Browse diamond necklaces from a curated collection, including the popular diamond tennis necklace and diamond pendant necklace. Discover a diamond heart necklace or diamond solitaire necklace in a range of carat weights. Shop a diamond choker necklace or diamond station necklace.

Diamond Necklaces

Collection of jewels | Collezione di gioielli

Diamond necklace and double brooch | Collana e coppia di spille in diamanti 

Diamond necklace |Collana con diamante

Diamond neckalce | Collier con diamante

Diamond clip 1930 and cultured pearl necklace | Clip in diamanti 1930 e collana in perle coltivate

Diamond necklace and a ring | Girocollo e anello in diamanti

Set with 113 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 17.50 carats, on average 0.16 carat each</li><li>18 karat white gold</li><li>Total weight 21.10 grams</li><li>Length 16 inches</li></ul>

White Gold and 17.50ctw Round Brilliant Cut Diamond Tennis Necklace

Set with 102 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 8.25 carats, on average 0.08 carat</li><li>18 karat white gold</li><li>Total weight 22.42 grams</li><li>Length 15¾ inches</li></ul>

White Gold and 8.25ctw Round Brilliant Cut Diamond Tennis Necklace

Composed of 125 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 12.65 carats, on average 0.10 carat each</li><li>18 karat white gold</li><li>Total weight 26.90 grams</li><li>Length 16 inches</li></ul>

White Gold and 12.65ctw Round Brilliant Cut Diamond Tennis Necklace

Composed of 123 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 14.60 carats, on average 0.11 carat each</li><li>18 karat white gold</li><li>Total weight 23.79 grams</li><li>Length 17 inches</li></ul>

White Gold and 14.60ctw Round Brilliant Cut Tennis Necklace

Composed of round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 12.30 carats</li><li>18 karat white gold</li><li>Total weight 13.38 grams</li><li>Length 18½ inches</li></ul>

White Gold and 12.30ctw Round Brilliant Cut Diamond Tennis Necklace

Composed of 150 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 9.10 carats, on average 0.06 carats each</li><li>18 karat white gold</li><li>Total weight 16.37 grams</li><li>Length 16 inches</li></ul>

White Gold and 9.10ctw Round Brilliant Cut Diamond Tennis Necklace

Composed of 133 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 13.10 carats, center diamond weighing 0.60 carat</li><li>18 karat white gold</li><li>Total weight 16.10 grams</li><li>Length 16 inches</li><li>Accompanied by three GIA reports, stating that the diamonds are D-F color and VVS2-VS2 clarity</li></ul>

White Gold and 13.10ctw Round Brilliant Cut Diamond Rivière Tennis Necklace

Composed of 45 oval-cut diamonds, accented by 730 round brilliant-cut diamonds.<ul><li>Oval-cut diamonds weighing a total of approximately 18.55 carats, on average 0.41 carat each</li><li>Round brilliant-cut diamonds weighing a total of approximately 3.65 carats</li><li>18 karat white gold</li><li>Total weight 30.58 grams</li><li>Length 16 inches</li></ul>

White Gold and 18.55ctw Oval Cut Diamond Tennis Necklace

Composed of 114 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 22.25 carats, center diamond weighing 1.50 carats</li><li>18 karat white gold</li><li>Total weight 21.99 grams</li><li>Length 17 inches</li><li>Accompanied by 15 GIA reports stating that the diamonds are G-I color and VVS2-VS1 clarity</li></ul>

White Gold and 22.25ctw Round Brilliant Cut Diamond Rivière Tennis Necklace

Composed of 52 oval-cut yellow diamonds, accented by 832 round brilliant-cut diamonds.<ul><li>Yellow diamonds weighing a total of approximately 22.40 carats, on average 0.43 carat</li><li>Round brilliant-cut diamonds weighing a total of approximately 3.10 carats</li><li>Total weight 35.55 grams</li><li>Length 16 inches</li></ul>

White Gold and 22.40ctw Oval Cut Yellow Diamond Tennis Necklace

Composed of 327 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 21.65 carats</li><li>18 karat white gold</li><li>Total weight 40.28 grams</li><li>Length 18 inches</li></ul>

White Gold and 21.65ctw Round Brilliant Cut Diamond Three Row Collar Necklace

Set with round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 35.55 carats, on average 0.25 carat each</li><li>18 karat white gold</li><li>Total weight 39.3 grams</li><li>Length 20 inches</li></ul>

White Gold and 35.55ctw Round Brilliant Cut Diamond Tennis Necklace

Composed of round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 20.65 carats, center diamond weighing approximately 1.00 carat</li><li>18 karat white gold</li><li>Length 16 inches</li></ul>

White Gold and 20.65ctw Round Brilliant Cut Diamond Rivière Tennis Necklace

Composed of round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 10.15 carats, center diamond weighing approximately 0.50 carat</li><li>18 karat white gold</li><li>Length 16 inches</li></ul>

White Gold and 10.15ctw Diamond Rivière Tennis Necklace

Composed of round brilliant-cut diamonds set in a three-prong setting.<ul><li>Diamonds weighing a total of approximately 13.45 carats, averaging 0.09 carat each</li><li>18 karat white gold</li><li>Length 16 inches</li></ul>

White Gold and 13.45ctw Round Brilliant Cut Diamond Tennis Necklace

Set with 92 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 11.90 carats, on average 0.13 carat each</li><li>18 karat white gold</li><li>Total weight 25.11 grams</li><li>Length 16 inches</li></ul>

White Gold and 11.90ctw Round Brilliant Cut Diamond Tennis Necklace

Set with 111 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 18.00 carats, on average 0.16 carat each</li><li>18 karat white gold</li><li>Total weight 28.27 grams</li><li>Length 16 inches</li></ul>

White Gold and 18.00ctw Round Brilliant Cut Diamond Tennis Necklace

Set with 121 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 17.45 carats, on average 0.14 carat each</li><li>18 karat white gold</li></ul>

White Gold and 17.45ctw Round Brilliant Cut Diamond Tennis Necklace

Composed of pear-shaped yellow diamonds, accented by oval and marquise near-colorless diamonds.<ul><li>Yellow diamonds weighing a total of approximately 4.75 carats</li><li>Near-colorless diamonds weighing a total of approximately 18.35 carats</li><li>18 karat white and yellow gold</li><li>Total weight 49.76 grams</li><li>Interior circumference 16 inches</li></ul>

White Gold, Gold, Yellow Diamond and Diamond Collar Necklace

Composed of round brilliant-cut diamonds arranged as a flower.<ul><li>Diamonds weighing a total of approximately 0.50 carat</li><li>Signed VCA with serial number</li><li>18 karat yellow gold</li><li>Total weight 4.00 grams</li><li>Length 17 inches</li></ul>

Gold and Diamond Fleurette Pendant Necklace

Composed of 16 asscher-cut diamonds.<ul><li>Diamonds weighing a total of approximately 4.95 carats</li><li>18 karat yellow gold</li><li>Total weight 9.27 grams</li><li>Length 18 inches</li></ul>

Gold and 4.95ct Asscher Cut Diamond Necklace

Composed of oval-shaped Fancy Vivid Yellow diamonds and accented by oval-shaped near-colorless diamonds.<ul><li>Fancy Vivid Yellow diamonds weighing a total of approximately 8.23 carats</li><li>Near-colorless diamonds weighing a total of approximately 12.32 carats</li><li>18 karat white and yellow gold</li><li>Total weight 25.76 grams</li><li>Length 15½ inches</li><li>Accompanied by 13 GIA reports</li></ul>

Gold, White Gold, 8.23ct Fancy Vivid Yellow Diamond and Diamond Collar Necklace

Centering a heart-shaped Fancy Intense Yellow diamond, accented by oval-, heart- and marquise-shaped near-colorless diamonds.<ul><li>Fancy intense yellow diamond weighing 3.64 carats</li><li>Near-colorless diamonds weighing a total of approximately 19.20 carats</li><li>18 karat yellow and white gold</li><li>Total weight 25.57 grams</li><li>Length 16 inches</li><li>Accompanied by GIA report no. 2191394371, dated 14 June 2023, stating that the 3.64 carat diamond is Natural Fancy Intense Yellow color and VVS2 clarity</li></ul>

Gold, White Gold, 3.64ct Fancy Intense Yellow Diamond and Diamond Collar Necklace

Set with 105 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of 32.87 carats</li><li>Platinum</li><li>Total weight 52.11 grams</li><li>Length 16¼ inches</li><li>Accompanied by 105 GIA reports, stating the diamonds are D-F color and VS2-SI1 clarity</li></ul>

Platinum, 32.87ct Diamond Tennis Necklace

Set with 6 marquise-shaped diamonds and 105 round brilliant-cut diamonds.<ul><li>Center diamond weighing 1.00 carat</li><li>Round brilliant-cut diamonds weighing a total of approximately 18.05 carats</li><li>Marquise-shaped diamonds weighing a total of approximately 3.15 carats</li><li>18 karat white gold</li><li>Total weight 25.14 grams</li><li>Length 16 inches</li><li>Accompanied by GIA report no. 5346188469, dated December 01, 2019, stating the 1.00 carat diamond is H color and SI1 clarity</li></ul>

White Gold and 23.20ct Diamond Lariat Necklace

Set with 50 oval-shaped diamonds and 50 round brilliant-cut diamonds.<ul><li>Oval-shaped diamonds weighing a total of approximately 15.70 carats</li><li>Round brilliant-cut diamonds weighing a total of approximately 9.35 carats</li><li>18 karat white gold</li><li>Total weight 33.13 grams</li><li>Length 16 inches</li></ul>

White Gold and 25.05ct Diamond Lariat Necklace

Set with 106 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 20.60 carats</li><li>18 karat white gold</li><li>Total weight 32.79 grams</li><li>Length 16½ inches</li></ul>

White Gold and 20.60ct Diamond Rivière Tennis Necklace

Set with round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 19.95 carats</li><li>18 karat white gold</li><li>Total weight 27.55 grams</li><li>Length 17 inches</li></ul>

White Gold and 19.95ct Diamond Tennis Necklace

Set with 169 graduated round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 7.55 carats</li><li>18 karat white gold</li><li>Total weight 15.66 grams</li><li>Length 16 inches</li></ul>

White Gold and 7.55ct Diamond Tennis Necklace

Composed of asscher-cut diamonds and accented by round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 22.00 carats</li><li>18 karat white gold</li><li>Total weight 26.76 grams</li><li>Length 17 inches, width ¼ inch</li></ul>

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Cartier, London, Cartier, London

Van Cleef & Arpels