[BlackJack]

Archibald sells a vicuna sweater for $3.1k, and they say the at cost price is $1.9k [1]

Given maybe $500-800 in production cost, shipping, duties etc, the cost is probably $1k. It is significantly more expensive than other fibers.

1. https://www.archibaldlondon.com/us/collection?category=vicun...