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Tennis Necklace

Jared James, co-founder of LILY DIA

By Jared James · Last updated 17 May 2026

Quick answer

A tennis necklace is a continuous row of individually set diamonds linked along a flexible chain, sized for the neck. Most sit between 16 and 18 inches, with total carat weight between 5 and 15 carats for an everyday piece. The clasp choice matters as much as the stones, and a hidden tongue or box clasp with a safety catch is the standard.

What a tennis necklace is

A tennis necklace, sometimes called a diamond rivière necklace or a diamond line necklace, uses the same construction as a tennis bracelet but at neck length. The stones sit in individual mounts linked with small hinges so the necklace drapes smoothly. Lengths run from 15 inches (a close choker) to 20 inches and longer for a more relaxed drape.

History

Diamond line necklaces, or rivières (French for river, describing the flowing line of stones), have been worn since the 18th century and were a staple of Georgian and Victorian fine jewellery. The modern tennis necklace name followed the tennis bracelet into use in the late 1980s, once the bracelet style became universal.

Types

Classic tennis necklaces use uniform round brilliant diamonds in prong settings. Graduated versions step the stones up in size toward the centre. Bezel-set versions read sleeker against the neck. Collarbone length (16 inches) sits close to the neck for the most impact. Princess length (18 inches) drops just below the collarbone for a more relaxed look. Some designs alternate diamonds with coloured stones, or use fancy shapes like marquise or pear for a distinctive look.

How to choose

Start with length and neckline. Shorter necklaces pair with V-necks and crew necks; longer versions suit lower necklines. Total carat weight runs higher than a tennis bracelet because of the length: 5 to 15 carats is the common range. Prong settings let more light in; bezel settings sit smoother against the skin. Make sure the clasp has a safety mechanism, and try the necklace on to confirm it falls at a flattering point.

Styling

A tennis necklace can stand alone with a simple outfit, or layer underneath a longer pendant necklace for a contemporary stack. Pair with a tennis bracelet and diamond studs for a cohesive set. The piece works across casual T-shirts, business attire and formal evening wear, which is part of its appeal.

Care

Have the clasp and settings inspected annually. Clean with warm soapy water and a soft brush. Store flat to prevent tangling and stress on the links. The clasp area takes the most wear, so check it before each wear. Take the necklace off before sleeping to reduce stress on the chain.

Price

Tennis necklaces use far more diamonds than a bracelet, so the spend is higher. Natural diamond tennis necklaces start from around 3,000 AUD for modest designs and reach six figures at the top of the market. Lab grown diamond cuts that cost significantly: a 10 carat lab grown tennis necklace can sit at well under half the natural equivalent. Moissanite tennis necklaces are the most accessible path to high carat weight.

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Frequently asked questions

What length tennis necklace should I choose?
Sixteen inches sits as a close collarbone choker. Seventeen to eighteen inches falls just below the collarbone, which is the most flattering length on most necklines. Twenty inches and longer suits lower necklines.
How much should a tennis necklace cost?
Natural diamond tennis necklaces start near 3,000 AUD for small total carat weights and run into six figures at the top of the market. Lab grown diamond and moissanite versions deliver the same look at a fraction of the price.
Can a tennis necklace be worn every day?
Yes, if the clasp is secure and the necklace is removed for sport and sleeping. Bezel settings hold up to daily wear better than prongs because there is nothing to catch.
Are lab grown diamond tennis necklaces graded?
Yes. Lab grown diamonds grade through GIA, IGI and the other major laboratories on the same 4Cs scale used for natural diamonds. The grading report shows colour, clarity, cut and carat for each stone where the necklace is certified.

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