RESIDENT EVIL 5

The most adequate guide https://steamcommunity.com/sharedfil.../?id=418224759

There is a similar guide, only more informative (the price of the treasure is indicated, a screenshot is attached, and how to get it is described in more detail. In Russian)

Chapter 1-1: after you jump out of the window, kill all the Majini that appear, from which, according to the plot, you must run away. The last enemy will have a rock. (Topaz (Marquise)) (3000)
Chapter 1-1: Reward for killing Executioner Majini (big guy with a huge axe). (Gold Ring) (5000)

Chapter 1-2: In a chest on the balcony of the house where two Majini ambushed. (Antique Clock) (2000)
Chapter 1-2: Reward for killing Alysson. (Ivory Relief) (2000)
Chapter 1-2: Reward for killing Uroboros (without combustion chamber). (Gold Ring) (5000)


Chapter 2-1: In the canal, next to the four "dead" Majini. (Sapphire (Pear)) (1000)
Chapter 2-1: At the market, you need to have time to kill the first majini running by. If it doesn't work out, then you won't get the treasure. Immediately run closer, he will spin in place and will be killed. (Diamond (Pear)) (2000)
Chapter 2-1: After the player climbs the stairs from the sewer, on the map "The Port", in the water, next to the ship. (Topaz (Pear)) (1000)
Chapter 2-1: During the battle in the market, when you need to knock the key off the suspended body, throw a grenade at the stall in the center where the chest is located. The stone is in this chest. (Ruby (Marquise)) (3000)
Chapter 2-1: In the chest, after the battle with Chainsaw Majini. (Ruby (Square)) (1000)

Chapter 2-2: On the boards, next to the stairs to the roof of the carriage. (Jewel Beetle) (2000)
Chapter 2-2: At the very beginning of the chapter, behind the far carriage, on the wall. (Jewel Beetle) (2000)
Chapter 2-2: In the caves, on the ceiling, above the place where the second Majini stood on the map. (Ruby (Pear)) (1000)
Chapter 2-2: Above the suspension bridge, next to the waterfall. (Ruby (Pear)) (1000)
Chapter 2-2: Found in the mines, at the fork. Before exiting, turn left from the tracks and walk along the wall until you find a chest with this stone. (Diamond (Oval)) (4000)
Chapter 2-2: After the scene with Irving, go behind the heavy machine gun, look at the small stairs on the left. The stone lies in the chest, which is located on this ledge. (Diamond (Brilliant)) (4000)
Chapter 2-2: After Irving escapes, on the wall, next to the long stairs, behind the machine gun. (Diamond (Pear)) (2000)
Chapter 2-2: After Irving escapes, on the wall above the small balcony before the boss fight. (Diamond (Square)) (2000)

Chapter 3-1: In the cow's skull, at the very beginning of the chapter. (Ruby (Pear)) (1000)
Chapter 3-1: At the very beginning of the chapter, on a pillar, next to the puzzle piece. (Brown Beetle) (1000)
Chapter 3-1: On the sunken ship where RPG-7 lies. (Brown Beetle) (1000)
Chapter 3-1: In the village closest to the beginning of the level, on one of the trees, next to the bridge. (Brown Beetle) (1000)
Chapter 3-1: In a chest, in the center of the very first village, in the swamps. (Silver Idol) (2000)
Chapter 3-1: In the cow skull, above the altar, on the island with two towers. (Emerald (Pear)) (1000)
Chapter 3-1: In a chest on the chicken farm, in the middle of the swamps. (Silver Chalice) (2000)
Chapter 3-1: On the island with the chicken farm, to the right of the old canoe. (Brown Beetle) (1000)
Chapter 3-1: In the alligator pen, on a tree. Follow the left-hand rule. (Brown Beetle) (1000)
Chapter 3-1: In a chest on the tower, next to the fish tanks, in the far corner of the swamps. (Silver Chalice) (2000)
Chapter 3-1: In the fish tanks, in the far corner of the map, next to the ladder. (Brown Beetle) (1000)
Chapter 3-1: In the chest on one of the towers, where the Shaman Slate lies. (Silver Idol) (2000)
Chapter 3-1: On the island with two turrets, in a cow skull, on a pole, next to the first hut. (Ruby (Pear)) (1000)
Chapter 3-1: Near the island where there is a Shaman Slate in one of the turrets. Having set off, move along the right wall, the beetle will be on a tree growing out of the water. (Brown Beetle) (1000)
Chapter 3-1: Dropped by Giant Manjini (Tribal Leaders in Chapter 3-1) (Blue Enigma) (3000)
Chapter 3-1: In a chest, inside a small cave, in front of the minecart. (Ceremonial Mask) (4000)

Chapter 3-2: On a barrel in an oily puddle, next to the Tricell tents. (Jewel Beetle) (2000)
Chapter 3-2: Behind the first valve, on the iron beam. (Jewel Beetle) (2000)
Chapter 3-2: Reward for killing the first two Chainsaw Majini. (Venom Fang) (3000)
Chapter 3-2: Reward for killing two Big Man Majini. (Gold Ring) (5000)
Chapter 3-2: Reward for killing the third Chainsaw Majini, near the elevator. (Gold Ring) (5000)

Chapter 3-3: Near the second gate, on the far walkway, opposite the crate with the M3 shotgun. (Sapphire (Pear)) (1000)
Chapter 3-3: Near the second gate, in the closet, in the room that is located between the two machine guns. (Emerald (Marquise)) (3000)

Chapter 4-1: Before you go up the first staircase, go to the end of the passage. You will see a chest containing this stone. (Topaz (Trilliant)) (2000)
Chapter 4-1: On the ceiling, at the beginning of the chapter, next to the chest containing Topaz ("Trilliant"). (Sapphire (Pear)) (1000)
Chapter 4-1: In the lamp, at the beginning of the chapter, between the door leading to the city of Ndipaya and the stone bridge. (Emerald (Square)) (1000)
Chapter 4-1: In the lamp, on the stone bridge, at the beginning of the chapter. (Emerald (Pear)) (1000)
Chapter 4-1: In the lamp, next to the door leading to the city of Ndipaya. (Sapphire (Pear)) (1000)
Chapter 4-1: In the cow skull, next to the door leading to Ndipaya town. (Ruby (Pear)) (1000)
Chapter 4-1: In the cow skull, next to the door leading to Ndipaya town. (Topaz (Pear)) (1000)
Chapter 4-1: At the first arch, in the city of Ndipaya. (Topaz (Square)) (1000)
Chapter 4-1: In the lamp on the stairs, after the Indians collapse the bridge. (Topaz (Pear)) (1000)
Chapter 4-1: In the lamp, in the room, next to the sarcophagus filled with gold. (Sapphire (Square)) (1000)
Chapter 4-1: When you fall down from the empty sarcophagus trap, the stone will be in one of the three treasure chests at the end of the corridors. (Ruby (Trilliant)) (2000)
Chapter 4-1: When you fall down from the empty sarcophagus trap, the stone will be in one of the three treasure chests at the end of the corridors. (Emerald (Trilliant)) (2000)
Chapter 4-1: When you fall down from the empty sarcophagus trap, the stone will be in one of the three treasure chests at the end of the corridors. (Sapphire (Trilliant)) (2000)
Chapter 4-1: Under the first statue with chains. (Sapphire (Square)) (1000)
Chapter 4-1: Under the second statue with chains. (Emerald (Square)) (1000)
Chapter 4-1: In the chest, next to the second statue with chains. (Golden Idol) (3000)
Chapter 4-1: Under the top purple statue with the chain. (Sapphire (Pear)) (1000)
Chapter 4-1: Underneath the lower purple statue with the chain. (Ruby (Pear)) (1000)
Chapter 4-1: Under the last statue with chains. (Ruby (Oval)) (2000)
Chapter 4-1: Kill the boss at the end of the chapter without using a QTE. You need to kill him before he starts climbing the stairs to the exit. (Soul Gem) (10000)

Chapter 4-2: On the altar, in one of the secret rooms, on the third level there are puzzles with rays of light. (Golden Beetle) (3000)
Chapter 4-2: After you open the passage by inserting all 3 emblems into the door, go up the stairs. You will see this stone right above the door you need to enter. Shoot him to make him fall and take him. (Diamond (Trilliant)) (4000)

Chapter 5-1: After the chapter starts, turn around 180 degrees. The stone will be on the wall, above the entrance. (Ruby (Square)) (1000)
Chapter 5-1: At the very beginning of the chapter, if you walk around the flower beds clockwise. (Jewel Beetle) (2000)
Chapter 5-1: Dropped by "Licker" (not from everyone, but at least one from the entire group of monsters will have this treasure). Also found in chapters 5-2 and 5-3. (Lion Heart) (2500)
Chapter 5-1 onwards: Reward for killing Rocket Launcher Majini. (Dead Bride's Necklace) (2000)

Chapter 5-2: Randomly appear next to bodies on the conveyor belt. (Dead Bride's Necklace) (2000)

Chapter 5-3: After leaving the room where the previous boss was, follow the path around and turn left at the fork - the stone is in the safe, which will be to the left of the entrance to the room. (Sapphire (Marquise)) (3000)
Chapter 5-3: After you leave the room with the giant rotating lift, look at the ceiling - the stone should be between the last two lamps. (Ruby (Brilliant)) (2500)
Chapter 5-3: Can be found in the hall with the drawbridge and the crowd of "Lickers", high on the wall that will be directly in front of you after you cross the bridge. (Topaz (Brilliant)) (2500)
Chapter 5-3: In the closet, in the locked drawbridge control room. (Golden Chalice) (3000)
Chapter 5-3: Dropped by Reaper. (Power Stone) (5000)
Chapter 5-3: In the control room, on the table. (Royal Necklace) (5000)
Chapter 5-3: Can be found in the pots, at the end of the right side of the second floor, which can be reached by the stairs that will be in front of you at the beginning of the fight with Wesker and Jill. (Emerald (Brilliant)) (2500)
Chapter 5-3: Found during the battle with Wesker and Jill. When Wesker knocks down the door with you, turn around and walk along the corridor until you find yourself in a room with coffins and sarcophagi. The stone is in a coffin, to open which you will need the help of a partner. (Sapphire (Brilliant)) (2500)
Chapter 5-3: Found during the battle with Wesker and Jill. When Wesker knocks down the door with you, turn around and walk along the corridor until you find yourself in a room with coffins and sarcophagi. The stone is in a coffin, to open which you will need the help of a partner. (Emerald (Oval)) (2000)
Chapter 5-3: Found during the battle with Wesker and Jill. When Wesker knocks down the door with you, turn around and walk along the corridor until you find yourself in a room with coffins and sarcophagi. The stone is in a small urn, on a shelf to the right of the entrance to the room. (Sapphire (Oval)) (2000)
Chapter 5-3: Found under the stairs during the fight with Jill. However, before this, in the battle with Wesker, you must inflict a large amount of damage on him in order to force him to retreat. (Heart of Africa) (10000)

Chapter 6-1: Dropped by Majini, near the faucet. (Topaz (Oval)) (2000)

Chapter 6-2: Two Chalice can be found in lockers on the way to the bridge. (Golden Chalice) (3000)

Chapter 6-3: During the last fight with Wesker, before going to the bridge where the cut scene with Chris falling will be, shoot the stone behind the bridge the same color as the bridge itself until it collapses and creates new platform. After falling, go left and jump to the new platform for the treasure. (Diamond (Marquise)) (5000)

PS (Jewel Bangle) (1000)
Reward for killing Big Man Majini (swarthy, pot-bellied, big guy), with the exception of him - on the map “The Port”, in chapter 3-2.

Better video guide
https://www.youtube.com/watch?v=JMCUMZOWlyQ