This is a charming antique diamond platinum engagement ring from the Art Deco era . The ring is centered with a sparkling GIA certified round brilinat diamond that weighs 0.89ct. The color of the diamond is I with VVS2 clarity. The center diamond is accentuated by smaller round cut diamond accents. The top of the ring measures 8mm by 9mm. The ring is size 4 1/2 but it can be resized. The ring is stamped with the period '27. It weighs 2.5 grams.