Anoushka is not pretentious at all.
I also like Natasha.
What about Myla? Or maybe Carina? (Am trying to find the same feel as the ones you've said you like but maybe failing miserably!)
If you don't mind me asking, what is yor DH's name? Am 90% convinced I am carrying a boy and no boy's names really grab me, so looking for inspiration!