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

Van Cleef & Arpels

Set with oval shaped cabochon cut turquoises, accented by round brilliant cut diamonds. The necklace can be converted into 2 bracelets. <ul><li>Turquoise weighing a total of approximately 50.00 carats</li><li>Diamonds weighing a total of approximately 25.00 carats</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 numbers</li><li>18 karat yellow gold</li><li>Circa 1965s</li><li>Total weight 74.36 grams</li><li>Necklace 16 13⁄16 inches</li><li>Accompanied by one Sotheby's folio</li></ul>

Vintage Gold, Turquoise and Diamond Convertible Necklace

Composed of a cushion shaped aquamarine, accented by round brilliant cut diamonds, suspended from a gold chain.<ul><li>Aquamarine weighing approximately 20.00 carats</li><li>Diamonds weighing a total of approximately 0.15 carat</li><li>18 karat yellow gold</li><li>Total weight 16.49 grams</li><li>Pendant length 1½ inches, width 11⁄16 inch; Chain length 21 inches</li><li>Accompanied by one Sotheby's box</li></ul>

Gold, 20.00ct Aquamarine and Diamond Pendant Necklace

Tiffany & Co.

Iconic Key Necklace composed of round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 0.40 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>Platinum</li><li>Total weight 6.75 grams</li><li>Pendant length 1½ inches, width 9⁄16 inch; chain length 30 inches</li><li>Accompanied by one Sotheby's box</li></ul>

Platinum and Diamond Key Pendant Necklace

Composed of feather motif links, set with round brilliant cut diamonds on front sections.<ul><li>Diamonds weighing a total of approximately 3.00 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 69.60 grams</li><li>Length 15 inches, width 11⁄16 inch to ⅜ inch</li><li>Accompanied by one Sotheby's folio</li></ul>

Vintage Gold and Diamond Feather Necklace

Featuring a radiant cut Fancy <a href="https://www.sothebys.com/en/buy/the-bridal-shop/engagement-rings/unique-solitaires/yellow-diamond" rel="noopener noreferrer" target="_blank">Yellow diamond</a>, surrounded by overlapping bar motifs set with round brilliant and baguette cut near colorless diamonds.<ul><li>Fancy <a href="https://www.sothebys.com/en/buy/the-bridal-shop/engagement-rings/unique-solitaires/yellow-diamond" rel="noopener noreferrer" target="_blank">Yellow diamond</a> weighing 3.00 carats</li><li>Near colorless diamonds weighing a total of 1.55 carats</li><li>18 karat white gold and plated yellow gold</li><li>Total weight 5.15 grams</li><li>Pendant diameter ¾ inch</li><li>Accompanied by one Sotheby's box</li><li>Accompanied by GIA report no. 6481987458, dated 24 April 2024, stating that the 3.00 carat diamond is natural Fancy Yellow color and VS2 clarity with no fluorescence</li></ul>

White Gold, 3.00ct Radiant Cut Fancy Yellow Diamond and Diamond Pendant Necklace

Composed of a heart cut Fancy <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">Yellow Diamond,</a> accented by near colorless round brilliant cut diamonds.<ul><li>Fancy <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">Yellow diamond </a>weighing 10.14 carats</li><li>Additional diamonds weighing a total of approximately 0.85 carat</li><li>Platinum and 18 karat yellow gold</li><li>Stamped with carat weight</li><li>Total weight 15.28 grams</li><li>Length adjustable 18 inches</li><li>Accompanied by GIA report no. 6234338840, dated 8 July 2024, stating that the 10.14 carat diamond is Fancy Yellow color and SI2 clarity with No Fluorescence</li><li>Accompanied by one Sotheby's box</li></ul>

Platinum, Gold, 10.14ct Heart Cut Fancy Yellow Diamond and Diamond Pendant Necklace

Composed of emerald cut diamonds interspaced by baguette cut diamonds and accented by round brilliant cut diamonds.<ul><li>Emerald cut diamonds weighing a total of 12.08 carats</li><li>Round and baguette cut diamonds weighing a total of 11.90 carats</li><li>Platinum</li><li>Stamped with carat weights</li><li>Total weight 79.84 grams</li><li>Length 15 inches, width ¾ inch</li><li>Accompanied by 7 GIA reports stating E-G color and VS1-VS2 clarity</li><li>Accompanied by one Sotheby's folio</li></ul>

Platinum and 23.98ctw Diamond Collar Necklace

Composed of pear cut diamond drops, accented by round brilliant and baguette cut diamonds, completed by a clasp with a marquise cut diamond.<ul><li>Pear diamonds weighing a total of 22.23 carats, ranging from 2.04 carats to 0.70 carat</li><li>Baguette diamonds weighing a total of approximately 9.95 carats</li><li>Round brilliant cut diamonds weighing a total of approximately 5.85 carats</li><li>Marquise diamond weighing 0.61 carat</li><li>Platinum</li><li>Total weight 119.31 grams</li><li>Length 15½ inches, width 1⅛ inches</li><li>Accompanied by 24 GIA reports</li><li>Accompanied by one Sotheby's folio</li></ul>

Platinum and 39.00ctw Fancy Cut Diamond Collar Necklace

Composed of oval shaped <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphires</a> and accented by round brilliant cut diamonds.<ul><li>Sapphires weighing a total of 46.26 carats, averaging 0.50 carat each</li><li>Diamonds weighing a total of 6.73 carat</li><li>18 karat white gold</li><li>Stamped with stone weights</li><li>Total weight 66.29 grams</li><li>Interior circumference 15½ inches, width ½ inch</li><li>Accompanied by one Sotheby's folio</li></ul>

White Gold, 46.26ctw Sapphire and Diamond Collar Necklace

Centering a pear cut diamond, with alternating marquise cut and baguette cut diamonds.<ul><li>Pear cut diamond weighing approximately 0.75 carat</li><li>Marquise cut diamonds weighing a total of approximately 25.30 carats, ranging in size from 0.50 carat to 0.25 carat</li><li>Baguette cut diamonds weighing a total of approximately 12.60 carats, on average 0.19 carat each</li><li>Platinum</li><li>Total weight 55.32 grams</li><li>Interior circumference 15¾ inches, width 5⁄16 inch</li><li>Accompanied by one Sotheby's folio</li></ul>

Platinum and 38.65ctw Fancy Cut Diamond Collar Necklace

Composed of a pear cut diamond set in a platinum pendant, suspended from a white gold chain.<ul><li>Diamond weighing 3.04 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 number</li><li>Platinum and 18 karat white gold</li><li>Total weight 3.68 grams</li><li>Pendant length ⅝ inch, width 5⁄16 inch; chain length 18 inches</li><li>Accompanied by GIA report no. 1122696607, dated 19 October 2010, stating that the 3.04 carat diamond is D color and VVS1 clarity with No Fluorescence</li><li>Accompanied by one Sotheby's box</li><li>This item is final sale and not eligible for return</li><li>Note: The platinum pendant is signed VCA; the 18k chain is a later addition and is not by Van Cleef &amp; Arpels.</li></ul>

Vintage Platinum, White Gold and 3.04ct Pear Shape Diamond Pendant Necklace

Of classic Open Heart collection from Elsa Peretti, featuring a sculptural heart motif, pavé set with round brilliant cut diamonds.<ul><li>Diamonds weighing a total of 0.90 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>, Elsa peretti</li><li>Platinum</li><li>Total weight 10.00 grams</li><li>Necklace length 16 inches, pendant length ⅞ inch</li><li>Accompanied by one Sotheby's pouch</li></ul>

Platinum and Diamond Open Heart Pendant Necklace

Centering a cushion cut Burmese Spinel, accented by round brilliant cut diamonds and suspended from a chain.<ul><li>Burmese spinel weighing 1.78 carats</li><li>Diamonds weighing a total of approximately 0.25 carat</li><li>18 karat white gold</li><li>Total weight 3.61 grams</li><li>Pendant diameter ⅜ inch; Chain length 17½ - 20 inches</li><li>Accompanied by GIA report no. 6234406244, dated 1 October 2024, stating that the 1.78 carat Spinel is Burma (Myanmar) origin and shows No Indications of Heating</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 1.78ct Burmese Spinel and Diamond Pendant Necklace

The iconic <a href="https://www.sothebys.com/en/buy/luxury/jewelry/tiffany-&amp;-co" rel="noopener noreferrer" target="_blank">Tiffany</a> Victoria Necklace, of alternating graduated design, composed of marquise cut diamonds arranged as stylized flowers and interspaced by round brilliant cut diamonds.<ul><li>Marquise cut diamonds weighing a total of approximately 7.20 carats</li><li>Round brilliant cut diamonds weighing a total of approximately 5.50 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></li><li>Platinum</li><li>Circa 2022</li><li>Total weight 36.17 grams</li><li>Length 16¼ inches, wdith ¼ inch</li><li>Accompanied by a signed box and copies of <a href="https://www.sothebys.com/en/buy/luxury/jewelry/tiffany-&amp;-co" rel="noopener noreferrer" target="_blank">Tiffany &amp; Co. </a>Retail Replacement Paperwork</li><li>This item is final sale and not eligible for return</li></ul>

Platinum and Diamond Tiffany Victoria Necklace

Piaget

Of the iconic Possession Collection, composed of flexible interlocking white gold links and completed by a clasp accented with round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 0.20 carat</li><li>Signed Piaget with serial number</li><li>18 karat white gold</li><li>Circa 2000s</li><li>Total weight 46.10 grams</li><li>Adjustable length 15 - 20 inches, width ¼ inch</li><li>Accompanied by one Sotheby's folio</li></ul>

White Gold and Diamond Possession Lariat Necklace

Of convertible design for wear as two bracelets or one collar necklace, composed of flexible gold links with a high polish finish, accented by round brilliant cut diamonds and round shaped sapphires.<ul><li>Diamonds weighing a total of approximately 1.50 carats</li><li>Sapphires weighing a total of approximately 3.50 carats</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>Circa 1948</li><li>Total weight 120.50 grams</li><li>Length as a necklace 14½ inches, width 9⁄16 inch</li><li>Length as bracelets 7¼ inches, width 9⁄16 inch</li><li>Accompanied by a certificate of authenticity from <a href="https://www.sothebys.com/en/buy/luxury/jewelry/van-cleef-&amp;-arpels" rel="noopener noreferrer" target="_blank">Van Cleef &amp; Arpels</a></li><li>Accompanied by one Sotheby's folio</li></ul>

Vintage Gold, Diamond and Sapphire Convertible Necklace

Bvlgari

Of classic Serpenti Seduttori collection, featuring a snake head motif, set with round brilliant cut diamonds and 2 pear shaped rubellite tourmalines.<ul><li>Diamonds weighing a total of approximately 2.07 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/bvlgari" rel="noopener noreferrer" target="_blank">BVLGARI</a>, with serial numbers</li><li>Italian registry marks and Swiss hallmarks</li><li>18 karat rose gold</li><li>Total weight 20.80 grams</li><li>Pendant length 1½ inches, adjustable chain length 16⅛ to 17½ inches</li><li>Accompanied by one Sotheby's box</li></ul>

Rose Gold, Rubellite Tourmaline and Diamond Serpenti Seduttori Pendant Necklace

Composed of round brilliant cut diamonds set in refined claw bezels.<ul><li>Diamonds weighing a total of approximately 18.25 carats</li><li>18 karat yellow gold</li><li>Total weight 28.80 grams</li><li>Length 16 inches</li><li>Accompanied by one Sotheby's folio</li></ul>

Gold and 18.25ctw Round Brilliant Cut Diamond Necklace

Designed as the iconic quatrefoil motif, set throughout with round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 0.25 carat</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 white gold</li><li>Circa 1998</li><li>Total weight 17.70 grams</li><li>Pendant diameter 1½ inches, chain adjustable length 16 inches to 18 inches</li><li>Accompanied by one Sotheby's pouch</li></ul>

White Gold and Diamond  Alhambra Pendant Necklace

Of Socrate collection, designed as a flower, set with diamonds.<ul><li>Diamonds weighing a total of approximately 0.30 carat </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 number</li><li>18 karat white gold</li><li>Total weight 3.40 grams</li><li>Adjustable length 14¾ - 16½ inches</li><li>Accompanied by one Sotheby's pouch</li></ul>

White Gold and Diamond Socrate Flower Pendant Necklace

Composed of a cushion cut <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">yellow diamond</a>, accented by round brilliant cut white diamonds.<ul><li><a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">Yellow diamond</a> weighing approximately 0.40 carat</li><li>Additional white diamonds weighing a total of approximately 0.80 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> with serial number</li><li>Platinum and 18 karat yellow gold</li><li>Total weight 10.20 grams</li><li>Chain length 18 inches; Pendant length 2 inches, width 11⁄16 inch</li><li>Accompanied by a signed folio and outer box</li></ul>

Platinum, Gold, Yellow Diamond and Diamond Key Pendant Necklace

Of the iconic Atlas collection, composed of round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 2.75 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> Italy</li><li>18 karat yellow gold</li><li>Total weight 23.77 grams</li><li>Chain length 36 inches; Pendant diameter 1¾ inches</li><li>Accompanied by a signed folio and outer box</li></ul>

Gold and Diamond Large Atlas Disc Pendant Necklace

Cartier

The openwork pendant designed as the head of a panther pavé-set with brilliant-cut diamonds of yellow, brown tints and near-colourless diamonds, to a black chord with diamond-set ring and terminals.<ul><li>Diamonds estimated to weigh a total of approximately 14.00 carats</li><li>18 karat yellow gold</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/cartier" rel="noopener noreferrer" target="_blank">Cartier</a></li><li>Numbered</li><li>Maker's marks for Jacques Cartier and Brun</li><li>UK hallmark and French assay mark</li><li>&nbsp;Longest length approximately 39 inches, adjustable</li><li>Dimensions approximately 3 x 2⅘ inches</li><li>Gross weight approximately 50.41 grams</li><li>Accompanied by a certificate of authenticity from Cartier</li><li>Accompanied by case and pouch stamped Cartier</li><li>Please note that the diamonds of yellow and brown tints have not been tested for natural colour origin.</li></ul>

Gold, Coloured Diamond and Diamond 'Panthère' Pendent 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>18 karat white gold</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>Necklace length approximately 14½ inches</li><li>Pendant dimensions approximately 1⅒ x ⅒ inches</li><li>Gross weight approximately 18.16 grams</li></ul>

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

The iconic <a href="https://www.sothebys.com/en/buy/luxury/jewelry/tiffany-&amp;-co" rel="noopener noreferrer" target="_blank">Tiffany</a> Titan necklace designed in collaboration with Pharrell Williams, composed of titanium links with a black finish, centering three yellow gold links accented by round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 0.48 carat</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> Pharrell, Italy with serial number</li><li>18 karat yellow gold and titanium</li><li>Stamped with diamond weight</li><li>Total weight 96.31 grams</li><li>Length 16¾ inches, width ⅝ inch</li><li>Accompanied by one Sotheby's folio</li></ul>

Gold, Titanium and Diamond Tiffany Titan by Pharrell Williams Necklace

Centering a drop shaped amethyst together with a gold drop with a high polish finish, accented by peridot rondelle beads and enhanced by a single round brilliant cut diamond.<ul><li>Amethyst measuring 20.00 x 14.00 mm</li><li>Peridot measuring 7.50 x 3.00 mm</li><li>Diamond weighing approximately 0.05 carat</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/bvlgari" rel="noopener noreferrer" target="_blank">Bvlgari</a></li><li>18 karat yellow gold</li><li>Total weight 34.12 grams</li><li>Length 15 - 18 inches; Drop length 2 inches, width 1 inch</li><li>Accompanied by one Sotheby's folio</li></ul>

Gold, Amethyst, Peridot and Diamond Lariat Necklace

Composed of round shaped aquamarine, accented by round brilliant cut diamonds.<ul><li>Aquamarine weighing a total of approximately 5.50 carats</li><li>Diamonds weighing a total of approximately 1.10 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>Platinum</li><li>Total weight 17.83 grams</li><li>Chain length 16½ inches; Pendant length 2⅜ inches, width 1⅝ inches</li><li>Accompanied by a signed folio</li></ul>

Platinum, Aquamarine and Diamond Pendant Necklace

Chaumet

<ul><li>Composé de deux rangs de perles de culture en chute, le fermoir orné d'une perle de culture dans un double entourage de diamants taille ancienne</li><li>Longueur 650 mm environ</li><li>Signé CHAUMET PARIS</li><li>Poinçons français pour le platine (950°/00) et l'or 18K (750°/00)</li><li>Poids brut 130.41 g</li></ul> <ul><li>Composed of two rows of graduated cultured pearls, the clasp set with a cultured pearl within a double surrounding of circular-cut diamonds</li><li>Length approximately 650mm</li><li>Signed CHAUMET PARIS</li><li>French assay marks for platinum and 18 carat gold</li><li>Gross weight 130.41 grams</li></ul>

Collier de perles de culture | Cultured pearl necklace

SELDA jewellery

<ul><li>Composé de motifs géométriques en or deux tons, orné de citrines de tailles variées, l’élément central rehaussé de diamants et de diamants bruns taille brillant</li><li>Circonférence intérieure 430 mm environ</li><li>Accompagné d’un certificat SELDA JWLR no. 3002082390 indiquant l’origine naturelle des diamants couleur G et pureté VS à SI, pour un poids total de 1.56 carat, précisant un poids total de 0.45 carat pour les diamants bruns, et une monture en or 14K (585°/00)</li><li>Poids brut 54.28 g</li></ul> Veuillez noter qu'un délai sera nécessaire pour tout acheteur faisant partie de l'UE afin de faire apposer le poinçon de titrage par les autorités douanières françaises. <ul><li>Composed of geometrical motifs in two tone gold, highlighted with mixed cut citrines, the center enhanced with brilliant-cut diamonds and brown diamonds</li><li>Inner circumference approximately 430 mm</li><li>Gross weight 54.28 grams</li><li>Accompanied by SELDA JWLR certificate no. 3002082390, indicating the natural origin for the diamonds G coilour and VS to SI clarity for a total weight of 1.56 carat, stating the weight of 0.45 carat for the brown diamonds and a 14 carat gold mounting</li><li>Gross weight 54.28 grams</li></ul> Please note that for any UE buyer a delay will be needed after purchase for the assay marking required by the French customs.

Collier citrine et diamants, "Gaia" | Citrine and diamond necklace, 'Gaia'

Set with 2 rows of mix shaped fancy cut near colorless diamonds and&nbsp;<a href="https://www.sothebys.com/en/buy/the-bridal-shop/engagement-rings/unique-solitaires/yellow-diamond" rel="noopener noreferrer" target="_blank">yellow diamonds</a>.<ul><li><a href="https://www.sothebys.com/en/buy/the-bridal-shop/engagement-rings/unique-solitaires/yellow-diamond" rel="noopener noreferrer" target="_blank">Yellow diamonds</a>&nbsp;weighing a total of approximately 24.35 carats</li><li>Near colorless diamonds weighing a total of approximately 17.45 carats</li><li>Laser inscribed gemstone carat total weight</li><li>18 karat white gold and yellow gold</li><li>Total weight 57.71 grams</li><li>Length 16 15⁄16 inches</li><li>Accompanied by one Sotheby's pouch</li></ul>

White Gold, Gold, Yellow Diamond and Diamond Two Row Necklace

Mikimoto

Composed of 117 cutured pearls on a knotted strand, completed by a white gold clasp set with round brilliant cut diamonds.<ul><li>Cultured pearls measuring 8.00 - 9.00 mm</li><li>Diamonds weighing a total of approximately 2.00 carats</li><li>Maker's mark for Mikimoto</li><li>18 karat white gold</li><li>Total weight 97.00 grams</li><li>Length 48 inches</li><li>Accompanied by a signed folio</li></ul>

White Gold, Cultured Pearl and Diamond 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

Designed as a series of oval tanzanites spaced by snowflake motifs highlighted with brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 3.50-4.50 carats</li><li>Signed&nbsp;<a href="https://www.sothebys.com/en/buy/luxury/jewelry/tiffany-&amp;-co" rel="noopener noreferrer" target="_blank">Tiffany &amp; Co.</a></li><li>Platinum</li><li>Total weight 64.00 grams</li><li>Length approximately 415mm</li><li>Pouch stamped Tiffany &amp; Co.</li></ul>

Platinum, Tanzanite and Diamond "Snowflake" Necklace 

Designed as a leaf, pavé-set with brilliant-cut diamonds.<ul><li>Diamonds weighing a total of approximately 2.00 carats</li><li>Signed&nbsp;<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>French assay and maker's marks</li><li>18 karat white gold</li><li>Total weight 11.57 grams</li><li>Pendant length approximately ¾ inches, width approximately ⅐ inches</li><li>Necklace length approximately 14⅔ and 16⅓ inches</li><li>Accompanied by a signed case and box</li></ul>

White Gold and Diamond Pendent Necklace

Of orchid design, set with a pear shaped Fancy <a href="https://www.sothebys.com/en/buy/the-bridal-shop/engagement-rings/unique-solitaires/yellow-diamond" rel="noopener noreferrer" target="_blank">Yellow diamond</a>, decorated with rose, brilliant cut diamonds and diamonds of yellow tint.<ul><li>Near colorless diamonds weighing 5.79 carats</li><li><a href="https://www.sothebys.com/en/buy/the-bridal-shop/engagement-rings/unique-solitaires/yellow-diamond" rel="noopener noreferrer" target="_blank">Yellow diamonds</a> weighing 1.01 carats</li><li>Signed Laetitia</li><li>Laser engraved diamond carat weight</li><li>18 karat white gold&nbsp;</li><li>Total weight 33.00 grams</li><li>Inner circumference 15 15⁄16 inches</li><li>Accompanied by one Sotheby's folio</li><li>Accompanied by GIA report no. 1388878189, dated 1 July 2021, stating that the 1.01 carat diamond is natural Fancy Yellow Colour and SI1 Clarity with Medium Blue fluorescence</li></ul>

White Gold, 1.01ct Pear Shape Fancy Yellow Diamond, Yellow Diamond and Diamond Orchid Necklace

Graff

Featuring a pendant medallion composed of round shaped <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphires</a> beneath an openwork of round brilliant cut diamonds set in scrolling spiral motifs, suspended from a chain which is bezel set at intervals with additional round brilliant cut diamonds.<ul><li><a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">Sapphires</a> weighing a total of approximately 4.00 carats</li><li>Diamonds weighing a total of approximately 5.00 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/graff" rel="noopener noreferrer" target="_blank">Graff</a> with serial number</li><li>18 karat white gold</li><li>Total weight 18.00 grams</li><li>Length 17 inches, Pendant length 1⅞ inches</li><li>Accompanied by a signed folio</li></ul>

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Graff