Explore the diversity of our diamond necklace selection, whether it’s a modern pairing with pearls, a showstopping statement piece or a streamlined silhouette. <a href="https://www.sothebys.com/en/buy/luxury/jewelry/diamond" rel="noopener noreferrer" target="_blank">All Diamonds</a> | <a href="https://www.sothebys.com/en/buy/luxury/jewelry" rel="noopener noreferrer" target="_blank">All Jewelry</a>

Diamond Necklaces

Gold and diamond parure, ‘Atlas’, circa 1995

<ul><li>Formant un coeur pavé de diamants taille brillant pour un poids total d'environ 0.90 - 1.10 carat</li><li>Signé Poiray, numéroté 62068</li><li>Poinçon français pour l'or 18K (750°/00)</li><li>Dimensions 30 x 24 mm, poids brut 16.56 g</li><li>Accompagné de cordons de couleur, d'une boîte et d'une pochette signées Poiray.</li></ul> <ul><li>Designed as a heart pavé-set with brilliant-cut diamonds weighing approximately 0.90- 1.10 carat</li><li>Signed Poiray, numbered 62068</li><li>French assay mark for 18 carat gold</li><li>Measuring 30 x 24mm, gross weight 16.56 grams</li><li>With extra colored cords, a box and a pouch stamped Poiray</li></ul>

Pendentif diamants | Diamond pendant

Of a chandelier design, composed of pear and round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 2.70 carats, center diamond weighing approximately 1.00 carat</li><li>Platinum pendant and 18 karat white gold chain</li><li>Signed Graff with serial number</li><li>Total weight 8.34 grams</li><li>Chain length 17 inches, pendant drop length 1¼ inches</li><li>Accompanied by a signed box</li><li>This item is final sale and not eligible for return</li></ul>

Platinum, White Gold and Diamond Pendant Necklace

Composed of pink sapphires and round brilliant-cut diamonds.<ul><li>Pink sapphires weighing a total of approximately 60.00 carats</li><li>Diamonds weighing a total of approximately 0.60 carats</li><li>18 karat yellow gold</li><li>Total weight 87.22 grams</li><li>Inner circumference 17 inches, drop length 4½ inches</li><li>This item is final sale and not eligible for return</li></ul>

Gold, Pink Sapphire and Diamond Necklace

Composed of round-, pear- and marquise-shaped sapphires and accented by round brilliant-cut diamonds.<ul><li>Sapphires weighing a total of approximately 50.00 carats</li><li>Diamonds weighing a total of approximately 0.60 carat</li><li>18 karat yellow gold</li><li>Total weight 49.97 grams</li><li>Interior circumference 15½ inches, drop length 3½ inches</li><li>This item is final sale and not eligible for return</li></ul>

Gold, Sapphire and Diamond Necklace

Hermès Rose Gold and Diamond Finesse Pendant<ul><li>Signed Hermès</li><li>Set with 17 diamonds and snap closure, total 0.46 cts</li><li>Includes jewelry box and box</li><li>This item is final sale and not eligible for return</li></ul>

Rose Gold and Diamond Finesse Pendant

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

Formant une fleur de camélia sertie de diamants taille brillant sur une chaîne en or, longueur 410 mm, signé Chanel, numéroté D4477, poinçon français pour l'or (750°/00), poinçon de maître, poids brut 13.20 g. Designed as a camelia flower set with brilliant-cut diamonds to a gold chain, length 410mm, signed Chanel, numbered D4477, French assay mark for 18 carat gold, maker's mark, gross weight 13.20 grams.

Collier diamants, "Bouton de Camelia" | Diamond necklace, 'Bouton de Camelia'

Convertible necklace with detachable brooch composed of 114 Burmese rubies, 428 baguette cut, 122 round brilliant cut and 5 shield-cut diamonds.<ul><li>Rubies weighing a total of approximately 200.00 carats</li><li>Diamonds weighing a total of approximately 50.00 carats</li><li>Platinum</li><li>Total weight 169 grams</li><li>Length 16 inches</li><li>Accompanied by AGL report no. CS 45949, dated 16 August 2011, stating that 114 rubies tested are of Burmese origin with no indication of heating and insignificant to faint indication of oil enhancement</li></ul>

Platinum, Burmese Ruby and Diamond Convertible Brooch and Necklace

Long necklace designed as a serpent, accented by round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 19.20 carats</li><li>18 karat yellow gold</li><li>Total weight 67.66 grams</li><li>Length 18 inches neck and 3½ inches tail</li></ul>

Gold and Diamond Serpent Necklace

Of the iconic Panthère collection, composed of two panther heads with lacquer inlays, onyx noses and tsavorite garnet eyes and diamond accented tassels.<ul><li>Diamonds are approximately 1.00 carat</li><li>18 karat yellow gold</li><li>Signed Cartier</li><li>Total weight 155 grams</li><li>Inner circumference 31 inches</li></ul>

Gold, Tsavorite, Onyx and Diamond Double Panthère Tassel Necklace 

Composed of pear-shaped Zambian emeralds and accented by round, pear and marquise-cut diamonds.<ul><li>Zambian emeralds weighing a total of 59.28 carats</li><li>Diamonds weighing a total of 34.79 carats</li><li>Platinum, 18 karat white and yellow gold</li><li>Total weight 96.40 grams</li><li>Earrings fitted with posts</li><li>Necklace length 16½ inches; necklace drop length 3 inches</li><li>Earring length 3 inches, width 1 inch</li><li>Accompanied by C. Dunaigre report no. CDC 1808585/1-22, dated 18 August 2018, stating that the 34.35 carats of emeralds are of of Zambian origin and show indications of minor to moderate clarity enhancement</li><li>Accompanied by C. Dunaigre report no. CDC 1908507/1-20, dated 16 August 2019, stating that the 24.93 carats of emeralds are of Zambian origin and show indications of minor clarity enhancement to indications of clarity enhancement</li></ul>

Platinum, Gold, 59.28ctw Zambian Emerald and Diamond Earring and Necklace Set

Composed of pear and oval Zambian emeralds, accented by round brilliant, pear and marquise-shaped diamonds.<ul><li>Zambian emeralds weighing a total of approximately 144.07 carats</li><li>Diamonds weighing a total of approximately 171.40 carats</li><li>Platinum</li><li>Total weight 321.20 grams</li><li>Length 17½ inches, width 3¾ inches</li><li>Accompanied by C. Dunaigre report no. CDC 1908510/1-29, dated 16 August 2019, stating that the 144.07 carats of emeralds are of Zambian origin and show indications of minor clarity enhancement to indications of enhancement</li></ul>

Platinum, 144.07ctw Zambian Emerald and Diamond Necklace

Composed of 119 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 13.48 carats, on average 0.11 carat each</li><li>18 karat white gold</li><li>Total weight 27.21 grams</li><li>Length 16 inches</li></ul>

White Gold and 13.50ctw 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 40 pear-shaped yellow diamonds and 46 oval brilliant-cut diamonds.<ul><li>Pear cut diamonds weighing a total of approximately 14.30 carats, on average 0.35 carat each</li><li>Oval cut diamonds weighing a total of approximately 14.70 carats, on average 0.32 carat each</li><li>18 karat yellow gold</li><li>Total weight 37.70 grams</li><li>Circumference 16 inches</li></ul>

Gold, Pear Cut Yellow Diamond and Oval Cut Diamond Waterfall Collar 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 round brilliant-cut diamonds set in platinum, suspended from a white gold chain.<ul><li>Diamonds weighing a total of approximately 2.40 carats</li><li>Signed Tiffany &amp; Co.</li><li>Platinum and 18 karat white gold</li><li>Total weight 4.62 grams</li><li>Chain length 18 inches; pendant length 1 inch, width ¾ inch</li></ul>

Platinum, White Gold and Diamond Cross Pendant Necklace

Of the Elysium collection, composed of round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 8.00 carats</li><li>Signed Bvlgari</li><li>Italian registry mark</li><li>18 karat white gold</li><li>Total weight 42.84 grams</li><li>Length 18½ inches</li><li>Accompanied by a signed box</li></ul>

White Gold and Diamond Elysia 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 round brilliant and baguette-cut diamonds.<ul><li>Diamonds weighing a total of approximately 12.00 carats</li><li>Signed Mauboussin with serial number</li><li>French hallmarks</li><li>18 karat yellow gold</li><li>Circa 1980s</li><li>Total weight 62.77 grams</li><li>Length 16 inches, width ½ inch</li><li>Accompanied by a signed box</li></ul>

Vintage Gold and Diamond Collar Necklace

Of chandelier design, composed of round brilliant and pear-shaped diamonds.<ul><li>Diamonds weighing a total of approximately 30.90 carats</li><li>Signed Graff with serial number</li><li>English hallmarks</li><li>Platinum</li><li>Total weight 62.04 grams</li><li>Length 16½ inches; pendant length 8¼ inches</li><li>Accompanied by a signed folio</li><li>Accompanied by GIA report no. 2106757336, dated 15 January 2010, stating that the 1.52 carat diamond is G color and SI1 clarity with no fluorescence</li><li>Accompanied by GIA report no. 6117770766, dated 5 March 2010, stating that the 1.02 carat diamond is F color and SI1 clarity with no fluorescence</li><li>Accompanied by GIA report no. 1112795751, dated 11 March 2010, stating that the 1.01 carat diamond is F color and SI1 clarity with no fluorescence</li></ul>

Platinum and Diamond Chandelier Necklace

Composed of round brilliant-cut diamonds and accented by sapphires.<ul><li>Diamonds weighing a total of approximately 7.86 carats</li><li>Sapphires weighing a total of approximately 3.70 carats</li><li>Signed Graff with serial number</li><li>English hallmarks</li><li>18 karat white gold</li><li>Total weight 24.58 grams</li><li>Accompanied by signed folio</li><li>Accompanied by GIA report no. 5186708818, dated 20 November 2014, stating that the 0.70 carat diamond is F color and VS1 clarity with no fluorescence</li></ul>

White Gold, Sapphire and Diamond Medallion Pendant Necklace

Of the iconic Bamboo collection, composed of round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 18.00 carats</li><li>Signed Cartier with serial number</li><li>French hallmarks</li><li>18 karat yellow gold</li><li>Circa 1980s</li><li>Total weight 95.00 grams</li><li>Interior circumference 16½ inches</li><li>Accompanied by a signed pouch</li></ul>

Vintage Gold and Diamond Bamboo Collar 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

Composed of 49 fancy shaped diamonds.<ul><li>Diamonds weighing a total of 37.10 carats</li><li>Platinum</li><li>Inner circumference 17 inches</li><li>Accompanied by 49 GIA reports, stating that the diamonds are D-F color and IF-SI1 clarity</li></ul>

Platinum and 37.10ctw Fancy Shape Diamond 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

Of the iconic Diva's Dream collection, set with round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 2.40 carats</li><li>Signed Bvlgari</li><li>18 karat white gold</li><li>Total weight 17.8 grams</li><li>Pendant length 1 inch, necklace length 17½ inches</li><li>Accompanied by original manufacturer's certificate of authenticity</li></ul>

White Gold and Diamond Diva's Dream Necklace

Of the open circle collection, composed of round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 1.00 carat</li><li>Signed Tiffany &amp; Co.</li><li>Platinum</li><li>Total weight 7.30 grams</li><li>Earring diameter ⅜ inch</li><li>Necklace length 16½ inches</li><li>Accompanied by a signed box</li><li>This item is final sale and not eligible for return</li></ul>

Platinum and Diamond Open Circle Earring and Necklace Set

Composed of 167 round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of 7.65 carats, on average 0.04 carat each</li><li>18 karat white gold</li><li>Total weight 16.36 grams</li><li>Length 16½ inches</li></ul>

Diamond Necklaces

Diamond Necklaces

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