Quilting has been the signature of the house since 1955. It is also the first thing counterfeiters imitate — and where they most often give themselves away, because the difficulty is not sewing diamonds, it is making them fall exactly right.

Alignment, before anything else

On an authentic Chanel bag the quilting is continuous: the diamonds carry on from one panel to the next without breaking at the seams. The flap continues the body of the bag, the sides continue the front, and the pattern stays coherent all the way around the piece.

That continuity requires cutting the leather with considerable waste, which is expensive. It is precisely what counterfeiting saves on. A pattern that "jumps" where two panels meet is one of the most reliable signals there is.

Regularity of the diamond

Every diamond should share the same dimensions across the whole piece, and the padding should be even. Quilting that flattens towards the bottom of the bag, or diamonds that stretch near the edges, betray uneven filling.

One caveat: diamond dimensions legitimately vary by model, size and era. There is no single measurement valid for every Chanel. Comparing a 1990s Jumbo to a recent Mini makes no sense.

The stitching

The thread must match the leather exactly, with constant tension. Count the stitches: their density is even along the length of any given seam. The ends are clean, with no bunching and no loose thread.

On lambskin the stitch sinks slightly into the leather and creates the characteristic relief. On caviar, which is firmer, that relief is subtler — not a defect, simply the material.

The hardware

It is heavy. That is often the first thing you notice with your eyes closed: a Chanel chain has weight, a clasp has density. Plating is even, with no variation in tone between two elements.

The CC clasp deserves particular attention: the right C passes over the left C at the top, and under it at the bottom. That interlock is constant. Engravings — the house name, the country of manufacture — are crisp and deep, never superficial.

On models with leather threaded through the chain, the leather strip should run evenly, neither over-tightened nor slack.

The serial number

Depending on the era it takes the form of a sticker under a protective film inside the bag, accompanied by an authenticity card, or — on the most recent pieces — an embedded chip that has replaced the sticker system altogether.

The number of digits and the typeface have changed over the decades. The important point: the number must be consistent with the model and its era. A format that does not match the bag's production period is a serious signal.

Conversely, a missing card is not disqualifying on a vintage piece: cards get lost, and many beautiful bags circulate without theirs.

What proves nothing

Three things are too often presented as proof when they are not:

  • the dustbag: easily counterfeited, easily replaced;
  • the box: the same;
  • the smell of the leather: mostly a function of storage.

Our method

None of these points taken alone allows a conclusion. It is the combination that decides, and that is what our experts apply to every Chanel bag that enters the boutique. If a piece leaves the slightest doubt, it is not put on sale.

Discover our Chanel selection — every piece authenticated, money-back guaranteed.