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Buying guide

# Necklace Chain Lengths and How to Specify Them

Chain length changes the fit and the price. Specify one length per style and keep it in the record.

TRI GEM JEWELRY Content Team·2026-06-05T16:00:00+00:00·Updated 2026-11-05T10:03:01.873000+00:00

![Sterling silver necklace chain length reference](https://wp.trigemjewelry.com/images/product-necklace-01.jpg)

## Standard lengths

Common lengths are 16, 18, 20, 22 and 24 inches, with 18 inches the usual retail default for pendants. Choker and layered styles use shorter lengths and often an extender.

Measure a necklace end to end including the clasp, and state whether the clasp is included in that figure.

## How length affects fit and cost

Length changes fit and metal weight at the same time. A 2-inch increase adds chain weight, which shows in the price per piece.

An extender can cover two lengths with one SKU, at the cost of extra findings and a less clean look.

## Specifying length in an order

Keep one length per SKU and record it in the product specification. Mixing lengths inside a SKU creates picking errors at packing and returns at retail.

State a tolerance so a measured shipment is not rejected for a millimetre, and confirm the clasp type at the same time.

Related reading

## Continue reading

- [Buying guideWhat to Check Before Adding a Silver Jewelry BrandBefore you add a silver line, verify the things that cause returns: specification drift, plating wear, missing compliance documents and slow replenishment.](https://wp.trigemjewelry.com/blog/best-silver-jewelry-brands)
- [Buying guideSterling Silver vs White Gold: Which Should You Stock?The two look similar in a case but behave differently in price, wear and reordering. A practical split for wholesale buyers.](https://wp.trigemjewelry.com/blog/sterling-silver-vs-white-gold)
- [MaterialsHow to Tell If Jewelry Is Real Silver: Five ChecksHallmarks, magnet tests and XRF each answer a different question. Here is what each check can and cannot prove before you place an order.](https://wp.trigemjewelry.com/blog/how-to-tell-real-silver)

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