Carpet Sunburst Hand Knotted Round Rug
https://blackroosterdecor.com/collections/carpet/products/sunburst-hand-knotted-round-rug 

The object is single, has logical names of materials and textures
The texture of the carpet is hand-drawn in high quality
TurboSmooth open

For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured taking into account PBR

Those who work in V-Ray versions 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 - whichever suits you best