Gemcutter's Prism is a currency item in Path of Exile. It was introduced in the Heist expansion and is used to upgrade and enhance items. Gemcutter's Prism is the primary currency for trading in the game, and it can be used to purchase cosmetics, items, and more.

To obtain Gemcutter's Prism, players can either purchase it from other players, or they can obtain it from monsters, chests, and heists. Players can also purchase Gemcutter's Prism from the official website.

Once players have Gemcutter's Prism, they can spend it on a variety of things, such as upgrading rare items, buying unique items, and purchasing certain cosmetics. It can also be used to purchase chaos orbs, which can be used to reroll the properties of an item. Players can also use Gemcutter's Prism to purchase special crafting items, such as essence and fossils, which can be used to craft specific items.