Zahara chair:
680 x 665 x H 650 mm
https://yoshkar-ola.inmyroom.ru/products/1883612-kreslo-zahara-bezhevogo-cveta 


Without Turbosmooth modifier:
Polys: 3,932
Verts: 3,943
With Turbosmooth iterations 2 modifier:
Polys: 125,904
Verts: 62,958

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.