What kind of diamond necklace should you buy?

The five diamond necklace styles, and when each suits

Almost every diamond necklace is a variation on five forms. The right one for you is decided less by taste alone than by where you will wear it and how you want the diamonds to read, one focal point or a continuous line. Here is the honest version of each, and the type of piece it suits.

The two styles most South African buyers choose between are the pendant and the line necklace, and we have a dedicated page for each: our diamond pendants guide covers the solitaire and halo in full, and our tennis necklaces guide covers the line and riviere. This page is the map; those are the detail.

The pendant necklace: solitaire and halo

A pendant necklace makes its impact with one focal point hung from an otherwise plain chain, so the eye goes straight to the stone. It is the more versatile and more affordable place to start, because you are buying a single diamond rather than dozens. A solitaire is exactly that, one well-cut diamond in a clean setting, and it is the necklace you can wear every day, layer with others and pass down. A halo surrounds that centre with a ring of small diamonds, which makes a modest centre stone look larger and adds sparkle, useful when you want presence without paying for a much bigger centre. Because a cutting house controls the centre stone, the pendant is also the easiest piece to build around one specific diamond. The full detail lives on our diamond pendants page.

The tennis (line) necklace, the station, and the riviere

Where a pendant is one stone, a tennis or line necklace is many: a continuous band of matched diamonds set all the way around the neck. It carries far more total carat weight, which makes it the statement piece and the larger investment, and the quality of the matching, every stone consistent in colour, clarity and cut, matters as much as the stones themselves. A station or by-the-yard necklace is the lighter relative: individual diamonds spaced along the chain, less weight and cost than a full line but more interest than a single pendant, and an easy everyday piece. A riviere is the dressiest of the three, a graduated line rising to a larger centre, a formal showpiece. Our tennis necklaces page covers the line styles, matching and setting in full.

How a diamond necklace is priced

There are no rand values here on purpose: the only honest number is the one quoted for your exact piece. But the method differs by style, and knowing it lets you read any quote and understand why two necklaces can sit far apart in price.

For how the diamonds themselves are valued, the 4Cs, the Rapaport list and the rand–dollar conversion, our diamond prices guide explains the whole mechanism, and our guide to the 4Cs sets out which grades are worth paying for.

How to choose: occasion, neckline and everyday vs statement

Start with how you will wear it, not with the diamonds. The choice comes down to a handful of practical questions:

• Occasion, everyday or statement. A solitaire or station pendant goes with anything and is worn daily; a tennis or riviere necklace is for formal necklines and occasions. Buy the one you will actually wear.
• Neckline and chain length. Around 40 to 45 cm (16 to 18 inches) is the most-worn range for a pendant: 40 cm sits at the base of the neck, 45 cm just below the collarbone and flatters most outfits. A tennis necklace is usually worn shorter and closer to the throat.
• Matching to existing pieces. If you already own diamond earrings or a ring, we match the metal colour and the diamond grade so the necklace reads as part of a set rather than an odd one out.
• The stone vs the spread. One excellent diamond in a pendant, or many matched stones in a line, are different purchases at a similar spend. Decide which look you want before you fix a budget.

The cutter-direct and custom advantage

This is where a cutting house differs from a retail counter. Because we cut and polish our own natural diamonds and build every piece bespoke through Projewel, a pendant can be designed around one specific GIA-certified diamond, your own stone, an inherited one, or one chosen from the live diamond search, rather than fitted to whatever is in a display case. For a line necklace we source and match the run of stones ourselves to a consistent grade, so the piece looks uniform along its length. As a SADPMR-licensed dealer and a member of the Diamond Dealers Club of South Africa, we buy rough, cut it in-house and sell direct, so the importer and wholesaler markup carried by a retail piece for the same certified stones is simply not in your price. You approve the design before anything is made; for a ring-led commission, our custom design service works the same way.

Gifting, care, and getting a firm quote

A diamond necklace is among the most-given fine-jewellery gifts, for an anniversary, a milestone birthday, or a wedding, and a solitaire or halo pendant is the safest choice when you are buying for someone else: it suits almost everyone and the chain length can be adjusted later. Buy natural and certified so the gift holds its value, and keep the GIA report with it. On care, a diamond necklace asks little: have the clasp and chain checked periodically, since a worn clasp is the usual cause of a lost pendant, store it flat so the chain does not knot, and clean it gently with warm soapy water. We supply every piece with certification and a written insurance valuation, and clients across South Africa buy without visiting the bench: the design and viewing happen by video or WhatsApp, and the finished necklace is delivered insured and overnight nationwide. The fastest route to a real number is to tell us the style and stone, or just describe the occasion, and ask Darren for a firm quote, he comes back within 24 hours with a figure for a real, GIA-certified piece, not a range.

Diamond necklaces: common questions

Last reviewed: June 2026.