This is an amazing 18k yellow and white gold diamond and sapphire engagement ring. The ring is centered with a sparkling GIA certified criss cut diamond that weighs 1.19ct. The color of the diamond is I with VS2 clarity. The center diamond is accentuated by a pear shape sapphire and round cut diamond accents. The top of the ring measures 13.5mm by 12.5mm. The ring weighs 4.4 grams. The ring is size 6 1/2 but it can be resized. It is stamped 750.