you fight the pokemanic then he tells you
North in six island.
Six island its in the north.
It's on Six Island in that cave with the Braille.
The gem is on six island not seven island and its inside a cave called dotted hole.
Six island its a cave in the southern portion of the island.
The sapphire is on Six Island. You need a Pokemon to use cut on the dotted door of the cave.
Wobuffet can be found on six island in ruin valley and in cerulean cave.
the ruby is in the cave on mt. ember on one island. the sapphire is in dotted hole on six island.
ITs at the bottom of island six in a place called dotted hole
use cut. read up on your braille.
You can find the sapphire in the dotted hole cave on six island to find the cave go to the southern portion of the island, use Cut on the door to open it then fall down the hole in the cave then fall down the holes in this sequence: up, left, right, down.
Go to four island and go in icefall cave find HM7 then use it to go up the waterfall go to the ladder then defeat the rocket talk to lorelei then leave and go to six island go back to the cave and the guy will not be there use Cut to open the door.