by 17mm. The ring is stamped 18K PLAT and weighs 5.2 grams. The ring is size 6 1/2 but it can be resized.