Legendary Gems are vital for strengthening a character to create a top build in Diablo Immortal, and there are different ways to obtain them. Each jewel has a unique ability that affects damage, life, defense, and other aspects of combat. Legendary Gems also have different star ratings and ranks to unlock that grant additional skills or buffs. Not every gem will be suited for every character or build, but a lot of the Legendary Gems have abilities that most classes can benefit from.
In order to obtain a Legendary Gem, players will need to complete Elder Rifts with Legendary Crests, join a party that's running an Elder Rift with Legendary Crests, craft it with Runes, buy one from the Market, or purchase one from the Hilts trader. Additionally, players will receive different Legendary Gems for ranking up Diablo Immortal's Empowered Battle Pass. Only one Legendary Gem can be earned in the free version of the Battle Pass, and it's awarded for reaching the max rank of 40.
Related: How to Complete The Bestiary in Diablo Immortal
Legendary Gems are guaranteed to drop when using a Legendary Crest, but they can't be sold at the Market. For players that want to be able to sell Elder Rift Legendary Gems at the Market, Eternal Legendary Crests need to be used. These crests can only be purchased in the shop with Eternal Orbs, which require real money to obtain. However, players can also acquire sellable Legendary Gems for free by crafting a random one using FA Runes at the Apprentice Jeweler. Additional Runes can be purchased from the Rune vendor using Fading Ember, a material awarded for completing Elder Rifts regardless of whether or not a crest is used. Being able to acquire, sell, and upgrade Legendary Gems is crucial to building
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