Abstract: A grading machine for grading small uneven objects includes: at least one feeding assembly including at least one main hopper for feeding; at least one vibrator for agitating objects to move them to at least one slider coupled with a feeding regulator; at least one tilted assembly including at least two sets of reverse roller pairs; at least one pick and place assembly including a vacuum rotating drum wherein an inner solid roller rotates; a tray assembly including a plurality of parallel trays, each including a cup assembly; at least one conveyor; at least two imaging systems which can see multiple sides of the objects for analysis of surface properties; at least one embedded intelligence system; at least one energizer box assembly including a plurality of energizer boxes; an ejection system for grading objects into categories based on their surface properties; and at least one main frame.