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

Multi-coloured Sapphire and Diamond Cross Pendant

Sapphire, Seed Pearl and Diamond Pendant 

Sapphire and Diamond Pendant

Sapphire and Diamond Necklace

Natural Pearl, Emerald and Diamond Necklace 

Boucheron

Diamond Necklace, 'Delilah' 

O.J. Perrin

Diamond Parure 

Pearl and Diamond Choker

Gem-set and Diamond Pendant 

Charles de Temple

Gold, Coral, Onyx and Diamond Suite, 'Wrapped'

Diamond and Pearl Choker

Attributed to Koch

Natural Pearl and Diamond Pendant

Marina B 

Diamond Demi-Parure, 'Onda' 

Diamond and Seed Pearl Choker 

Zolotas

Ruby and Diamond Necklace 

Ghiso

Carved Glass and Seed Pearl Pendant

Cartier

Pair of Ruby and Diamond Pendant, 'Le Baiser du Dragon'

Kutchinsky

Diamond and Gold Necklace 

Gerda Flöckinger

Cultured Pearl and Gem-set Necklace 

Diamond Pendant Necklace

Sapphire and Diamond Necklace 

Seed Pearl and Diamond Choker

Heart-shaped Diamond Pendant Necklace

Diamond Necklace

Four-Row Natural Pearl and Diamond Necklace 

M. Gérard 

Featuring 3 baroque pearls in gold, set with round brilliant cut diamonds throughout.<ul><li>Diamonds weighing a total of approximately 30.00 carats</li><li>Signed M. Gérard, with serial numbers</li><li>Maker's mark for André Vassort</li><li>18 karat yellow gold</li><li>Total weight 72.74 grams</li><li>Length 17 inches</li><li>Accompanied by one Sotheby's folio</li></ul>

Gold, Cultured Pearl and Diamond Necklace

Buccellati

Designed as alternating oval cabochon green tourmalines and bezel set round brilliant cut diamonds, interspaced by textured gold flower petals with signature engraving.<ul><li>Tourmalines weighing a total of approximately 120.00 carats</li><li>Diamonds weighing a total of approximately 15.45 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/buccellati" rel="noopener noreferrer" target="_blank">BUCCELLATI</a></li><li>Italy</li><li>18 karat yellow gold</li><li>Total weight 120.4 grams</li><li>Necklace length 16½ inches, earrings length 1¾ inches</li><li>Earclips fitted with posts</li><li>Accompanied by a signed box</li></ul>

Vintage Gold, Tourmaline and Diamond Necklace Demi Parure

Tiffany & Co.

Of the Tiffany T collection, set with round brilliant cut diamonds throughout.<ul><li>Diamonds weighing a total of approximately 0.65 carat</li><li>Signed<a href="https://www.sothebys.com/en/buy/luxury/jewelry/tiffany-&amp;-co" rel="noopener noreferrer" target="_blank"> TIFFANY &amp; Co.</a></li><li>ITALY</li><li>Inscribed diamond carat total weight</li><li>18 karat white gold</li><li>Total weight 13.33 grams</li><li>Length 18 inches</li><li>Accompanied by one brand box and outer box</li></ul>

White Gold and Diamond Tiffany T T1 Circle Pendant Necklace

Van Cleef & Arpels

Of the Rose de Noël collection and mini model, composed of carved white mother of pearl petals and accented by 3 round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 0.10 carat</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/van-cleef-&amp;-arpels" rel="noopener noreferrer" target="_blank">Van Cleef &amp; Arpels</a> with serial number</li><li>18 karat yellow gold</li><li>Total weight 9.36 grams</li><li>Length 16 inches</li><li>Accompanied by one Sotheby's box</li></ul>

Gold, Mother of Pearl and Diamond Mini Rose de Noël Pendant Necklace 

Composed of round brilliant cut diamonds and interspacing with 'X' gold motifs .<ul><li>Diamonds weighing a total of approximately 8.25 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/tiffany-&amp;-co" rel="noopener noreferrer" target="_blank">T&amp;Co.</a></li><li>18 karat yellow gold</li><li>Total weight 91.26 grams</li><li>Length 16 inches</li><li>Accompanied by one Sotheby's folio</li></ul>

Gold and Diamond Signature 'X' Necklace

David Webb

Centering an American Liberty Head Coin dated 1882, accented by round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 0.30 carat</li><li>Signed David Webb</li><li>18 karat yellow gold and platinum</li><li>Total weight 73.67 grams</li><li>Pendant length 1 inch, width 1¼ inches; Chain length 16 inches</li><li>Accompanied by one Sotheby's folio</li></ul>

Gold, Platinum, Diamond and Liberty Head Coin Necklace

Of twisted rope design, pavé set with round brilliant cut diamond in the center.<ul><li>Diamonds weighing a total of approximately 3.75 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/van-cleef-&amp;-arpels" rel="noopener noreferrer" target="_blank">VCA</a>, with serial numbers</li><li>18 karat yellow gold</li><li>Total weight 52.00 grams</li><li>Length 16 inches, widest part ¼ inch</li><li>Accompanied by one Sotheby's folio</li></ul>

Gold and Diamond Rope Necklace

Centering a pear shaped Fancy Intense <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">Yellow diamond</a>, accented by pear shaped white diamond, accented by round brilliant cut yellow diamonds and enhanced by round brilliant cut white diamonds.<ul><li>Fancy Intense <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">Yellow diamond</a> weighing 3.05 carat</li><li>Pear shaped diamond weighing 0.79 carat</li><li>Additional <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">yellow diamonds</a> weighing a total of approximately 0.55 carat</li><li>Additional white diamonds weighing a total of approximately 0.35 carat</li><li>Platinum and 18 karat yellow gold</li><li>Total weight 9.29 grams</li><li>Chain length 16 inches; Pendant length 13⁄16 inch, width ½ inch</li><li>Accompanied by GIA report no. 5222278334, dated 12 January 2023, stating that the 3.05 carat diamond is Fancy Intense Yellow color and SI2 clarity with Faint Fluorescence</li><li>Accompanied by GIA report no. 6224082261, dated 13 October 2021, stating that the 0.79 carat diamond is H color and VS1 clarity with No Fluorescence</li><li>Accompanied by one Sotheby's box</li></ul>

Platinum, Gold, 3.05ct Pear Shape Fancy Intense Yellow Diamond and Diamond Pendant Necklace

of the iconic Sevillana collection, composed of round brilliant cut diamonds set in an O pendant and suspended from a black silk cord.<ul><li>Diamonds weighing a total of approximately 2.50 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/tiffany-&amp;-co" rel="noopener noreferrer" target="_blank">Tiffany &amp; Co.</a> Elsa Peretti Spain</li><li>Platinum</li><li>Total weight 13.49 grams</li><li>Pendant diameter 1⅜ inches, Necklace length 18 inches</li><li>Accompanied by a signed box</li></ul>

Platinum and Diamond Sevillana Oval Pendant Necklace

Diamond Necklaces

Diamond Necklaces

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Boucheron

O.J. Perrin

Charles de Temple

Attributed to Koch

Marina B

Zolotas

Ghiso

Cartier

Kutchinsky

Gerda Flöckinger

M. Gérard

Buccellati

Tiffany & Co.

Van Cleef & Arpels

Tiffany & Co.

David Webb

Van Cleef & Arpels

Tiffany & Co.