Vintage Gold-Plated Sterling Silver Emerald Ring Size 6.5-7 Emerald Cut

Vintage gold emerald ring Gold-plated sterling silver Emerald cut center gem with two accenting side-triangle and 14 accenting circle-cut gems Emerald and synthetic diamond Ring size is around 6.5-7 Small engraving inside to the right (unreadable) and two tiny marks inside to the left (neither noticeable in appearance) Unsure of specific materials and size due to true vintage nature; could be CZ with 14K plating