There is no Belle Tiara. As for the other parts of the set, I bought the set that follows:
The crystals on the necklace aren't the neon color that this picture shows, they are much lighter.
In addition I have a bracelet that has the rose theme like the necklace. Unfortunately, the bracelet broke the second day I wore it.
I don't have the following items but they are also part of the disney belle swarovski line:
I

these earrings!
Personally, I think it is too much to wear the whole set. I don't know how others feel about it. I'm not too sure about the color combination of the rose lline (yellow, pink, and green) with a white dress like your beautiful Belle dress

. Hopefully others that have tried on the set with a white wedding dress can offer more insight. I've seen the set on ebay, I'm not sure how the price compares to the store.