Chair Pontus:
485 x 615 x H 850 mm
https://loftinside.ru/mebel/stulya/stul-pontus-pontus-360-grad-tsvet-kremovyy-riely-111-present-120-shampan-karkas-disaur 

Without Turbosmooth modifier:
Polys: 2 714
Verts: 2 738
With Turbosmooth modifier iterations 2:
Polys: 86 688
Verts: 43 522

Displacement map is used;
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 with PBR in mind.