How to tell the difference between carved jadeite and machine carved jadeite?

1. There are three differences between machine carving and hand carving: the appearance of the work is also different. Different levels of design and color application. The carving marks left by hand carving and machine carving are different.

2. Ultrasonic carving process: In order to improve carving efficiency, ultrasonic is generally used. This process uses a mold made of high carbon steel, and the machine drives the mold to vibrate and rub back and forth on the surface of the jade material at the frequency of ultrasonic waves. This method can quickly achieve the purpose of understanding and carving jade.

3, computer worker: the edge is even, very flat, and there is no inward concave arc. Manual: The edge has an inward concave arc. Comparison between computer workers and handwork: there are fewer tools carved by computer, generally speaking, there are only two or three kinds, and there are more tools carved by hand.

4, scratch comparison Generally speaking, hand-carved jade jewelry, scratches will be different, there are thick, thin, deep, shallow, wide, narrow and other changes, and the traces will be different, such as straight lines, curves, V-shaped, U-shaped, concave and so on.

5. The difference between machine carving and hand carving is: machinist: the edge is even and flat, and there is no concave arc. Hand-carved: the edge has an inward concave arc. Compared with hand carving, there are fewer tools for computer machine carving, generally speaking, there are only two or three kinds, and there are more tools for hand carving.

6. Good hand carving can give it a perfect soul and make it more valuable. Compared with machine carving, although the cost will be higher, hand carving can make jadeite highlight its own value. Therefore, we must distinguish between parting carving and machine carving. Their grades and prices are worlds apart.