Vintage 1940's Sterling Glass Blue Zircon Brooch

Simply lovely vintage 1940's sterling silver brooch in the shape of a 4 leaf clover with applied gold vermeil leaves. The large center stone is highly faceted blue glass in the color of lighr blue zircon. There is a small chip on the back near the base of the stone, not easily visible when wearing but mentioned for accuracy. Signed sterling on the pin stem and measures 2 by 2 1/8"