Gems can be obtained from Mining and trading with other players. Using the Crafting skill, gems can be cut and made into jewellery and then enchanted using the Magic skill. Gems can also be cut into gem bolt tips. Wearing a charged Amulet of Glory increases a player's chances of finding gems while mining.
Gems are also a frequent drop from a wide range of monsters as a viable part of the Rare Drop Table and are occasionally given out as gifts from various Random Events. Gems can also be mined from the gem rocks in the northwest corner of Shilo Village.
The original free version gems were officially released in the Crafting update in May 2001. In March 2001, Jagex made gems appear while mining, although it was unintentional.