Vintage 10K Gold Art Deco Green Gemstone Ring

This is a vintage Art Deco style ring, crafted from 10K yellow gold, featuring a prominent rectangular-cut green gemstone, likely a peridot or green amethyst, set within a bezel or semi-bezel setting. The central gemstone exhibits a light to medium green hue with visible internal inclusions or natural characteristics, and appears to be faceted with a step cut or emerald cut. Its dimensions appear to be approximately 15mm in length and 8mm in width, though precise measurements would require direct examination. The ring's shoulders are a notable feature, displaying a stepped, architectural design characteristic of the Art Deco period (roughly 1920s-1930s), with multiple horizontal gold bars tapering down towards the shank. The gold shows some surface wear consistent with age, including minor scratches and a softened patina, but no obvious signs of major damage or repair are visible from the image. The setting appears secure, holding the stone firmly. The craftsmanship suggests a period piece, possibly mass-produced but with attention to period-specific design aesthetics. There are no discernible maker's marks or signatures visible from the provided image. The overall condition is good, reflecting typical wear for an item of its presumed age.