With some help from Neverwinter Wiki and some searching, I've gathered the coords for the scrying stones in Sea of Moving Ice.
#1: 3753, -706
#2: 2069, 58 (its close to water lvl)
#3: 6449, 2346
And are you in need of pictures, then go to this page:http://neverwinter.gamepedia.com/Sea_of_Moving_Ice_Scrying_S...