HELP IN CRAFTING PLEASE

HI, ¿IS POSSIBLE CRAFT CAST WHILE CHANNELING LVL 20 AND +1 TO SOCKETED GEMS IN SHAPER EVENTUALITY ROD WARSTAFF ILVL 84?
I SPEND A LOT OF TRY WHIT FOSSILS AND STILL NON CAST WHILE CHANNELING.
I DON'T KNOW IF I HAVE TO MUCH BAD LUCK OR IT CAN'T HAVE THAT PREXIS.
IF IS POSSIBLE SOME ONE CAN CRAFT ME ONE? HOW MUCH COULD IT COST?