Estate Vintage Blue Rhinestone and Silver Filigree Brooch Pin, 1960’s Juliana?

A stunning vintage Juliana style brooch pin with blue rhinestones set in a silver tone metal. it has an open center with each stone encased in lacy silver filigree. It’s unmarked by the designer, possibly Juliana, and is in excellent condition for the age. It would look amazing on a vintage summer dress. 1 7/8” diameter. Pin back is in good working condition, and all stones are intact in their silver tone setting.