Stone reflections. In Pearl, Ruby and Sapphire tones, Preciosa reflects the stunning colours of cut gemstones.The Preciosa collection is contemporary yet classical and is well constructed with a 39 ounce nylon fibre. It is available in 4 metres wide and is backed by a 10 year wear warranty and a 5 year stain warranty. This carpet is suited to all residential applications and has the added confidence of Scotchgard® for soil and stain protection.