Da Smasei Laman
The diamond is on the ledge in the narrow mountain pass. To get there you need to climb on the rock which will allow you to get on a first ledge from which you may jump on the one you are looking for.
The diamond is on the floor in the building with the satellite on its roof. To get inside you need to open a lock with a lock pick (which is an automatic action).
Two diamonds are under the table in the building with the satellite on its roof (there is a lot of boxes nearby).
The diamond is under the desk in the northern part of the village, right next to the cassette player with a recording.
The diamond is on the hill to which you may get after climbing on the box which is right in the entrance to the main path of the caves.
The diamond is behind the container and the boxes which are on the ledge. You may get there after entering the caves and then turning right.
The diamond is in the hole which you can get to either by climbing or just by walking into it. It is just nearby the area where you have found the previous diamond (close to the boxes and the container).
Three diamonds are on the open area to which you may get by passing the previously mentioned hole and heading deeper into the caves.
The diamond is on the ground behind one of the ruined walls. You may get here by turning left once you get to the open area mentioned before.
The diamond is in the corner to which you may get from the tunnel which is in the ruins mentioned below.
The diamond is on the hill nearby the buried entrance in the wall. To get here you need to use the alternative entrance to the caves and go straight ahead. To get to the entrance to the caves turn left while standing in front of the ruins,.
The diamond is in the corner of the room located on the hill next to the buried entrance where you have found the previous one.
The diamond is on the ledge on which you may get by using the alternate entrance to the caves (mentioned in the previous two points).