This is a beautiful diamond onyx platinum engagement ring from the Art Deco era. The ring is centered with a sparkling cushion cut diamond that weighs approximately 1.38ct. The color of the diamond is I with SI1 clarity. The center diamond is accentuated by lovely afceted cut onyx and small brilliant cut diamond accents. The ring has an impressive open work, milgraine and engraving design. The ring is size 6 but it can be resized. The ring weighs 3.7 grams. The ring is stamped 5% IRID.