Click the "Render Settings" button to open the "Render Settings" panel, and specify the current renderer as: vray.

Open the material editor, select a blank material ball, set the material type to VAryMlt, and set the material parameters, as shown in the following figure:

Click the blank button to the right of Diffuse Reflection Map to add a jade material map. It's done.

Click the Render Settings button to open the Render Settings panel, set the size of the output image, adjust the rendering angle of the model, and then click the Render button to start rendering.