Id go with what Utopian said. Hes hit the nail on the head.

I ended up with 1k corsera, 2k, 3k, 5k, 8k, 12k all in specialty stones. And as far as ordering from that place, they want you happy so if a stone dont feel right or if you want to trade for another grit, they stand behind it. I traded in a 10k for the 3k. No questions asked. I had even took a sharpie to the side of the 10k marking it 10k so i could see it better and that was not an issue with them.

They have some sets too but if a set isnt the stones you want, call them and they will.work with you to get what you want. Good luck learning honing. Its fun, time consuming and frustrating at first, then with time it becomes more natural and you wont know why you were having a hard time in the beginning.