PC Green Item "The Soulstone"

i just found a green item called the soulstone

its stats are

# Energy +12 (Req. 9 Divine Favor)
# Divine Favor + 1 (20% chance while using skills)
# HP +45 (while enchanted)

i cant find it for sale anywhere or with a ref for a price, can someone help?

there is a pic of it here