The Taido Table Lamp from Anker Studio features two geometric shapes that work together to create a sophisticated silhouette. The angular round lampshade is elegantly attached to a conical base. The light reflects upward from the lampshade, creating a soft and diffused light. The lamp can be adjusted in different directions, allowing you to change the environment

Manufacturer's website: https://www.nordlux.com/product/232037/2320375033 

The materials used are Corona Legacy and Vray Mtl in the corresponding scenes.
The lamp is a single object
Materials have logical names

For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of the materials is adjusted taking into account PBR

Those who work in a V-Ray version 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 is preferable for you