A gold bar is a bar of refined gold created through the Smithing skill at level 40 by using a gold ore with a furnace, or by casting the Superheat item spell on gold ore, granting 22.5 Smithing experience per bar. If goldsmith gauntlets are equipped, obtained after completing the Family Crest quest, the experience is boosted to 56.2 per bar. After an update at some point, smelting gold will fill any type of smelting urn (however only the base experience contributes, it does not stack with goldsmithing gauntlets).
Unlike other metal bars, gold bars cannot be made into weapons or armour. Instead, the primary use of gold bars is to create jewellery with the Crafting skill. To craft gold bars into jewellery, players must use a gold bar on a furnace with a proper mould in their inventory or on their tool belt. If players wish to craft jewellery with gems inset, they will need cut gems in their inventory before crafting the jewellery.
A single gold ore is worth 309 coins, while a gold bar is worth 933 coins. Thus, buying a gold ore and smelting it into a gold bar, then selling it, results in a profit of 624 coins. It is common to buy gold ores and smelt it while wearing goldsmith gauntlets as a low cost method of training Smithing. Doing this results in a higher rate of experience than smelting rune bars.
With a necklace mould (F2P) or bracelet mould (P2P) on a player's tool belt, they can smelt gold bars into jewellery, selling it on the Grand Exchange to increase the profit of smelting ores; doing so will yield slower Smithing experience an hour, but provides additional Crafting experience. The table below displays the expected profit from creating gold jewellery:
A Rogue can be found in Varrock which will purchase noted and un-noted golden jewellery from players, after completing the quest Summer's End. To find him, players must enter the Spirit Realm using Jennica's ring via the portal located in the Rogues' Castle courtyard and close the prison doors there; this will open them in the "real" world, allowing the players to access him later in Varrock.
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