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

Bvlgari

Of iconic Monete collection, featuring an ancient coin set in yellow gold bezel surrounded by 2 rows of diamonds, engraved "ARTEMIDE TETRADRAMMA 167-149 a.C.", connected by a curb link chain.<ul><li>Diamonds weighing a total of approximately 3.50 carats</li><li>Signed&nbsp;<a href="https://www.sothebys.com/en/buy/luxury/jewelry/bvlgari" rel="noopener noreferrer" target="_blank">BVLGARI</a></li><li>Italian registry marks and maker's mark</li><li>18 karat yellow gold</li><li>Total weight 170.27 grams</li><li>Length 16½ inches</li><li>Accompanied by one Sotheby's folio</li></ul>

Gold, Ancient Coin and  Diamond Monete 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 (375°/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

Van Cleef & Arpels

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>Pendant length approximately ¾ inches, width approximately ⅐ inches</li><li>Length approximately 14⅔ and 16⅓ inches</li><li>Gross weight approximately 11.57 grams</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>

White Gold, Sapphire and Diamond Medallion Pendant Necklace

Cartier

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

Composed of round brilliant cut diamonds set on a curb link chain with a high polish finish.<ul><li>Diamonds weighing a total of approximately 4.00 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/bvlgari" rel="noopener noreferrer" target="_blank">Bvlgari </a></li><li>Italian registry mark</li><li>18 karat yellow gold</li><li>Circa 1980s</li><li>Total weight 138.00 grams</li><li>Length 15¾ inches, width ⅜ inch</li><li>Accompanied by one Sotheby's folio</li></ul>

Vintage Gold and Diamond Curb Link Chain Necklace

Centering a cut cornered rectangular shaped ruby set in gold atop a black mother of pearl tablet with strong orient of green and rose hues, accented by a round brilliant cut diamond surround, enhanced by an oval shaped yellow sapphire, and suspended from an 'S curve' chain with a high polish finish.<ul><li>Ruby weighing approximately 1.76 carats</li><li>Diamonds weighing a total of approximately 1.02 carats</li><li>Yellow sapphire weighing approximately 2.00 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 number</li><li>French hallmarks and French maker's mark for André Vassort</li><li>Engraved with stone weights</li><li>18 karat yellow gold</li><li>Circa 1970s-1980s</li><li>Total weight 60.00 grams</li><li>Length 15¾ inches; Pendant length 1¼ inches, width 1 inch</li><li>Accompanied by a signed folio</li></ul>

Vintage Gold, Ruby, Yellow Sapphire and Mother of Pearl Necklace

Of the iconic Agrafe collection, composed of round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 3.35 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 62.97 grams</li><li>Length 20 inches, width ½ inch; Adjustable drop length </li><li>Accompanied by one Sotheby's folio</li></ul>

White Gold and Diamond Agrafe Lariat Necklace

Buccellati

Composed of round brilliant cut diamonds set in openwork links with hand engraved details.<ul><li>Diamonds weighing a total of approximately 2.60 carats</li><li>Signed <a href="https://www.sothebys.com/en/buy/luxury/jewelry/buccellati" rel="noopener noreferrer" target="_blank">M. Buccellati </a></li><li>Italian registry mark</li><li>18 karat yellow and white gold</li><li>Total weight 44.77 grams</li><li>Length 15¾ inches</li><li>Accompanied by one Sotheby's folio</li></ul>

Vintage Gold and Diamond Collar Necklace

Designed as mobile circles set with circular cut, pear shaped <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">rubies</a> and pink <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphires</a>, highlighted with pear shaped and brilliant cut diamonds, suspended from a pink cord.<ul><li>Diamonds weighing a total of approximately 0.80-1.30 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>French assay and maker's marks</li><li>18 karat white gold</li><li>Total weight 20.00 grams</li><li>Length 16⅓ inches; pendant length 2⅕ inches, width 1⅝ inches</li><li>Accompanied by one Sotheby's pouch</li></ul>

White Gold, Ruby, Pink Sapphire and Diamond 'Petillante' Pendant Necklace

Tiffany & Co.

Composed of cultured pearls, terminating in a convertible brooch pendant featuring a South Sea cultured pearl, accented by round brilliant cut diamonds, complete with matching earclips of convertible cultured pearl tassels and accented by round brilliant cut diamonds.<ul><li>Central South Sea cultured pearl measuring 15.30 mm</li><li>Additional cultured pearls measuring 3.20 - 7.00 mm</li><li>Diamonds weighing a total of approximately 17 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>18 karat yellow gold and platinum</li><li>Total weight 251.00 grams</li><li>Necklace length 19 inches, width 2 inches; Earclip length 2½ inches, width 1 inch</li><li>Accompanied by one Sotheby's folio and one Sotheby's box</li></ul>

Vintage Gold, Platinum, Cultured Pearl and Diamond Convertible Earclip and Necklace Set

Of the iconic Victoria collection Size Large, composed of four marquise cut diamonds arranged as a flower, suspended from a chain.<ul><li>Diamonds weighing a total of approximately 1.00 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>Circa 2001</li><li>Total weight 3.39 grams</li><li>Pendant diameter ⅜ inch; Chain length 16½ inches</li><li>Accompanied by a signed inner box, outer box, bag and <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 Large Victoria Pendant Necklace 

Of the iconic Le Baiser Du Dragon collection, composed of round brilliant cut diamonds, accented by ruby beads, and enhanced by black onyx beads.<ul><li>Diamonds weighing a total of approximately 1.80 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 maker's mark</li><li>18 karat white gold</li><li>Total weigt 40.64 grams</li><li>Drop length 2½ inches, width 1¼ inches; Necklace length 15½ inches, width 3⁄16 inch</li><li>Accompanied by a signed box</li></ul>

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

Composed of an oval shaped Ceylon <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a>, accented by round brilliant cut diamonds.<ul><li>Ceylon <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a> weighing 1.82 carats</li><li>Diamonds weighing a total of approximately 0.10 carat</li><li>18 karat white gold</li><li>Total weight 2.86 grams</li><li>Length 16½ inches, width ⅜ inch</li><li>Accompanied by GIA report no. 7523626280, dated 4 July 2025, stating that the 1.82 carat <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a> is Sri Lanka (Ceylon) origin and is Heated</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 1.82ct Ceylon Sapphire and Diamond Pendant Necklace

Composed of an oval shaped Ceylon violet <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a>, accented by round brilliant cut diamonds.<ul><li>Ceylon violet <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a> weighing 1.77 carats</li><li>Diamonds weighing a total of approximately 0.10 carat</li><li>18 karat white gold</li><li>Total weight 2.89 grams</li><li>Length 16½ inches, width ⅜ inch</li><li>Accompanied by GIA report no. 7521625873, dated 4 July 2025, stating that the 1.77 carat <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a> is Violet color, Sri Lanka (Ceylon) origin and shows No Indications of Heating</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 1.77ct Ceylon Violet Sapphire and Diamond Pendant Necklace

Composed of a cushion shaped Thai <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">ruby</a>, accented by round brilliant cut diamonds.<ul><li>Thai <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">ruby</a> weighing 1.06 carats</li><li>Diamonds weighing a total of approximately 0.10 carat</li><li>18 karat white gold</li><li>Total weight 4.44 grams</li><li>Length 16½ inches, width 5⁄16 inch</li><li>Accompanied by GIA report no. 5526625696, dated 4 July 2025, stating that the 1.06 carat <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">ruby</a> is Thailand origin and is Heated</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 1.06ct Thai Ruby and Diamond Pendant Necklace

Set with a pear shape Fancy Light <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 round brilliant cut near colorless diamonds.<ul><li>Fancy Light<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 3.16 carats</li><li>Near colorless diamonds weighing a total of approximately 0.25 carat</li><li>18 karat yellow gold and platinum</li><li>Total weight 4.70 grams</li><li>Length 16 inches</li><li>Accompanied by one Sotheby's box</li><li>Accompanied by GIA report no.7496067186, dated 29 April 2024, stating that the 3.16 carat diamond is natural Fancy Light Yellow diamond and Internally Flawless clarity with Medium Blue fluorescence</li></ul>

Gold, Platinum, 3.16ct Pear Shape Fancy Light Yellow Diamond and Diamond Necklace

Composed of an oval shaped Thai <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">ruby</a>, accented by round brilliant cut diamonds.<ul><li>Thai <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">ruby</a> weighing 1.16 carats</li><li>Diamonds weighing a total of approximately 0.10 carat</li><li>18 karat white gold</li><li>Total weight 2.46 grams</li><li>Length 16 inches, width ⅜ inch</li><li>Accompanied by GIA report no. 7521625756, dated 4 July 2025, stating that the 1.16 carat <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/ruby" rel="noopener noreferrer" target="_blank">ruby</a> is Thailand origin and is Heated</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 1.16ct Thai Ruby and Diamond Pendant Necklace

Centering an oval shaped pink-purple Madagascar <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a>, accented by round brilliant cut diamonds.<ul><li>Madagascar <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a> weighing 1.45 carats</li><li>Diamonds weighing a total of approximately 0.30 carat</li><li>18 karat white gold</li><li>Total weight 4.70 grams</li><li>Pendant length 7⁄16 inch, width ⅜ inch</li><li>Accompanied by GIA report no. 5523626100, dated 4 July 2025, stating that the 1.45 carat <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire </a>is Pink-Purple color, Madagascar origin, and is Heated</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 1.45ct Madagascar Pink-Purple Sapphire and Diamond Pendant Necklace

Composed of an oval shaped Ceylon <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a> and accented by round brilliant cut diamonds.<ul><li>Ceylon <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a> weighing 1.55 carats</li><li>Diamonds weighing a total of approximately 0.10 carat</li><li>18 karat white gold</li><li>Total weight 2.82 grams</li><li>Length 16½ inches, width 5⁄16 inch</li><li>Accompanied by GIA report no. 1523625920, dated 7 July 2025, stating that the 1.55 carat <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a> is Sri Lanka (Ceylon) origin and is Heated with Deep Blue color referred to in the trade as "Royal Blue"</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 1.55ct Ceylon Royal Blue Sapphire and Diamond Pendant Necklace

Centering an oval shaped aquamarine, accented by round brilliant cut diamonds.<ul><li>Aquamarine weighing approximately 7.10 carats</li><li>Diamonds weighing a total of approximately 0.80 carat</li><li>18 karat white gold</li><li>Total weight 6.34 grams</li><li>Pendant length ¾ inch, width ⅝ inch; Adjustable chain length 16-18 inches</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 7.10ct Aquamarine and Diamond Pendant Necklace

Composed of a pear shaped pink tourmaline, accented by pear and round brilliant cut diamonds.<ul><li>Tourmaline weighing approximately 8.50 carats</li><li>Diamonds weighing a total of approximately 1.10 carats</li><li>18 karat white gold</li><li>Total weight 7.34 grams</li><li>Pendant length 1¼ inches, width ⅝ inch; Adjustable chain length 16-18 inches</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold, 8.50ct Tourmaline and Diamond Pendant Necklace

Of a scallop design, composed of bezel set round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 5.00 carats</li><li>18 karat white gold</li><li>Total weight 30.33 grams</li><li>Inner circumference 16 inches</li><li>Accompanied by one Sotheby's folio</li></ul>

White Gold and 5.00ctw Round Brilliant Cut Diamond Scalloped Tennis Necklace

Centering with a Colombian <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/emerald" rel="noopener noreferrer" target="_blank">emerald</a>, completed with baguette cut diamonds and round brilliant cut diamonds halfway along the necklace.<ul><li>Colombian <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/emerald" rel="noopener noreferrer" target="_blank">Emerald</a> weighing 2.25 carats</li><li>Baguette cut diamonds weighing a total of approximately 8.95 carats</li><li>Round brilliant cut diamonds weighing a total of approximately 8.20 carats</li><li>18 karat white gold</li><li>Total weight 46.48 grams</li><li>Length 17 inches</li><li>Accompanied by one Sotheby's folio</li><li>Accompanied by CDC report no. 2201340, dated 11 January 2022, stating that the 2.25 carat natural emerald originates from Colombia, exhibiting vivid green color (typically found in emeralds from the "Muzo" mining district) with indications of minor clarity enhancement</li></ul>

White Gold, 2.25ct Colombian Emerald and Diamond Necklace

Of&nbsp;<a href="https://www.sothebys.com/en/buy/luxury/jewelry/diamond-jewelry" rel="noopener noreferrer" target="_blank">tennis</a>&nbsp;necklace style, set with 140 round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 11.70 carats, on average 0.08 carat each</li><li>18 karat white gold</li><li>Total weight 21.05 grams</li><li>Length 16½ inches</li><li>Accompanied by one Sotheby's pouch</li></ul>

White Gold and 11.70ctw Round Brilliant Cut Diamond Tennis Necklace

Composed of alternating emerald cut and round brilliant cut diamonds, highlighted at the front by a series of articulated spike-form drops set with princess cut diamonds. <ul><li>Emerald cut diamonds weighing a total of approximately 11.05 carats</li><li>Round brilliant cut diamonds weighing a total of approximately 4.80 carats</li><li>Princess cut diamonds weighing a total of approximately 4.35 carats</li><li>18 karat white gold</li><li>Total weight 30.61 grams</li><li>Length 17 inches</li><li>Accompanied by one Sotheby's folio</li></ul>

White Gold and Diamond Necklace

Of the 'Lotus' collection, designed as a lotus flower pavé set with round brilliant cut diamonds.<ul><li>Diamonds weighing a total of approximately 6.81 carats</li><li>18 karat white gold</li><li>Chain length 35 ²⁄₅ inches</li><li>Brooch 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 and maker's mark</li><li>French assay and maker’s marks</li><li>Total weight 36.0 grams</li><li>Accompanied by a copy of service paperwork from Van Cleef &amp; Arpels</li><li>This item is final sale and not eligible for return</li><li>Accompanied by one Sotheby's box</li></ul>

White Gold and Diamond Lotus Convertible Brooch Pendant Necklace

Composed of an oval shaped bluish green aquamarine, accented by round brilliant cut diamonds.<ul><li>Aquamarine weighing 4.83 carats</li><li>Diamonds weighing a total of approximately 0.20 carat</li><li>Platinum</li><li>Stamped with carat weight</li><li>Total weight 6.89 grams</li><li>Pendant length 9⁄16 inch, width 7⁄16 inch; Chain length 18½ inches</li><li>Accompanied by one Sotheby's box</li><li>Accompanied by AGL report no. 1145766, dated 11 February 2025, stating that the 4.83 carat Aquamarine is Bluish Green color and shows No Gemological Evidence of Heat</li></ul>

Platinum, 4.83ct Aquamarine and Diamond Pendant Necklace

FOPE

<ul><li>Comprenant un collier et un bracelet souples à maillons géométriques, réhaussés de diamants taille brillant</li><li>&nbsp;Longueurs environ 441 mm et 220 mm</li><li>Signés FOPE, gravés 750, ITALY</li><li>Poinçon français d'import pour l'or 18K (750°/00), poinçons italiens et poinçon de maître pour Fope.</li><li>Poids brut total 84.50 g</li></ul> <ul><li>Comprising a flexible necklace and bracelet of fancy-link design, enhanced with brilliant-cut diamonds</li><li>Lengths approximately 441mm and 220 mm</li><li>Signed FOPE, engraved 750, ITALY</li><li>French import mark for 18 carat gold, Italian marks and maker's mark for Fope</li><li>Combined gross weight 84.50 grams</li></ul>

Demi-parure or et diamants | Gold and diamond demi-parure

Composed of a cushion shaped madagascar <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a> on a detachable pendant, accented by pear and round brilliant cut diamonds.<ul><li>Madagascar<a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank"> sapphire</a> weighing 36.20 carats</li><li>Diamonds weighing a total of approximately 67.30 carats</li><li>Platinum</li><li>Total weight 92.32 grams</li><li>Length 16 inches, width 2 inches</li><li>Accompanied by C. Dunaigre report no 22011302, dated 27 January 2022, stating that the 36.20 carat <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a> is Madagascar origin and shows Indications of Heating</li><li>Accompanied by one Sotheby's folio</li></ul>

Platinum, 36.20ct Madagascar Sapphire and Diamond Convertible Collar Necklace

Composed of a pear shaped Paraiba-Type Tourmaline, accented by round brilliant cut diamonds, suspended from a chain.<ul><li>Paraiba-Type Tourmaline weighing 1.91 carats</li><li>Diamonds weighing a total of approximately 0.50 carat</li><li>18 karat white gold</li><li>Total weight 5.12 grams</li><li>Pendant lenth ¾ inch, width ½ inch; Chain length adjustable 18-16 inches</li><li>Accompanied by GRS report no. GRS2023-079690, dated 19 July 2023, stating that the 1.91 carat Tourmaline is Greenish-Blue "Paraiba" color, of Mozambique origin and is Heated</li><li>Accompanined by one Sotheby's box</li></ul>

White Gold, 1.91ct Paraiba-Type Tourmaline and Diamond Pendant Necklace

Centering a pear shaped rubellite tourmaline, accented by round brilliant cut diamonds, suspended from a white gold chain.<ul><li>Rubellite tourmaline weighing approximately 5.55 carats</li><li>Diamonds weighing a total of approximately 0.40 carat</li><li>18 karat white gold</li><li>Total weight 9.50 grams</li><li>Chain length 21 inches, Pendant length 1⅛ inches, width ½ inch</li><li>Accompanied by one Sotheby's box</li></ul>

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