This is a fabulous platinum engagement ring. The ring is centered with a sparkling GIA certified cushion cut diamond that weighs 1.31ct. The color of the diamond is G with SI1 clarity. The center diamond is accentuated by dazzling round cut diamonds that weigh approximately 0.40ct. The color of these diamonds is G with VS clarity. The top of the ring measures 8.5mm by 8.5mm. The ring is size 4 1/2, and can be resized. The ring is stamped PT950 and weighs 5.2 grams.