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

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

Pavé-set with brilliant-cut diamonds&nbsp;and polished&nbsp;black onyx, to an adjustable&nbsp;black silk cord with drop-shaped onyx terminals.<ul><li>Diamonds weighing a total of approximately 2.85 carats</li><li>Signed Cartier, with serial numbers</li><li>French assay marks, 750</li><li>18 karat white gold</li><li>Necklace length 28 inches; pendant length 2 inch, width ¾ inch</li></ul>

White Gold, Onyx and Diamond Panthère Pendant 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 

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

Of the Maillon Panthère Collection, composed of round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 1.40 carats</li><li>Signed Cartier with serial number</li><li>18 karat yellow gold</li><li>Total weight 78.36 grams</li><li>Length 16½ inches, width ⅜ inch</li><li>Accompanied by a signed folio</li></ul>

Gold and Diamond Maillon Panthère Collar Necklace 

Featuring a stylized floral design composed of hematite, blue and yellow sapphire, oval-shaped rubies and carved chrysoprase leaves, accented by round brilliant-cut diamonds, suspended on several knotted strands of malachite beads.<ul><li>Diamonds weighing a total of approximately 0.25 carat</li><li>Yellow sapphires weighing a total of approximately 1.60 carats</li><li>Rubies weighing a total of approximately 0.95 carat</li><li>Malachite beads measuring 5.00 mm</li><li>Signed Cartier 1990 with serial number</li><li>French hallmarks and maker's mark</li><li>18 karat yellow gold</li><li>Circa 1990</li><li>Altered design, having a pinstem on reverse but not removable from the necklace</li><li>Total weight 130.85 grams</li><li>Length 31 inches, width 1 inch</li></ul>

Vintage Gold, Malachite and Multigem Necklace

Of the iconic Panthère collection, designed with an onyx and diamond collar and tsavorite garnet eyes. <ul><li>Signed Cartier, numbered</li><li>French hallmarks</li><li>18 karat yellow gold, marked 750</li><li>Original black cord with gold sliding clasp</li></ul>

Vintage Gold, Onyx, Diamond and Tsavorite Garnet Panthère Tassel Pendant Necklace

Set with round brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 17.50 carats</li><li>Signed Cartier, with serial numbers</li><li>Stamped 750</li><li>18 karat yellow gold</li><li>Total weight 26.59 grams</li><li>Length 15¾ inches</li></ul>

Gold and 17.50ct Diamond Tennis Necklace

Composed of round brilliant-cut diamonds stationed on a chain.<ul><li>Diamonds weighing a total of approximately 0.35 carat</li><li>Signed Cartier with serial number</li><li>18 karat rose gold</li><li>Length 34½ inches</li></ul>

Rose Gold and Diamond d'Amour Necklace

Of the Agrafe collection, composed of round brilliant-cut diamonds set in the central clasp.<ul><li>Diamonds weighing a total of approximately 1.10 carats</li><li>Signed Cartier with serial number</li><li>French hallmark with maker's mark</li><li>18 karat yellow gold</li><li>Total weight 64.36 grams</li><li>Length 16 inches, width ⅝ inch</li><li>Accompanied by a signed box</li><li>This item is final sale and not eligible for return</li></ul>

Gold and Diamond Agrafe Necklace

Of a convertible design with three detachable clip brooches, set with round brilliant-cut diamonds and baguette-cut diamonds.<ul><li>Diamonds weighing a total of approximately 32.00 carats</li><li>Signed Cartier Paris, with serial numbers</li><li>French assay mark</li><li>18 karat yellow gold</li><li>Circa 1950s</li><li>Total weight 86.4 grams</li><li>Necklace length 14½ inches</li></ul>

Vintage Gold and Diamond Convertible 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

Composed of cultured pearls on a knotted strand and completed by a diamond clasp.<ul><li>Cultured pearls measuring 10.00–14.50mm</li><li>Diamonds weighing a total of approximately 1.70 carats</li><li>Signed Cartier</li><li>18 karat white gold</li><li>Total weight 86.71 grams</li><li>Length 18 inches, width 9⁄16 inch</li><li>Accompanied by a signed box</li></ul>

White Gold, Cultured Pearl and Diamond 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>

White Gold, Black Ceramic and Diamond Love Disc Pendant Necklace

The chain set with onyx and ruby beads, suspending a pendant designed as an open frame set with round diamonds, further suspending silk cords set with ruby and onyx beads.<ul><li>Signed Cartier and numbered</li><li>Length 17 ¼ inches</li><li>18 karat white gold</li><li>French assay marks for 18k white gold</li></ul>

 White Gold, Diamond, Ruby and Onyx Le Baiser Du Dragon Necklace

Of an iconic Panthère motif, set with a pear-shaped emerald eye, onyx and round diamonds, suspended by a black silk cord.<ul><li>Signed Cartier</li><li>18 karat white gold</li><li>Circa 2000</li></ul>

White Gold, Emerald, Onyx and Diamond Panthère Pendant Necklace

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 Cartier, 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></ul>

White Gold and Diamond Hypnose Necklace

The suite composed of a necklace and earrings, the necklace of drop design and the earrings featuring diamonds and black mother of pearl.<ul><li>Diamonds weighing a total of approximately 2.45 carats</li><li>Signed Cartier</li><li>Ceramic and 18 karat white gold</li><li>Circa 2000s</li><li>Gross weight approximately 24.82 dwts</li><li>Chain length 17 inches, pendant length 3 inches</li></ul>

Ceramic, White Gold, Diamond and Black Mother of Pearl Suite

The pendant featuring an abstract panther motif pavé set with white, brown and yellow diamonds.<ul><li>Diamonds weighing a total of approximately 16.00 carats</li><li>Signed Cartier</li><li>18 karat yellow gold</li><li>Circa 2006</li><li>Gross weight approximately 62.82 dwts</li><li>Pendant length 3 inches, chain length 23 inches</li></ul>

Gold, Fancy Colored Diamond and Diamond Panthère Necklace

The pendant designed as a rose quartz and rose gold drop suspended by a series of pearls and diamonds, the chain itself set with 2 bezel set diamonds.<ul><li>Diamonds weighing a total of approximately 0.25 carat</li><li>Quartz weighing approximately 17.70 carats</li><li>Signed Cartier</li><li>18 karat rose gold</li><li>Circa 2000s</li><li>Gross weight approximately 8.04 dwts</li><li>Necklace length 16 inches, pendant length 3 inches</li></ul>

Rose Gold, Rose Quartz, Pearl and Diamond Monica Bellucci Necklace

The pendant designed as a circle pavé set with diamonds, featuring 3 Cartier Love nailhead motifs set with onyx.<ul><li>Diamonds weighing a total of approximately 5.20 carats</li><li>Signed Cartier</li><li>Ceramic</li><li>Circa 2000s</li><li>Gross weight approximately 14.79 dwts </li><li>Chain length 16 inches, pendant length 1 ⅖ inches</li></ul>

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