The red color of Armenian carpets was made from "vordan karmir" or "worm's red" dyestuff.
The fact that "vordan karmir" dye was used in making of the oldest surviving carpet "Pazyryk" is a perfect example of this and has already been proven by the scientists in particular by I. Rudenko.
"Pazyryk" dates back to the 5-4th centuries B.C. and can be seen nowadays at the Hermitage museum.
Arab historians noted that Armenian carpets were the most valuable because they were made from high-quality wool and were dyed with durable "vordan karmir" pigment. This also explains why Armenian carpets were known in the Arab world as "kirmiz" (red).