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How to Choose a Diamond Tennis Necklace— The Buying Guide

by Andy Jones on May 06, 2024

Diamond tennis necklace in 14K white gold lying flat

To choose a diamond tennis necklace, decide four things in order: total carat weight, length, metal, and diamond grade. Carat weight sets how bold the line looks. Length sets where it sits, with 16 inches the standard. Metal sets the tone, and grade only needs to be high enough that every stone matches its neighbors. G color and SI clarity in 14K white or yellow gold is the most common specification for a natural diamond tennis necklace, and it is the one used across the Davizi Jewels tennis necklace collection.

Table of Contents

  1. What is a tennis necklace?
  2. Why is it called a tennis necklace?
  3. How many carats should a diamond tennis necklace be?
  4. What color and clarity grade do you need?
  5. Natural or lab-grown diamonds?
  6. Which style of tennis necklace?
  7. Which metal?
  8. What length should a tennis necklace be?
  9. What to check on the setting and clasp
  10. How to wear a diamond tennis necklace
  11. Can you wear a diamond tennis necklace every day?
  12. Frequently asked questions
  13. Choosing a tennis necklace with Davizi Jewels

What is a tennis necklace?

A tennis necklace is a continuous line of matched diamonds or gemstones, each in its own mount, linked so the necklace bends freely and lies flat against the neck. There are no gaps and no focal stone. The stones are usually round brilliants of equal size, though princess, emerald-cut and graduated versions exist.

Because every link moves on its own, a well-made tennis necklace follows the curve of the neck rather than standing away from it. That flexibility is also why the clasp and links matter as much as the diamonds.

Why is it called a tennis necklace?

The necklace takes its name from the tennis bracelet. During a US Open match, Chris Evert's diamond line bracelet came off her wrist, and play stopped while it was found. The story spread, line bracelets became tennis bracelets, and the name passed to necklaces made the same way. The style itself is far older; continuous lines of matched stones were worn in European jewelry long before the name existed.

How many carats should a diamond tennis necklace be?

Between 2 and 8 carats total suits most buyers. The weight on a tennis necklace is the total across every stone, so at the same length a higher carat weight means bigger individual diamonds, not a longer line.

Total carat weight How it looks Best for
2 to 3 ct A fine, bright line Everyday wear and layering
5 to 8 ct Individual diamonds visible at conversational distance Work to evening
10 ct and above A heavy, statement line Formal occasions

Listings quote ctw, carat total weight. For how total weight relates to the size of each stone, see Diamond Carat and Clarity Explained.

What color and clarity grade do you need?

G color and SI clarity is enough for a tennis necklace, and going higher rarely shows. Each stone in a tennis necklace is small, and the necklace is seen from further away than a ring. At that size and distance, a G stone looks white and an SI stone looks clean.

Consistency matters more than the grade. One stone that is warmer, duller or slightly smaller than the rest breaks the line, and that is visible where the difference between G and D is not. When comparing necklaces, look at how evenly the stones match from end to end.

Cut is the third factor. Well-cut stones return more light and make the whole line look brighter, which is why cut often matters more than carat weight.

Natural or lab-grown diamonds?

Both are diamond. A lab-grown tennis necklace offers more total carat weight for the same spend; a natural one holds its value differently on resale and carries geological origin. Many buyers decide on what the necklace is for: an heirloom or a piece to keep, or the largest line for the price. Lab-Grown vs. Natural Diamonds sets out the differences in full.

Which style of tennis necklace?

  • Classic single row. One line of equal stones. The most versatile style and the easiest to layer.
  • Graduated. Stones increase in size toward the front of the neck, drawing attention to the center.
  • Multi-row. Two or more lines set together for a wider band of diamonds, suited to evening wear.

Which metal?

Metal Choices | White Gold, Yellow Gold, Platinum

White gold sits closest to the diamonds in tone and keeps G stones looking white, so it is the most common choice. Yellow gold warms the line and suits anyone who wears mostly yellow gold. Rose gold gives a softer, pinker look.

14K gold is the practical karat for a tennis necklace. It is harder than 18K, which matters on a piece made of dozens of small links and prongs that flex every time it is worn.

What length should a tennis necklace be?

Length Where it sits Suits
14 to 15 inches Close around the neck, choker style Strapless and off-shoulder necklines
16 inches At the base of the neck, on or just above the collarbone Crew necks, open collars, everyday wear
18 inches Just below the collarbone, falling into a slight V V-necks and layering under a shorter chain

16 inches is the standard and the safest choice, which is why most necklaces in the tennis necklace collection are made at that length, such as this 10.00-carat 16-inch necklace. Neck size shifts every length, so the most reliable check is to measure a necklace that already fits well.

What to check on the setting and clasp

  • Prongs. Each stone should sit level and secure, with prongs that are even and not lifted.
  • Flex. Lay the necklace flat and lift it. It should drape smoothly without stiff sections or links that kink.
  • Clasp. The clasp carries the whole necklace. A box clasp with a secondary safety latch is the common secure design.
  • Documentation. The listing or appraisal should state total carat weight, color, clarity and metal.

How to wear a diamond tennis necklace

A tennis necklace works with almost anything. Worn alone at 16 inches, it sits neatly above a crew neck or open shirt collar. With a strapless or off-shoulder neckline, a shorter, heavier line fills the space. For layering, wear the tennis necklace at 16 inches with a pendant on an 18-inch chain below it. More styling ideas are in Tips on How to Style a Diamond Necklace.

A matching diamond tennis bracelet in the same metal and grade completes the set.

Can you wear a diamond tennis necklace every day?

Yes. A 2 to 3 carat tennis necklace in 14K gold is made for regular wear. Take it off for sleep, sport and swimming, and keep it in a separate compartment so it does not tangle or scratch other pieces. Clean it with warm water, a drop of mild soap and a soft brush, and have the prongs and clasp checked once a year. How to Care for Your Diamond Jewelry covers cleaning in more detail.

Frequently asked questions

What is the best length for a diamond tennis necklace?

16 inches for most people. It sits at the base of the neck and keeps the line round and flat. Choose 18 inches for a lower fall or for layering.

How many carats is a good tennis necklace?

2 to 3 carats total for everyday wear, 5 to 8 carats for a necklace that works from day to evening, and 10 carats and above for a statement piece.

Is G SI good enough for a tennis necklace?

Yes. On the small stones in a tennis necklace, G color looks white and SI clarity looks clean when worn. Matching between stones matters more than a higher grade.

What is the difference between a tennis necklace and a riviera necklace?

Both are continuous lines of diamonds. A riviera necklace traditionally uses graduated stones that grow larger toward the front, while a classic tennis necklace uses stones of equal size throughout.

Does a diamond tennis necklace come with certification?

Every diamond tennis necklace from Davizi Jewels ships with a GIA-certified gemologist appraisal stating total carat weight, color, clarity and metal.

Choosing a tennis necklace with Davizi Jewels

Davizi Jewels works direct with manufacturers from New York's Diamond District and sells nationwide. Every diamond piece ships with a GIA-certified appraisal, free shipping and a 30-day money-back guarantee. Browse the diamond tennis necklace collection or the full range of diamond necklaces, or contact the team at 800-504-0454 to compare lengths, carat weights and metals before ordering. Appointments are available at 36 W 47th St.