Which sentence is grammatically correct?

We noticed that the tiles supplied are different from the tiles supplied for the show villas. It is darker than the one we installed in the show villas. But the subcontractor had already completed the tiling work with this tile for 3 villas.

We noticed that the tiles supplied which are not matching the tiles installed in the show villas. The both are different colours. But the subcontractor had already completed the tiling work with this tile for 3 villas.