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Diamond necklaces for women at Coveti, in 18K gold, each authenticated before it ships, from Messika, Suzanne Kalan and more. Shop diamond pendants and rivieres, and see tennis necklaces and pendant necklaces. Read our diamond necklace guide.

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18 in
36 in

Infinite Triple Row Diamond Rondelle Pendant in 18K Yellow Gold

Price range: $23,620 through $30,970
This product has multiple variants. The options may be chosen on the product page
One Size

Infinite Double Row Diamond Rondelle Pendant in 18K Yellow Gold

$15,390
This product has multiple variants. The options may be chosen on the product page
One Size

Infinite Double Row Diamond Rondelle Pendant in 18K Rose Gold

$15,390
This product has multiple variants. The options may be chosen on the product page
One Size

Infinite Pave Diamond Mini Rondelle Pendant in 18K Rose Gold

$5,400
This product has multiple variants. The options may be chosen on the product page
18 in
36 in

Infinite Triple Row Diamond Rondelle Pendant in 18K White Gold

Price range: $23,620 through $30,970
This product has multiple variants. The options may be chosen on the product page
18 in
36 in

Infinite Triple Row Diamond Rondelle Pendant in 18K Rose Gold

Price range: $23,620 through $30,970
This product has multiple variants. The options may be chosen on the product page
One Size

Princess Mini Diamond Pendant in 18K White Gold

$3,930
This product has multiple variants. The options may be chosen on the product page
One Size

Infinite Double Row Diamond Rondelle Pendant in 18K White Gold

$15,390
This product has multiple variants. The options may be chosen on the product page
One Size

Infinite Pave Diamond Mini Rondelle Pendant in 18K White Gold

$5,400
This product has multiple variants. The options may be chosen on the product page
One Size

Frenzy Tennis Necklace in 18K White Gold

$94,180
This product has multiple variants. The options may be chosen on the product page
One Size

Princess Mini Pendant in 18K Yellow Gold

$3,930
This product has multiple variants. The options may be chosen on the product page
One Size

Infinite Triple Diamond Tri-Color Rondelle Pendant in 18K Rose Gold

$13,040
This product has multiple variants. The options may be chosen on the product page
One Size

Princess Mini Diamond Pendant in 18K Yellow Gold

$3,930
This product has multiple variants. The options may be chosen on the product page
One Size

Princess Mini Pendant in 18K Rose Gold

$3,930
This product has multiple variants. The options may be chosen on the product page
One Size

Infinite Triple Diamond Tri-Color Rondelle Pendant in 18K White Gold

$13,040
This product has multiple variants. The options may be chosen on the product page
One Size

Princess Mini Diamond Pendant in 18K Rose Gold

$3,930
This product has multiple variants. The options may be chosen on the product page
One Size

La Fantaisie Star Diamond Pendant in 18K White Gold

$5,980
This product has multiple variants. The options may be chosen on the product page
One Size

Infinite Triple Diamond Tri-Color Rondelle Pendant in 18K Yellow Gold

$13,040
This product has multiple variants. The options may be chosen on the product page
One Size

La Fantaisie Cosmic Diamond Tennis Necklace in 18K White Gold

$57,430
This product has multiple variants. The options may be chosen on the product page
One Size

La Fantaisie Star Diamond Pendant in 18K Yellow Gold

$5,980
This product has multiple variants. The options may be chosen on the product page
One Size

Classic Diamond 50/50 Tennis Necklace in 18K Yellow Gold

$65,670
This product has multiple variants. The options may be chosen on the product page
One Size

La Fantaisie Star Diamond Pendant in 18K Rose Gold

$5,980
This product has multiple variants. The options may be chosen on the product page
One Size

Princess Milli Half Diamond Tennis Necklace in 18K White Gold

$132,400
This product has multiple variants. The options may be chosen on the product page
One Size

Frenzy Diamond Tennis Necklace in 18K White Gold

$94,180
This product has multiple variants. The options may be chosen on the product page

Pendant and line

A single diamond pendant on a fine chain is the everyday choice. A line of diamonds round the neck is the evening one.

Diamond Necklaces: FAQs

What length should a diamond necklace be?

16 to 18 inches, so the stones sit at the base of the neck and on the collarbone.

Can I wear a diamond necklace every day?

Yes. Diamonds are the hardest natural material. Take it off to swim and sleep to protect the chain.

How do I clean a diamond necklace?

Soak it in warm soapy water, brush gently behind the stones and dry with a lint free cloth.

Coveti curates 110+ diamond necklaces for women in 18K gold, sourced and authenticated.