I am sure you will get another price check which will perhaps even out the difference
Different people always value things differently depending on what they would pay of course.
She is a Euro exclusive, along with Buttons, thats the only reason I priced her so high. The both come up for sale much less often than any other porcelains and because they are unicorns they are both a little prone to broken horns so a nearly minty condition one is even better.