Vintage perfume bottle with applicator,encased with gold colored covering with diamond shaped details and flowers, adorned with green hotsell stone

Vintage perfume bottle encased in an interestingly designed gold hotsell colored covering with unique diamond shaped details and flowers
1 ½” wide, 2 ¼” high including cap , twist off cap cap is adorned with a green stone(rhinestone?), cap also has an interior clear stick to dispense perfume carefully. This piece may be from the 1940s. materials unknown

This vintage perfume bottle belonged to my mother- in-law who passed in 2001.