Chair Bergen:
810 x 855 x H 885 mm
https://imodern.ru/product/kreslo-bergen-sero-korichnevyy/?ysclid=mncqajc0vj17533219 

Without Turbosmooth modifier:
Polys: 15 456
Verts: 15 989
With Turbosmooth modifier iterations 2:
Polys: 502 144
Verts: 251 304

The Turbosmooth modifier with Isoline Display is applied to the necessary 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 use version no lower than 1.5, as the glossiness of materials is set considering PBR.