You don't buy stones in Sapphire. You find them, or on an island near Mosdeep, you can trade shards for them. Ex: Red shard for firestones, blue shard for water stones.
POKE DOLL $1,000 RETRO MAIL $50 FIRE STONE $2100 THUNDER STONE $2100 WATER STONE $2100 LEAF STONE $2100
Celadon dept. store or seafoan islands
you can not buy a moonstone in any Pokemon game but you can find them somewhere
you can buy them in celadon
You can buy the TM at the game corner for 4,000 coins.
all i kno r vaporeon and poliwrath
Poliwhirl evolves into Poliwrath. Shelder evolves into Cloyster. Staryu evolves into Starmie. Eevee evolves into Vaporeon. You can buy the water stone at Celadon Dept. Store.
You can buy it at the Cleadon department store
buy it in celdon city
You can buy them at Celedon's Department Store.
You can buy one with Athlete Points at the Pokeathlon Store on some days, or you can get a Waterstone from Bill's grandfather after you show him a certain Pokemon.
For which game? Pokemon Red Pokemon Blue Pokemon Yellow Pokemon Gold Pokemon Silver Pokemon Crystal Pokemon Sapphire Pokemon Ruby Pokemon FireRed Pokemon LeafGreen Pokemon Emerald Pokemon Diamond Pokemon Pearl
Exchange Blue Shard with the Waterstone. You'll find waterstone in Abandoned Ship, too.
BUY IT
you can not buy a moonstone in any Pokemon game but you can find them somewhere
you cannot buy this item
Poke'athalon
Buy them.
You buy another.