Ruby and Pearl Pendant

Ruby and Pearl Pendant is a treasure in Uncharted 3: Drake's Deception. It is found in Cruisin' for a Bruisin'.

After the big gunfight in the main hall, you will leave through a door out to a walkway on the outside of the boat. As soon as you go through that door, turn right and follow the brown hallway to the dead end. You will find the treasure on the ground there.