Well I got about 1 hour invested in modelling the gemstone...maybe less...the scene modelling could be compressed down to about 3 hours if you don't count all the tweaking of the modelling to get what I like...then I got another 4-5 hours in texture tweaking...and about 2 hours in lighting....the render takes 38 minutes...I've rendered it and re-rendered it numerous times so there's a lot of waiting...

As for offending satanists? hmmm...who cares...this is aimed at the D&D pantheon's hell.