I would say its a sash pin, you can see the two attachment marks on the back were the pin was.
Art Nouveau Repousse Gold Filled Red Glass Grape Motif Brooch Sash Pin from fransfinds on Ruby Lane
I think You got it! The insets on mine are very much like this where the Gems use to be. Im confident that it is a sash pin Brooch! Thanks everyone! Now to find a photo of what it use to look like!!!