I gave him a BD book and card, my sister delivered it to him before the wedding. I had no clue that he got me a present because he had just got me a car and we said that was going to be the gift. His brother came to my room before the wedding with a card and a diamond necklace and I was so shocked. I ended up wearing the necklace that day and loved it with my dress.
I was happy with the car idea as well, so I think that is a great gift!