This is an amazing diamond platinum engagement ring from the Art Deco period. The ring is centered with a sparkling GIA certified cushion brilliant diamond that weighs 1.96ct. The color of the diamond is J with SI2 clarity. The center diamond is accentuated by square cut emeralds, cabochon onyx; and old mine cut diamonds that weighs approximately 0.40ct. The color of the diamond is H with VS clarity. The top of the ring measures 12.5mm by 18.5mm. The ring is size but it can be resized. The ring is stamped IRID PLAT and weighs 4.7 grams.