Coro Emerald Cut Yellow Glass Stones with Faux Seed Pearls Brooch This striking Coro brooch is a beauty featuring a large rectangular 5/8" x 3/8" Emerald cut Topaz yellow glass stone surrounded by a frame of faux seed pearls and goldtone rope border. The ornate goldtone floral design edge is accented with 8 matching yellow glass stones. The brooch is signed Coro and measures 1 1/4" x 1 1/8". It is in excellent vintage condition, shiny and bright with a fully functioning roll over clasp and pin. Lovely addition to your vintage brooch pin collection.