Cost of full level 13 Runes
1 CC = 510 Gold
CC Need: 1932456 Cost: 985552560g 0s 0c --> 9 662,28 Euros
GD Need: 13366813872 Cost: 108271192g 36s 32c --> 1 101.44 Euros
L1 Need: 24576 Cost: 10076g 15s 0c --> 0.10 Euros
Total Cost: 1093833828g 52s 32c --> 10.719,72 Euros
formatting does not work as desired, here is a picture. i just leave the text in case someone want copy/ paste this
click on image so it becomes clear instead of fuzzy and blurred
its not an absolute value as exchangerate fluctuates and thus values change a bit
some time ago this calculations result was ~ 13.000 Euros, so it got cheaper it seems
1 $ = 100 BC
1 € = 100 BC
so numbers are the same for both currencies
if you want to calculate yourself try
http://www.disturbedallods.com/runecalc
this are no exact values