Necklace Buying Guide
DANFÉE Guide · Necklaces
A necklace is more than its pendant. Length decides where it sits, the clasp decides how easily it goes on, and a detachable pendant decides how many ways you can wear it. Here is what to check before you choose.
The short version: 40–45 cm (16–18 in) is the length we recommend most. A lobster clasp is the easiest to handle, a spring ring is the most discreet on a fine chain, and a box clasp suits tennis necklaces. Choose a detachable pendant if you want to change chains.
1. Length: where the necklace sits
Our top recommendation
40–45 cm (16–18 in)
If you are not sure, start here. This range sits from the base of the neck to just below the collarbone and works with most necklines. Choose it with an extender or slider, and you can change the length to suit what you are wearing.
Start with the neckline you wear most often. These are the lengths you will see on our product pages, with the name each one usually goes by.
Collar
High on the neck
Goes well with: Off-the-shoulder tops, V-necks
Choker
Around the base of the neck
Goes well with: Scoop and strapless necklines
Princess
Just below the collarbone
Goes well with: Crew and boat necks; most necklines
Matinee
On the upper chest
Goes well with: High necklines, button-down shirts
Long
At or just above the bust
Goes well with: High necklines, layering
Treat these positions as a guide rather than a promise, because the same chain sits differently on different people. Three details also change the result:
- Your neck and frame. The most reliable check is to measure a necklace you already like, including its clasp, and compare that length.
- Pendant size. A larger pendant pulls the chain lower.
- Chain thickness. A thick chain can look shorter than a fine one of the same length.
Extender, slider or fixed length
Check whether the length can be adjusted, because this is often what makes a necklace easy to wear with different necklines or to give as a gift.
Extender chain
A short extra length of chain gives you several closing positions, such as 40–45 cm.
Good to know: Simple to change; the spare chain sits at the back of the neck.
Slider bead
A small bead slides along the chain to set the length.
Good to know: Allows any length within its range, with no spare tail to hang down.
Fixed length
One set length, usually 40 cm. Mostly found on fully diamond-set necklaces.
Good to know: The diamonds form the chain itself, so the length cannot be adjusted. Measure carefully first.
2. Chain: the character of the piece
The same pendant can feel delicate or bold depending on its chain. The chains below are offered with our Vintage Octagon Halo necklace, and they show how much the choice can change a piece.
Cable
Classic linked chain; light and easy to wear every day.
Fairy
Fine and delicate.
Bead
A line of small polished spheres that catch the light.
Snake
Smooth and sleek, with more presence.
Bamboo
Segmented links with a sculptural look.
Rope
Twisted and bold; a statement in its own right.
3. Clasp: how the necklace fastens
A clasp is small, but you use it every time you wear the piece. Think about how easily you can fasten it behind your neck, and how much the chain has to carry.
Lobster
How it works: A spring-loaded hook opens with a lever and clips onto a ring.
Strengths: Secure, durable, easy to operate.
Watch out for: Slightly more visible than a spring ring.
Best for: Everyday chains.
Spring ring
How it works: A small round clasp opens with a tiny lever and closes on release.
Strengths: Small and discreet.
Watch out for: The small lever can be fiddly, especially with limited dexterity.
Best for: Fine, lightweight chains.
Box
How it works: A tab slides into a box and locks under tension; side latches can add security.
Strengths: Sleek, with extra security when it has a latch.
Watch out for: Takes a little more care to close.
Best for: Tennis and formal necklaces.
Enhancer
How it works: A hinged clasp opens so that a pendant can be attached or removed.
Strengths: Makes changing a pendant easy.
Watch out for: It holds the pendant rather than closing the chain.
Best for: Pendants worn on different chains.
The clasps up close
Which clasp is on which necklace? It varies by design, so check the product page. For example, our Classic Four-Prong pendant closes with a lobster clasp, the Classic Six-Prong pendant uses a spring ring, and our Diamond Tennis Necklace has a box clasp.
Size and value compared
For most everyday necklaces, a lobster clasp offers the best balance of security, ease of use and cost.
| Clasp | Example size | Value for money |
|---|---|---|
| Spring ring | 5–6 mm | Excellent on fine, light chains: the smallest and least costly option |
| Lobster | 7.5–9 mm | Best all-round: easy and secure for a moderate extra cost |
| Box | 2 mm | Worth it on tennis necklaces, where the clasp sits in line with the stones |
| Enhancer | Varies by design | Good value if you will really change pendants; otherwise unnecessary |
Sizes are examples from jewellery supply listings and vary by design. Value notes are DANFÉE's general view.
4. Pendant: fixed or detachable?
If you like to change your look, this question matters as much as the design. Some pendants stay with one chain, while others can move between chains.
Non-detachable pendant
How it is made: The pendant is attached to one chain or built into it. Here, the chain joins the bezel directly on both sides.
Advantages: A clean, simple line with fewer moving parts.
Think about: You wear it with the chain it came with.
Best for: A single everyday signature piece.
Detachable pendant
How it is made: The pendant hangs from a clasp or an opening that lets it come off.
Advantages: One pendant can work with several chains and lengths.
Think about: The clasp is part of the look, and it needs to fit your other chains.
Best for: Layering, or going from a fine chain to a bold one.
Do not assume that every pendant comes off. Look for wording such as “detachable pendant” or “enhancer clasp” in the product details. Among our designs, the Oval Bezel and Round Bezel necklaces have detachable pendants. The Fleur Cross hangs from an enhancer clasp, as does the Vintage Octagon Halo on its rope chain options.
Before you put a pendant on another chain, check that the clasp or bail fits the chain's thickness and that it closes fully. A very thick chain may not pass through a small opening.
5. The details that finish the choice
- Pendant proportions. Look at the pendant's millimetre dimensions as well as its carat weight, and compare them with your chain length. Our solitaire pendant guide shows typical diameters for 1, 1.5 and 2 carat diamonds.
- Metal. Match what you already wear, and consider your skin and budget. See our gold K and PT950 platinum guide.
- Everyday comfort. Check for rough edges or areas that may catch on clothing, and have the clasp and settings inspected regularly.
Before you buy: confirm the finished length and whether it adjusts, the chain style, the clasp type, and whether the pendant can be removed. If it is not clear, ask us. Product specifications take precedence over the general guidance in this article.
DANFÉE · Necklaces
Find your necklace
Compare lengths, chains and clasps across our necklace collection.
Shop necklacesBackground notes draw on publicly available guides, including Blue Nile on necklace lengths and clasp types, and Ross-Simons on clasps. Clasp size examples: Etsy and Otto Frei. Positions on the body are approximate. Chain lengths are examples for one design and vary by product. Icons are simplified illustrations. Photographs show DANFÉE pieces; colour may vary slightly by screen.
