This is the crown, with spade diamonds (without ribbon) try before you buy.
a tea party with the queen crown details polaroid
Also see the queen of spades’ wand:


Credits

Dress by SweetPea
Hair and skin by DanielleSour
Ring by MolotovCupcake
WhiteRabbit by Tanya
Roses painted in Red by TheKylin
Rooms, furnitures, shoes... by me