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

Cartier

Of Amulette de Cartier collection, with a bezel set round brilliant cut diamond and white mother of pearl.<ul><li>Diamond weighing approximately 0.09 carat</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a>, with serial numbers</li><li>Maker's mark</li><li>18 karat rose gold</li><li>Total weight 10.00 grams</li><li>Length 23 inches, pendant diameter ⅝ inch</li><li>Accompanied by one Sotheby's box</li></ul>

Rose Gold, Mother of Pearl and Diamond Amulette de Cartier  Pendant Necklace

Of the iconic Trinity collection, composed of polished tri-color gold circular links, centering a pavé set diamond interlocking ring drop.<ul><li>Diamonds weighing a total of approximately 4.50 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a>, with serial numbers</li><li>18 karat yellow gold, rose gold and white gold</li><li>Total weight 83.30 grams</li><li>Necklace length 17½ inches; lariat length 3¾inches; pendant diameter 1¾ inches</li><li>Accompanied by one Sotheby's folio</li></ul>

Gold, White Gold, Rose Gold and Diamond Trinity Lariat Necklace

Composed of a paper clip chain, spaced with six cage motif stations, accented by round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 0.75 carat</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a>, with serial numbers</li><li>18 karat white gold</li><li>Total weight 23.00 grams</li><li>Motif diameter approximately 7⁄16 inch; necklace length approximately 17 1⁄8 inches</li><li>Accompanied a signed pouch</li></ul>

White Gold and Diamond Pasha de Cartier Necklace

Designed as a panther, pavé set with brilliant cut diamonds, with a tsavorite garnet eye and black lacquer nose and spots.<ul><li>Diamonds weighing a total of approximately 0.07 carat</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a>, with serial number</li><li>French hallmark</li><li>18 karat yellow gold</li><li>Total weight 11.70 grams</li><li>Necklace length 420.00 mm; motif length 37.50 mm, width 11.40 mm</li><li>Accompanied by one signed box</li></ul>

Gold, Emerald, Onyx and Diamond Panthère Necklace

Of the iconic C de <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a> collection, centering a round brilliant cut diamond suspended from a chain.<ul><li>Diamond weighing 0.72 carat</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a> with serial number and <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a> maker's mark</li><li>18 karat rose gold</li><li>Total weight 3.45 grams</li><li>Pendant diameter ¼ inch; chain length 15 - 17 inches</li><li>Accompanied by a signed box, pouch, and certificate of authenticity</li><li>Accompanied by GIA report no. 2316424940, dated 12 December 2018, stating that the 0.72 carat diamond is G color and VS2 clarity with No Fluorescence</li><li>This item is final sale and not eligible for return</li></ul>

Rose Gold and 0.72ct Round Brilliant Cut Diamond C de Cartier Pendant Necklace

Of iconic geometrical design,&nbsp;set with brilliant-cut diamonds, suspending two ruby beads,&nbsp;completed by a black cord.<ul><li>Diamonds estimated to weigh a total of approximately 1.80 carats</li><li>Signed&nbsp;<a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a></li><li>Numbered</li><li>Cord end caps with French hallmark and maker's marks</li><li>Pendant with Italian maker's mark</li><li>18 karat white gold</li><li>Gross weight approximately 18.16 grams</li><li>Necklace length approximately 14½ inches</li><li>Pendant dimensions approximately 1⅒ x ⅒ inches</li><li>Accompanied by one Sotheby's pouch</li><li>This item is final sale and not eligible for return</li></ul>

Gold, Diamond and Ruby ‘Le Baiser Du Dragon’ Pendent Necklace

The brilliant-cut diamond-set round pendant decorated with three black ceramic nail motifs.<ul><li>Diamonds weighing a total of approximately 4.00-5.00 carats</li><li>Signed&nbsp;<a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a>, with serial numbers</li><li>With French assay and maker's marks</li><li>18 karat white gold</li><li>Total weight 22.00 grams</li><li>Length approximately 420mm</li><li>Pouch stamped Cartier</li></ul>

White Gold, Diamond and Black Ceramic 'Love' Pendent Necklace

Of the iconic Maillon Panthère collection, composed of round brilliant cut diamonds set in a three row brick link design.<ul><li>Diamonds weighing a total of approximately 7.00 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a> with serial number</li><li>French hallmark and French maker's mark</li><li>18 karat white gold</li><li>Total weight 86.00 grams</li><li>Length 16 inches, width ⅜ inch</li><li>Accompanied by a signed pouch</li></ul>

White Gold and Diamond Maillon Panthère Necklace

Of iconic Love design, accented by round diamonds and black ceramic as nailhead motif.<ul><li>Diamonds weighing a total of approximately 1.50 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a>, with serial numbers</li><li>18 karat white gold</li><li>Total weight 10.17 grams</li><li>Circa 2007</li><li>Chain length 16 inches</li><li>Accompanied by original certificate of authenticity, original receipt and service papers</li></ul>

White Gold, Black Ceramic and Diamond Love Disc Pendant Necklace

Composed of oval cut <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">rubies</a>, accented by marquise, baguette, pear and round brilliant cut diamonds.<ul><li><a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">Rubies</a> weighing a total of approximately 10.50 carats</li><li>Diamonds weighing a total of approximately 22.00 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a> Paris with serial number</li><li>French hallmarks</li><li>18 karat yellow gold</li><li>Total weight </li><li>Interior circumference 15½ inches</li><li>Accompanied by a signed box </li></ul>

Gold, Ruby and Diamond Collar Necklace

Of a bombé design, composed of 6 rows of round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 75.00-80.00 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a>, with serial numbers</li><li>French assay marks</li><li>Platinum</li><li>18 karat white gold for the clasp</li><li>Total weight 215.54 grams</li><li>Length 17¾ inches, width ½ inch</li><li>Accompanied by a GCS London report, no.5784-1263, dated 02022024</li><li>Accompanied by a service paper from original manufacturer</li></ul>

Platinum, White Gold and Diamond Collar Necklace

Composed of oval and pear shaped <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphires</a>, accented by round brilliant cut diamonds.<ul><li>Sapphires weighing a total of approximately 14.80 carats</li><li>Diamonds weighing a total of approximately 15.70 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a> London</li><li>18 karat yellow gold</li><li>Total weight 38.25 grams</li><li>Length 16 inches, Pendant Brooch length 1¾ inches, width 1¼ inches</li><li>Accompanied by a signed pouch</li><li>Accompanied by GIA report no. 1178731796, dated 18 July 2014, stating that the 22 blue stones are Natural Sapphire with Inconclusive Origin</li><li>Accompanied by Lotus report no. 8664-8781, dated 25 October 2016, stating that 5 stones selected at random are Natural Sapphire, showing Heat and No Heat</li></ul>

Vintage Gold, Sapphire and Diamond Convertible Brooch Pendant Necklace

Composed of a two tone braided link design and centering round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 2.00 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a> with serial number</li><li>18 karat yellow and white gold</li><li>Circa 1992</li><li>Total weight 57.00 grams</li><li>Length 16 inches, width ⅓ inch</li><li>Accompanied by a signed folio and certificate of authenticity</li></ul>

Vintage Gold, White Gold and Diamond Collar Necklace

Featuring a circular pendant with the iconic panther motif and diamond tassels, set with 1 pear-shaped tsavorite as eye, round brilliant-cut diamonds and black enamel, suspended by a black silk cord.<ul><li>Diamonds weighing a total of approximately 2.70 carats</li><li>Signed Cartier, with serial numbers</li><li>Stamped 750</li><li>18 karat white gold</li><li>Total weight 18 grams</li><li>Pendant diameter 1½ inches, necklace length 22 inches</li></ul>

White Gold, Tsavorite, Black Enamel and Diamond Panthère Necklace

Featuring a circular pendant with the iconic panther motif and diamond tassels, set with 1 pear-shaped tsavorite as eye, decorated with round brilliant-cut diamonds and black lacquer.<ul><li>Diamonds weighing a total of approximately 1.95 carats</li><li>Tsavorite weighing approximately 0.20 carat</li><li>Signed Cartier, with serial numbers</li><li>Stamped 750</li><li>18 karat yellow gold</li><li>Total weight 42.8 grams</li><li>Pendant diameter 1½ inches, necklace length 17 inches</li></ul>

Gold, Tsavorite, Lacquer and Diamond Panthère Necklace

Of iconic Love design, accented by round diamonds and black ceramic motifs.<ul><li>Diamonds weighing a total of approximately 5.00 carats</li><li>Signed Cartier</li><li>18 karat white gold</li><li>Total weight 23 grams</li><li>Chain length 16 inches</li></ul>

Of Cartier Hypnose collection, oval design set with 252 brilliant-cut diamonds and accented with black enamel.<ul><li>Diamonds weighing a total of approximately 7.50 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a>, with serial number</li><li>French maker mark</li><li>750</li><li>18 karat white gold</li><li>Total weight 72 grams</li><li>Pendant length 2 ⅔ inches, width 1 ⅓ inches, chain length 18 inches</li><li>Pendant is convertible as a brooch</li><li>Accompanied by one Sotheby's folio</li></ul>

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