The model was made in Corona 9, Corona LegacyMtl, renders correctly up to Corona 2 with PBR
To Vray Next, converted using the built-in converter

The chair model is presented in 4 popular versions (there are more on the manufacturer’s website):
Light wood and leather/fabric
Ebony and leather/fabric
There are 4 models in the scene

https://www.timeandstyle.com/diamond-back/ 
A special feature of the chair is the back with 8 spokes intertwined in a diamond-shaped pattern, from which its name comes.
A frame that flows smoothly from the back to the armrests is called a continuous armrest, which is one of the shapes of Windsor chairs. The elegant armrest is made of solid wood using sophisticated Japanese bentwood technology.
All models, textures and materials have unique names

Suitable for interior: modern, minimalism, Scandinavian, Japandi, Wabi Sabi, Nordic, classic, modern