Jewel piece

[[Image:WL4_DiamondPiece.PNG|right|thumb|A Diamond Piece coming out from a Diamond Piece Box. A Diamond Piece is an item in the game [[Wario Land 4]]. Four of these items can be found in each level and they are found inside of a Diamond Piece Box. You do not need to find all the Diamond Pieces to go on to the next level but you need to find them all to beat the area boss. Depending on what passage you are in determins the color of the diamonds.