The most expensive wool of the world comes from vucana sheep, the national animal of peru. The wool from vucana is the most expensive wool in the world because the sheep can only be shorn every three years. The fabric can be used for apparel and home decor. The vucana wool range from $1,800 to $3,000 per yard, so a scarf will cost around $20,000! cashmere wool is another expensive wool fabric. Manacle textile team