This is a wonderful platinum engagement ring from the 1920s. The ring is centered with a wonderful GIA certified round brilliant diamond that weighs 1.00 carat. The color of the diamond is H with VS1 clarity. The center diamond is accentuated by sparkling round cut diamonds that weigh approximately 0.20ct. The color of these diamonds is H with VS clarity. The size of the ring is 4 3/4, and can be resized. The ring is stamped 10% IRID PLAT.