Huma upholstered armchair

https://www.expormim.com/products/huma-dining-armchair-4/ 

Dimensions: 60 x 57 x H 78 cm

Kotai dining table

https://www.expormim.com/products/kotai-dining-table-4/ 

Dimensions: 180 x 100 x H 75 cm

Polys: 184588
Verts: 258 322

Turbosmooth enabled in Render Iteration – 1.

Who works in 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 – which is preferable for you.
If CORONA version is higher than 1.4: “For Corona render it is recommended to install a version not lower than 1.5 as the glossiness of materials is adjusted with PBR in mind.