The main RuneScape Wiki has an article on: Sapphire Amulet of magic
The Old School RuneScape Wiki also has an article on Sapphire Amulet of magic.

The Sapphire Amulet of magic is an item that provides the highest magic bonus of any amulets in the game. You can make this amulet by taking a cut sapphire, a gold bar, and an amulet mould to a furnace and crafting an unstrung sapphire amulet. Then, you can string the amulet with a ball of wool. The strung amulet can be enchanted at level 7 magic. You can also purchase it from Davon's Amulet Store.

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Shop Location Stock
Davon's Amulet Store Brimhaven 1

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