Ansilvund | On the table at the end of Ansilvund Burial Chambers | Ansilvund is a ruin northeast of Shor's Stone. |
Black-Briar Lodge | Top floor | Black Briar Lodge is a building at the base of the mountains east of Riften. To get a map marker, visit the Bee and Barb in Riften and talk to Louis Letrush to start Promises to Keep. |
College of Winterhold | Arch-Mage's Quarters | Arch-Mage's Quarters are accessible after completing the College of Winterhold quest Under Saarthal. |
Dainty Sload | Inside the ship in the last room | The Dainty Sload is a ship found northeast of Solitude and southwest of Solitude Lighthouse. It is visited during the Thieves Guild quest The Dainty Sload. |
Dark Brotherhood Sanctuary | Astrid's room | The sanctuary is accessible after joining the Dark Brotherhood, or through the quest Destroy the Dark Brotherhood!. |
Dead Crone Rock | Stone altar opposite the Word Wall | Dead Crone Rock is a tower south-southwest of Markarth. To get a map marker, visit Dawnstar and talk to Silus Vesuius outside his home to start Pieces of the Past. |
Fellglow Keep | Up the stairs and to the right | Fellglow Keep is a fort east-northeast of Whiterun. To get a map marker, after the College of Winterhold quest Under Saarthal speak to Urag gro-Shub in the library to start Hitting the Books. |
Hob's Fall Cave | The gem is near the alchemy set under the bridge in the northwestern part of the cave system | Hob's Fall Cave is a small cave on the coast between Winterhold and Dawnstar. To get a map marker, after becoming a member of the Bard's College, talk to Pantea to start Pantea's Flute. |
Markarth | The Treasury House, Thonar's bedroom | Pick an Apprentice lock to enter the bedroom. |
Markarth | Understone Keep, Dwemer Museum | There are several ways to enter the museum. The two fastest are: (1) Talk to Calcelmo in Understone Keep to start Nimhe, the Poisoned One. The museum key is awarded upon completion. (2) Steal the museum key on the table near Calcelmo, or pick the Adept lock. This method will make the museum guards hostile towards you. |
Pinewatch Bandit's Sanctuary | Press the hidden button to the right of the bookcase, providing access to the bandit's hideout. The gem is found in a locked room in the Bandit's Sanctuary. | Pinewatch is a building that can be found by following the road east-northeast from Falkreath. It is visited during the Thieves Guild quest Silver Lining. |
Rannveig's Fast | After falling down the trapdoor in front of the chest and the Word Wall, the stone is next to the alchemy lab and chest on the right | Rannveig's Fast is a ruin in the mountain range south of Morthal, north of Swindler's Den. |
Reeking Cave or Thalmor Embassy | Prior to official patch 1.4, the stone is located in the Thalmor Embassy in Elenwen's Solar on the second floor. After patch 1.4, inside Reeking Cave. | The gem can be acquired during the main quest line quest Diplomatic Immunity. However, it is possible to access Reeking Cave by jumping and using Whirlwind Sprint. |
Riften | Mistveil Keep, Jarl's bedroom | |
Solitude | Blue Palace, Jarl's bedroom | |
Solitude | Proudspire Manor | Must buy the house but no upgrades are required. |
Stony Creek Cave | On the table next to the alchemy lab in the room off to the side | Stony Creek Cave is south of the Eastmarch Imperial Camp by a small lake with a dock. To get a map marker, after becoming a member of the Bard's College, talk to Inge Six Fingers to start Finn's Lute. |
Sunderstone Gorge | On the table with two bodies in front of the Word Wall | Sunderstone Gorge is a cave found south of Fort Sunguard. |
Whiterun | Dragonsreach, Jarl's bedroom | |
Whiterun | Hall of the Dead, inside the catacombs | |
Whiterun | Jorrvaskr's living quarters, Kodlak's room | |
Windhelm | House of Clan Shatter-Shield | Pick a Master lock to enter. |
Windhelm | Palace of the Kings, upstairs in Wuunferth's room | |
Yngvild | The gem is in the bedroom behind the throne in Yngvild Throne room | Yngvild is a cave found on an island east-northeast of Dawnstar. It is visited during the Thieves Guild quest Toying With The Dead. |