V-Ray versions are lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR ( GGX ), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whichever suits you best"

For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured with PBR in mind.

link:
https://www.litfad.com/it/contemporary-orbicular-turntable-sintered-stone-butter-color-dining-table-standard-table-height-seats-4-without-chairs-472l-x-472w-x-295h-s-6618857.html