Gem Locations: How to Find All Gems

Gems are a Vault collectible found in each mansion in Luigi's Mansion 2 HD (Luigi's Mansion: Dark Moon). See all gem locations and rewards for finding all gems!

All Gem Locations

How to Use the Interactive Map

The Interactive Map both shows the location of key points on the map, and doubles as a collectible checker.

1. Click an icon on the right side to show all the pins of a specific type, or click the magnifying glass button to search for a specific pin by name.
2. Click a pin on the map to see its name and description, and a relevant picture or video if available.
3. From here, click Mark as Acquired to indicate that you've gotten a collectible already. This will change its icon on the map to show that it has been collected, and add 1 to that pin type's Counter.
4. To undo this, click on the same pin and click Restore to unclaimed.
5. To check how many pins you have marked so far, check the Counter in the bottom left, and click the icon that looks like a checklist to see counters for all pin types.
6. If the collected pins start to get in the way, you can hide them all by clicking the green Show Pins button on the left side.

Icon	How to Use
	Show Names This button reveals the Name of every icon currently shown.
	Show Pins This button will toggle between showing and hiding all the pins which you have already marked as acquired.
	Fullscreen This button will change the map display to fill the screen.
	Search Mode Toggle This button will display a searchbar which you can use to search for an individual pin by its name.
	Icon Mode Toggle In Search Mode, this button will toggle you back to Icon Mode, removing the search bar and displaying the icons again.
	All Pins This button is shown along with the Icons on the right when there are over 6 types of pins. Click it for a full selection of all available pin types.
	Counter Tracks the number of pins you have of a certain type. The pin type shown is set to the page and currently cannot be changed; however, all pin type counters can be viewed by clicking the checklist icon on the right side.
	View All Counters This icon is found on the right side of the Counter. When a map has more than one pin type, click this icon to see Counters for all pin types.
	Zoom In / Zoom Out This icon is found on the top left side of the map. You can press these buttons, or use your scroll wheel while hovering, to Zoom In and Out of the interactive map.

Gloomy Manor

✔️	Gem	Image	Mission	Also Found In	How to Find
	Circle Amethyst		A-1 Poltergust 5000	All A missions, Bonus	Room: Mudroom Exterior Head to the Entrance after obtaining the Strobobulb. Go into the east room, and flash the light there to unlock the door to the Mudroom Exterior. Head Norwest, then aim up and use the Poltergust to vacuum it from the tree.
	Triangle Amethyst		A-1 Poltergust 5000	All A missions, Bonus	Room: Front Yard Head out to the Front Yard, use the Strobulb on the second flower from the right, and the flower will drop the Triangle Amethyst
	Rectangle Amethyst		A-2 Gear Up	A-2 to A-5, Bonus	Room: Parlor Head towards the Master Hall, and proceed towards the door located on the southwest portion of the map. From there, head inside the room and aim your Strobulb towards the clock inside the Parlor to acquire the Rectangle Amethyst.
	Football Amethyst		A-2 Gear Up	A-2 to A-5, Bonus	Room: Studio Head towards the Study, and roll up the carpet to reveal a switch that turns off the fireplace in the room. Proceed towards the fireplace to reach the Studio. Proceed towards the window curtain on the northwest, and suck up the left portion of the curtain using the Poltergust.
	Drop Amethyst		A-3 Quiet Please!	A-3, Bonus	Room: Entrance Interact with the suit of armor on your right to make its helmet fall off. From there, suck up the helmet using the Poltergust and aim it towards the portait located at the northwest portion of the wall facing you. Hit the portrait to reveal the gem hidden behind it.
	Stone Amethyst		A-3 Quiet Please!	A-3 to A-5, Bonus	Room: Dining Room Head to the Dining Room, and proceed towards the east portion area of the room. Aim your Strobulb to the ceiling, and look for a safe. Once you've flashed the safe, the gem will fall down from it.
	Rhombus Amethyst		A-3 Quiet Please!	A-3 to A-5, Bonus	Room: Kitchen Interact with the fridge in the kitchen to open it. Suck up the block of ice using the Poltergust, and place it above the fire stove to melt it. From there, acquire the gem from the melted ice.
	Star Amethyst		A-4 Visual Tricks	A-3 to A-5, Bonus	Room: Foyer Flash your Strobulb on the west portion of the Patio to reveal a hidden door. Suck up the Spirit Balls that emerged, and proceed inside the room. From there, use the Poltergust to vacuum the gem inside the aquarium located on the west end of the room.
	Octagon Amethyst		A-4 Visual Tricks	A-3 to A-5, Bonus	Room: Patio Shine the Dark-Light Device on the left side of the fountains to reveal the missing one. Suck up the Spirit Balls using the Poltergust, and claim the gem that fell on the grass.
	Oval Amethyst		A-4 Visual Tricks	A-4 to A-5, Bonus	Room: Library Flash the Strobulb on the west portion of the Library to reveal a globe. Suck up the Spirit Balls that are flying around the room. Vacuum the globe in the library using the Poltergust, and fire it towards the fireplace to reveal a hidden gem inside it.
	Spindle Amethyst		A-4 Visual Tricks	A-2 to A-5, Bonus	Room: Study Vacuum the curtains located on the portrait at the west part of the wall facing you. From there, flash the Strobulb on the portrait to reveal a hidden gem inside it.
	Coffin Amethyst		A-5 Sticky Situation	A-5, Bonus	Room: Rafter Proceed towards the southeast portion of the area until you reach a mirror at the corner of the area. Vacuum the gem above the mirror to acquire it.
	Mushroom Amethyst		A-5 Sticky Situation	A-5, Bonus	Room: Bedroom Ignite the stove, then use the Poltergust to make the ceiling fan rotate in the Bedroom. The ball of web attached to it will spin around and get caught on fire. Once the web burns away from the dressing screen, go behind it to acquire the gem.

Haunted Towers

✔️	Gem	Image	Mission	Also Found In	How to Find
	Circle Emerald		B-1 A Job for a Plumber	All B missions, Bonus	Room: Tower Lobby Head towards the area behind the first flight of stairs in the Tower Lobby. From there, acquire the gem you find in the area.
	Triangle Emerald		B-1 A Job for a Plumber	B-1, Bonus	Room: Laboratories Use a bulb to access the floor above you. Float towards the west portion of the area, and descend down the opening of the tank. From there, vacuum the webs surrounding the gem and acquire it.
	Rectangle Emerald		B-2 The Pinwheel Gate	B-2 to B-5, Bonus	Room: Garden Use the Poltergust to water the flower located on the southeast portion of the area. After the flower blooms, flash it with the Strobulb to reveal the hidden gem.
	Football Emerald		B-2 The Pinwheel Gate	B-2 to B-5, Bonus	Room: Botany Lab Use the Poltergust to water the flower located on the northeast portion of the area. After watering the flower on the left and waiting for it to bloom, flash it with the Strobulb to reveal the hidden gem.
	Drop Emerald		B-2 The Pinwheel Gate	B-2 to B-5, Bonus	Room: Seedling Laboratory Proceed towards the shooter mechanism in the area, and shoot the mouse dashing around the room. Hitting it will grant you the hidden gem.
	Stone Emerald		B-2 The Pinwheel Gate	B-2 to B-5, Bonus	Room: West Garden Once you've gained access to the Maintenance area, fix the pipes by the stairs, then shoot a seed pod towards the giant flytrap in the area. From there, proceed towards the chest to acquire the hidden gem.
	Rhombus Emerald		B-3 Graveyard Shift	B-3, Bonus	Room: Hollow Tree After the cutscene where Luigi goes down with a web, suck up a web ball, set it on fire with the torch, and head to the west cave to burn down the cobwebs. Then, grab the bucket, fill it with water in the pond in the middle, water the flower in the east cave, use the Strobulb on the flower, and it will drop the Rhombus Emerald.
	Star Emerald		B-3 Graveyard Shift	B-3 to B-5, Bonus	Room: Old Graveyard Upon entering the old graveyard, use the Poltergust to suck the Star Emerald that is hanging on a vine.
	Octagon Emerald		B-4 Pool Party	B-4, Bonus	Room: Skybridge Head towards the Skybridge, avoid the attacks of the deadly plants, and after sucking up the third plant, it will drop the Octagon Emerald.
	Oval Emerald		B-4 Pool Party	B-4, Bonus	Room: Rumpus Room Head up to the Rumpus Room, walk around the big doll on the west side that is watching you until its head falls off, and the Oval Emerald will drop.
	Spindle Emerald		B-4 Pool Party	B-4 to B-5, Bonus	Room: Solarium Head towards the Solarium, use the Dark-Light Device on the table in the north where a chest originally was, and open the chest to obtain the Spinde Emerald.
	Coffin Emerald		B-4 Pool Party	B-4	Room: Conservatory Head towards the conservatory, suck up a bulb from a flower, use it to float towards the upper right platform, use the Dark-Light Device to reveal a hidden door, complete the time challenge, and open the chest to obtain the Coffin Emerald.
	Mushroom Emerald		B-4 Pool Party	B-4 to B-5, Bonus	Room: West Bathroom Enter the west bathroom after getting a key for it, defeat all the enemies inside, pull the toilet paper on the west wall, and a Mushroom Emerald will drop.

Old Clockworks

✔️	Gem	Image	Mission	Also Found In	How to Find
	Circle Ruby		C-1 A Timely Entrance	C-1 to C-4, Bonus	Room: Clockworks Court In Clockworks Court, head towards the east side, use the Dark-Light Device to reveal a toolbox at the end of the rail, and open the toolbox to obtain the Circle Ruby.
	Triangle Ruby		C-1 A Timely Entrance	C-1 to C-4, Bonus	Room: Warehouse Enter the warehouse, use the Dark-Light Device to reveal a green barrel near the door on the north, place the barrel on the machine to unwrap its green wrap, and a Triangle Ruby will drop. The green barrel is on top of a box, on the right side of the door that leads to the Roundhouse.
	Rectangle Ruby		C-1 A Timely Entrance	C-1 to C-4, Boss, Bonus	Room: Clock Tower Gate Upon entering the Clock Tower Gate, head towards the north side by the broken window, use the Dark-Light Device to reveal a toolbox, and open it to obtain a Rectangle Ruby.
	Football Ruby		C-2 Underground Expedition	C-2 to C-4, Bonus	Room: Storm Cellar Head down to the Storm Cellar, defeat all the enemies, suck up the sheet that is covering the painting on the southwest corner, use the Dark-Light Device on the painting above the bed, and a Football Ruby will drop.
	Drop Ruby		C-2 Underground Expedition	C-2 to C-4, Bonus	Room: Canyon Stairs Head to the Canyon Stairs, go up the platform on the east, and use the Poltergust to suck the Drop Ruby that is stuck up on the east wall.
	Stone Ruby		C-2 Underground Expedition	C-2, Bonus	Room: Quarry Head down to the lower floor of the Quarry, pull the cart to reveal a hidden cave behind, and use the Poltergust to suck the Stone Ruby that is stuck on the ceiling.
	Rhombus Ruby		C-3 Roundhouse Brawl	C-3	Room: Clockmaker's Chamber Head up to the Clockmaker's Chambers, suck the carpet in the middle, use the Poltergust to blow some air until the clock on the wall reaches 9:00, and defeat the enemy holding the Rhombus Ruby to obtain the gem.
	Star Ruby		C-3 Roundhouse Brawl	C-3 to C-4, Bonus	Room: Roundhouse After the cutscene, upon entering the Roundhouse, go across the railings on the left side to get to the north side. Then, go across the railings on the right side to get to the south side, head towards the south east, and open the toolbox at the very end of the balcony to obtain the Star Ruby.
	Octagon Ruby		C-3 Roundhouse Brawl	C-3 to C-4, Bonus	Room: Roundhouse Head down to the lower floor of the Roundhouse, go down a couple of stairs, then head west and use the Poltergust to suck the Octagon Ruby stuck up on the north wall.
	Oval Ruby		C-5 Piece at Last	C-5	Room: Gear Chamber Head down to the lower floors of the Gear Chamber, defeat all the beetles coming out of the hole on the north wall, use the Dark-Light Device to reveal a hidden wooden plank, go through the hidden room in the hole on the north wall, and finish the time challenge. Open the chest to obtain the Oval Ruby.
	Spindle Ruby		C-5 Piece at Last	C-5, Bonus	Room: Maintenance Hub Head to the Maintenance Hub, use the strobulb to swing across to the left side, head down the lower floor, use the Dark-Light Device to reveal a toolbox in the middle beneath the big gear, and open it to obtain the Spindle Ruby.
	Coffin Ruby		C-5 Piece at Last	C-5	Room: Service Elevator Once you found the missing Toad, head back to the Sevice Elevator, pull the sheet covering the big mirror in the east, aim and shoot the Toad towards the gem opposite the mirror, and the Toad will grab the Coffin Ruby for you.
	Mushroom Ruby		Showtime	Boss, Bonus	Room: Movements Head into Movements, go to the window in the west, and use the Poltergust to suck the Mushroom Ruby just outside the window.

Secret Mine

✔️	Gem	Image	Mission	Also Found In	How to Find
	Circle Sapphire		D-1 Cold Case	All D missions, Bonus	Room: Smokehouse Head into the Smokehouse, defeat all the enemies inside, use the Dark-Light Device to reveal a coat hanging on the north wall by the door, pull it down, and a Circle Sapphire will drop.
	Triangle Sapphire		D-1 Cold Case	All D missions, Bonus	Room: Fishing Hut Head towards the Fishing Hut after the cutscene with the Boo, suck up the snow by the entrance on the left, and you will obtain a Triangle Sapphire.
	Rectangle Sapphire		D-1 Cold Case	D-1	Room: Under the Ice After the cutscene with the Toad, go to the upper floor of Under the Ice with the Toad, shoot the Toad towards the hole in the north wall, and Toad will slide down the lower floor with the Rectangle Sapphire.
	Football Sapphire		D-1 Cold Case	All D missions, Bonus	Room: High Wires Head to the High Wires, use the Poltergust to swing onto the platform with a nest on the west wall, use the Strobulb to scare the birds, and use the Poltergust again to suck the Football Sapphire.
	Drop Sapphire		D-1 Cold Case	All D missions, Bonus	Room: Airway Head to the Airway via the Terminal and use the telescope to see that the gem was dropped into a barrel by a bat. Head to the Airway via the Basin, go across the rope bridge, and interact with the barrel on the other side to obtain the Drop Sapphire.
	Stone Sapphire		D-2 Hit Rock Bottom	D-2 to D-3, Bonus	Room: Chalet Approach Head out to Chalet Approach, use your Poltergust to get the flaming turkey on top of the grill in the west, use it on the frozen painting just down the stairs on the east, and use the Dark-Light Device on the painting to obtain the Stone Sapphire.
	Rhombus Sapphire		D-2 Hit Rock Bottom	D-2 to D-3, Bonus	Room: Prospector's Crossing Head into Prospector's Crossing, use the Dark-Light Device to reveal a hidden pickaxe near the hanging lantern, use the Poltergust on the pickaxe to reveal hidden blocks of wood behind the wall, and use the wooden blocks to break the ice where the Rhombus Sapphire is stuck.
	Star Sapphire		D-2 Hit Rock Bottom	D-2 to D-3, Bonus	Room: Skip Slope Slide down the Skip Slope, head towards the left side, and try to grab the Star Sapphire as you're sliding down.
	Octagon Sapphire		D-2 Hit Rock Bottom	D-2 to D-3, Bonus	Room: Shaft Head down the Shaft by using the Poltergust to turn the gear on the lift, once you reach the bottom, pull the chain, then head up until you see a hole containing the Octagon Sapphire.
	Oval Sapphire		D-2 Hit Rock Bottom	D-2 to D-3, Bonus	Room: Deep Hall After you have transported some rocks from Pit Mine, use the Poltergust on the rocks and set it on fire in the fire pit, then aim the flaming rock on the ceiling just above the fire pit, and the Oval Sapphire will drop.
	Spindle Sapphire		D-3 Across the Chasm	D-3, Bonus	Room: Crossroads Head into Crossroads, go through the portal, use the Dark-Light Device to reveal the drawer opposite the door, and suck up all the snow to obtain the Spindle Sapphire.
	Coffin Sapphire		D-3 Across the Chasm	D-3, Bonus	Room: Crystal Quarry E-Gate Head into Crystal Quarry, use the Strobulb to open the portal, and once you go through the portal, it will lead you to the Chalet along with the Coffin Sapphire.
	Mushroom Sapphire		D-3 Across the Chasm	D-3	Room: High Wires After you melt down the frozen swings in the Gondola, head towards High Wires. Use the Poltergust to reach the platform on the west, then go across the fallen tree to the north until you reach a door with a crescent moon symbol. After entering the door, complete the time challenge, and you will receive the Mushroom Sapphire as a reward.

Treacherous Mansion

✔️	Gem	Image	Mission	Also Found In	How to Find
	Circle Diamond		E-1 Front-Door Key	E-1, Bonus	Room: Underground Lab Head into the Underground Lab, defeat all the enemies and the Boo, use the iron helmet to shoot the glass bottle up on the wall on the east, and grab the Circle Diamond as it drops down.
	Triangle Diamond		E-1 Front-Door Key	E-1, Bonus	Room: Haunted Catacombs Head into the Haunted Catacombs past the Underground Lab, head towards the very northeast corner, and use the Dark-Light Device on the painting on the wall to grab a flaming web ball. Then head towards the west until you find a web and burn it down to obtain the Triangle Diamond hidden behind.
	Rectangle Diamond		E-1 Front-Door Key	E-1, Bonus	Room: Cliffside Head towards Cliffside through the door on the southeast corner in Haunted Catacombs. Then use the Poltergust to suck the Rectangle Diamong hanging on a vine.
	Football Diamond		E-2 Double Trouble	E-2 to E-3, E-5, Bonus	Room: Front Entrance At the Front Entrance, use the Dark-Light Device to reveal the statue on the right side at the bottom of the stairs, and then pull the chain to reveal the secret vault. Once you open the vault and defeat all the enemies, you can obtain the Football Diamond inside.
	Drop Diamond		E-2 Double Trouble	E-2 to E-3, E-5, Bonus	Room: Restrooms In Grand East, use the Dark-Light Device to reveal a hidden door in the west area. The door will lead you to Restrooms, and once you pull the chain to flush the toilet, it will burst out the Drop Diamond.
	Stone Diamond		E-2 Double Trouble	E-2, Bonus	Room: Gargoyle Roof On the Gargoyle Roof, suck up shooting stars from the sky and the gargoyles to complete the star constellation in the sky. Once the star constellation is completed, it will drop the Stone Diamond on the roof.
	Rhombus Diamond		E-2 Double Trouble	E-2 to E-3, E-5, Bonus	Room: Anceint Exhibit Once you've got a bucket of water from Jungle Exhibit, head towards the Ancient Exhibit. In the Ancient Exhibit, bring the bucket of water on the upper floor through the cave in the east, and then water the flower. Then use the Strobulb on the flower to make it drop the Rhombus Diamond.
	Star Diamond		E-3 A Train to Catch	E-3, E-5, Bonus	Room: Aviation Exhibit Head into the Aviation Room, pull down the heavy bags tied to the hot air balloon, defeat all the enemies, and the Star Diamond will drop from the hot air balloon.
	Octagon Diamond		E-3 A Train to Catch	E-3, E-5, Bonus	Room: Nautical Exhibit Once you've got a bucket of water from Jungle Exhibit, head towards the Nautical Exhibit. In the Nautical Exhibit, place the bucket of water opposite the steering wheel on the upper right to reveal a hidden room. In the hidden room, open the chest on the end of the ship to obtain the Octagon Diamond.
	Oval Diamond		E-3 A Train to Catch	E-3, E-5, Bonus	Room: Dark Age Exhibit Using your Poltergust, suck up a bulb from Study to float on the upper right platform in Front Entrance and get the book in the gargoyle's mouth. Suck the book into the Dark Age Exhibit and place it on the bookshelf in the middle, and then the Oval Diamond will be revealed.
	Spindle Diamond		E-3 A Train to Catch	E-3	Room: Jungle Exhibit Using your Poltergust, suck up a bulb from Study and bring it into the Jungle Exhibit. In the Jungle Exhibit, use the bulb to float on the upper left platform and then suck the golden bulb. After collecting all the coins by using the golden bulb, head to the upper right platform to open the chest and obtain the Spindle Diamond.
	Coffin Diamond		E-3 A Train to Catch	E-3	Room: Ice Age Exhibit Using your Poltergust, suck up a bulb from Study and bring it into the Ice Age Exhibit. In the Ice Age Exhibit, use the bulb to float on the upper left platform and then suck the golden bulb. After collecting all the coins by using the golden bulb, head back to the upper left platform to open the chest and obtain the Coffin Diamond.
	Mushroom Diamond		E-3 A Train to Catch	E-3, E-5, Bonus	Room: Train Exhibit Head into the Train Exhibit, defeat all the enemies, use the Dark-Light Device to reveal a hidden rail track in the middle, then ride the train around the room, and once the train stops, you have already obtained the Mushroom Diamond.

How to FInd Gems

Flash Strobulb Around the Area to Reveal Secrets

Some gems can be found behind secret doors and invisible items that can be revealed using your Strobulb. Explore the area, and try using the Strobulb to reveal secret rooms and items in the game.

Vacuum Spirit Balls Using Poltergust

There are instances where you will reveal a passageway or item using your Strobulb, and release Spirit Balls that will fly around the are. Use your Poltergust to vacuum the Spirit Balls to reveal the hidden gem in the area.

Solve Stage Puzzles

Some gems require some puzzle solving in order to reveal themselves. Interact with objects around the area, and check for items that may lead to secret passageways or reveal unseen gems hidden along the way.

Vacuum Conspicuous Items

Some gems can be found by vacuuming items such as curtains or table cloths found throughout your progress. Be sure to use your Poltergest every now and then so you could some gems if you're lucky.

Gem Completion Rewards

Viewable Statues

Collecting 13 gems of a mansion gets you a viewable statue in your vault. Collecting all the statues rewards you an E. Gadd icon necessary for 100% completion.

All Luigi Statues

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