As of today, 06/21/2012, these are the prices he charges for the above spells:
Diregriffon's Bite: 702p 0g 7s 8c
Fever Spike: 737 9 5 9
Focus of Amilan: 692 9 49 0
Healing of Uluanes: 686 2 1 4
Minhoten Mending: 738 2 4 0
Promised Mending: 779 4 2 6
Ruthless Ferocity: 855 3 6 6
Spellbreaker's Guard: 863 4 2 7
Spiked Sleet: 807 8 8 0
Spirit of Lairn: 824 9 0 3
Spirit of Uluanes: 522 0 0 7
Spiritual Enlightenment: 815 1 8 2
Spiritual Vim: 730 6 1 7
Steeltrap Jaws: 851 1 2 0
Unparalled Voracity: 783 1 0 5
With the exception of the Warder's spell (Spirit of Uluanes) all of the above are Rank I spells.
Hope this helps.