Rough Diamonds are one of the three different types of mailable Rough Gem Items in Rank 4. Rough Diamonds are randomly sent out to a user on the friendlist of another user who owns a Dinosaur Excavation Module, when the Module is clicked.
- Building the Jeweled Triceratops Masterpiece (ten Rough Diamonds).
- Building the Seal of the P.O.S. (five Rough Diamonds).
|Items of Rank 4|
|Dino Scale | Dino Fang | Dino Horns | Rough Diamond | Rough Ruby | Rough Sapphire | Brachiosaurus | Protoceratops | Stegosaurus | Eoraptor | Velociraptor | T-Rex | Green LEGO Brick | Purple LEGO Brick|
|Rank 0 | Rank 1 | Rank 2 | Rank 3 | Rank 4 | Rank 5 | Rank 6 | Rank 7 | Rank 8 | Rank 9 | Rank 10 | Items|