What documented Nain carpet looks like
Reference photographs of documented Nain carpet pieces, credited to their sources. Compare construction, surface and wear with any piece you are offered — a resemblance is not proof of origin.
Nain carpet at a glance
| Persian name | فرش نائین |
| Category | Textiles · City carpet |
| Main techniques | knotted-pile-weaving, asymmetric-knot |
| Typical materials | wool, silk, cotton |
| Places of making | isfahan |
| Current vitality | Living tradition |
Understanding Nain carpet
What Nain carpet is and how it is made
History
Nain was a centre of fine wool weaving (for cloaks) before carpet weaving expanded in the 20th century, and it quickly became known for very fine rugs.
Technique
Fine asymmetrical knots, often graded by 'la', the number of plies twisted into each warp thread (4la is the finest, 6la fine and 9la coarser), with silk used to outline designs.
Collecting and identification
Quality grades are often stated as 'la' numbers; ask the seller to explain them. Look for crisp outlines and even clipping.
This guidance is educational only and is not an authentication or valuation service.
General background on the craft, not a statement about any individual object; dates and attributions summarise common positions in the literature and remain under review. Read the full Nain carpet entry.
What makes a Nain a Nain
Nain is a small town in Isfahan Province whose carpet industry began in earnest in the 1930s, when local weavers of fine woollen aba cloth turned to rug knotting. Nain rugs quickly became known for very fine knotting, ivory and light-blue palettes, curvilinear floral medallions and silk highlights outlining the design.
Most Nain rugs use asymmetric (Persian) knots on cotton or, in finer pieces, silk foundations. The pile is short and clipped low to show the fine drawing, so a Nain is better suited to bedrooms and formal rooms than heavy traffic.
Reading the 'la' grades
Nain rugs are traded by the number of plies in the warp yarn: '4la' (chahar-la) is the finest, '6la' (shish-la) mid-range and '9la' (noh-la) the most common and coarsest. The figure describes the warp thread, not the knot count directly, but finer warps permit finer knotting. Grades are dealer descriptions; ask to see the back of the rug and count knots per centimetre in both directions.
- 4la — very fine, often silk-rich, expensive
- 6la — fine, good balance of detail and durability
- 9la — most common; still hand-knotted, lower density
- Silk highlights should be real silk, not mercerised cotton — ask
Inspecting a Nain
Because the pile is low, wear shows quickly as exposed knots, especially on the silk outlines. Check light-coloured fields for stains and colour run from the darker borders. Many 'Nain design' rugs are made outside Iran; ask for the country of weaving and look for a hand-knotted back with visible individual knots rather than a uniform machine grid.
Nain grades at a glance (dealer convention)
| Grade | Relative fineness | Typical foundation | Notes |
|---|---|---|---|
| 4la | Very fine | Silk or fine cotton | Rare; most detail |
| 6la | Fine | Cotton, some silk | Common premium grade |
| 9la | Medium | Cotton | Most widely sold |
Before you buy: what to inspect
- Turn the piece over: hand-knotted or hand-stitched work shows slight irregularities on the back.
- Look at fringes and edges — on knotted carpets the fringe is usually the warp itself, not a sewn-on strip.
- Check colour consistency; natural dyes often show gentle banding (abrash), which is not a defect.
- Ask whether the colours have been tested for bleeding; never wet-test an old or valuable piece yourself.
Typical materials: wool, silk, cotton.
Red flags: copies and 'Persian style' imports
- Perfectly uniform backs, glued backing cloth or a latex layer (typical of machine or tufted rugs).
- Listings that say 'Persian style', 'Persian design' or 'inspired by' without naming a place of making.
- Printed patterns sold as hand-embroidered or hand-block-printed.
A genuine Nain carpet piece should come with a named place of making in Iran (often isfahan) and a clear statement that it is handmade.
Questions to ask the seller
- Where and by whom was this made, and roughly when?
- What are the fibre and dye (wool, silk, cotton; natural or synthetic)?
- Can you show a close-up photo of the back and the edges?
What affects the price
| Knot or stitch density |
| Fibre (silk is costlier than wool) |
| Size and age |
| Condition and repairs |
| Natural dyes |
Care and cleaning
- Vacuum rugs gently without a beater bar, in the direction of the pile.
- Rotate floor pieces every six to twelve months to even out wear and light exposure.
- Blot spills straight away with cold water; never rub.
- Send valuable or old pieces to a specialist cleaner rather than a general dry cleaner.
Storage
- Roll with the pile facing inward, never fold.
- Wrap in breathable cotton, not plastic.
- Protect against moths with regular airing and inspection.
Shipping
Rolled textiles travel well; ask for tube or rolled packing and tracked delivery.
Disclaimer
This guide is educational. It cannot confirm that any particular object is genuine, old or valuable. For important purchases, ask an independent specialist. Read the full Nain carpet entry.