The invention relates to the technical field of artificial diamond sorting equipment, in particular to a high-efficiency diamond raw material sorting device which comprises a shelf. Multiple springs are arranged on the shell; a table is arranged above the springs; a vibration motor is arranged on the table; the table is a flat panel; a raw material groove is formed behind the flat panel; multipledischarge holes are formed in front of the lower part of the raw material groove; a sorting area is arranged on the flat panel in front of the discharge holes; the table is of a structure with a highright side, a low front side and a high back side; a vertical rod is arranged on the right side of the back side of the table; and a cross rod is further arranged on the side surface of the vertical rod and is arranged above the raw material groove. The diamond sorting device has the advantages of capabilities of sorting diamond and saving labor, high production efficiency and good sorting quality.