Morbihan chair:
665 x 670 x H 775 mm

https://novorossiysk.inmyroom.ru/products/1856304-stul-morbihan-korichnevo-molochnogo-cveta 

Without Turbosmooth modifier:
Poly: 919 390
Verts: 921 803
With Turbosmooth iterations 1 modifier:
Poly: 7,354,792
Verts: 3,682,420

The Turbosmooth modifier with Isoline Display was applied to the required objects;
There is an FBX file (if necessary, apply the Turn To Poly modifier to the FBX file);
For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of materials is configured taking into account PBR.