You are guarenteed more than the value you pay. 
Possible spins can include:
4 pearls and a necklace of choice 
Williamsburg Bridge Grab Bag
Pearl Pendant Fizzer and 2 pearls
2 CZ ring fizzers
4 pearls and ring of choice 
$50 Gift Card
5 pearls and $10 gift code 
2 pearls and pearl ring fizzer