This is a ring that is either from or imitates the style of the 1920s and 30s periods. The most noticeable characteristics of an art deco ring will be that it is sleek, symmetrical, and often has rectangular shapes most commonly an emerald-cut stone. Other components seen in vintage art deco rings are filigree work and tight caliber cut stones.
The Art deco period ran from 1920 to approximately 1935.
The most common stones seen were the onyx, red coral, sapphire, emerald, and diamond.
An Art Deco ring often features colored gems such as sapphire, ruby, or emerald, with some additional diamonds. They also characteristically feature geometric patterns and abstract designs using gems in contrasting colors. Other tell-tale features include circular or square halos, large rectangular center stones or uniquely shaped side stones – which create a more vintage jewelry look.