New vintage costume birthstone ring

New vintage costume birthstone ring May green emerald? Faux. You can see facets in the light. It’s a pretty green (slight blue tinge?)! Not just for May birthday people! St. Patrick’s Day is coming! ☘️ Goldtone band with beautiful simple diamond cut chevron zigzag designs. Shiny! Almost 3 mm wide, +1 mm thick. Solid feel and lightweight. New vintage c. 1970s. Costume gold and faux gem. Size 7 Group photos show other pieces in the collection.