Isfahan rugs commonly range around 300–600 knots per square inch (KPSI), with master workshop pieces reaching 700+ KPSI. Antique or top-tier silk examples can be even finer.
Isfahan rugs commonly range around 300–600 knots per square inch (KPSI), with master workshop pieces reaching 700+ KPSI. Antique or top-tier silk examples can be even finer.