Diamond chain

The utility model relates to a diamond chain which is of a closed saw chain structure formed by diamond blades and transmission pieces, the diamond blades are connected to the transmission pieces, each diamond blade is formed by welding a connecting piece and a diamond tool bit, and the diamond chain is characterized in that the diamond tool bit is thicker than the connecting piece, and the middle lines of the welding positions of the connecting piece and the diamond tool bit are not aligned; the diamond blades are divided into the left diamond blades and the right diamond blades according to installation positions, and the left diamond blades and the right diamond blades are arranged on the chain at intervals. The diamond cutter is provided with a plurality of diamond blades which are closely arranged, is suitable for cutting hard rocks and reinforced concrete, can improve the cutting efficiency, and can further improve the cutting efficiency by increasing the interval to improve the chip removal performance