Vintage Blue Glass 14 Kt Yellow Gold Plated Filigree Women's Czech? Brooch

Vintage Blue Glass 14 Kt Yellow Gold Plated Filigree Women's Brooch. The opaque blue glass round faceted stones are prong set. I think it possibly is a Czech brooch. The brooch is lovely and in good vintage condition.  On the back there are some dark areas in the filigree that needs cleaning. The brooch is unmarked. An acid scratch test indicates that is is 14 it gold. Please inspect the photos for an accurate depiction of the condition of the brooch before purchasing.