That Hair Pin made for Tatiana.
The bouquet diameter is about 2.5 inch (6 cm)
Single flower diameter for smallest one is 1 1/4 inch or 3 cm, for biggest one is 1.5 inch or 4 cm.
Attached to gold plated 10 cm (4 inch) hair fork.
The weight is 9.5 gr.
If you are interested in purchasing the similar hair pin, please take a look at my Etsy shop BestPeopleCa