ive played (not the whole time of course) runescape for 5 years and i assure you... You cannot dig anywhere to get to the pwn4g3 ruby ring. Sorry, mate! (iisii)
The Varrock Castle is east of the Varrock bank or northwest of the Varrock General store.
To the southwest of the Varrock palace, look out on your minimap for a dungeon symbol (a red curved arrow). That points to a "manhole"; enter it.
yes he is, he's right by the varrock museum (which is north of the varrock east bank)
Varrock bank, there are stairs inside it.
Telegrab.
near varrock west bank
varrock, above the west bank
there is no way to get the ring cuz of the angle its on
yes, outside the big bank near the grand exchange
telectonic grab (lvl 33 magic)
You can buy items from the Grand Exchange which is located in varrock. You get there by going to varrock's small west bank and walk north Happy runescaping. :)
inside any cave or dungeon