And an eiderdown double duvet could cost you over $8,000. Harvested from the nest of eider ducks found wild in Iceland, collecting a kilo of this fluffy material isn't easy, and only 4 metric tons are produced worldwide each year.

Why Icelandic eiderdown is so expensive so expensive?

According to Icelandic law, eiderdown must pass strict quality controls before being sold, ensuring cleanliness, smell, colour and consistency. ... In addition to its rarity, the production of eiderdown -- from its manual collection to its rigorous cleaning -- helps explain its high price.

What is eiderdown used for?

Eiderdown is used in various high-end luxury products that require powerful insulating properties, such as duvets and pillows. It is most commonly used as a filler and insulating material in high-end duvets, which are incredibly light and soft due to the unique properties of the down.