This is an amazing platinum engagement ring from the Art Deco era. The ring is centered with a sparkling GIA certified round brilliant cut diamond that weighs 0.52ct. The color of the diamond is H with SI1 clarity. The center diamond is accentuated by dazzling round cut diamonds that weigh approximately 0.30ct. The color of these diamonds is G-H with VS clarity. The top of the ring measures 5mm by 16mm. The ring is stamped PLAT and weighs 3.7 grams. The ring is size 7 but it can be resized.