Noble & Private Collections Including Jewels from the Collection of Stanley J. Seeger & Christopher Cone

Dial: lapis lazuli with diamond-set hour markers

Dial: lapis lazuli with diamond-set hour markers Calibre: cal. 16-250, 18 jewels Movement number: 1'276'246 Case: 18k yellow gold, lapis lazuli and diamond-set Case Number: 2'765'380 Closure: integrated 18k yellow gold, lapis lazuli and diamond-set bracelet Size: 31 x 27mm, bracelet circumference approximately 175mm Signed: case, dial, movement and clasp Box: yes Papers: yes Accessories: Patek Philippe Certificate of Origin, product literature, presentation case and outer packaging

View 1 of Lot 241: Reference 4399 | A yellow gold, diamond, and lapis lazuli bracelet wristwatch | Circa 1982

reference 4399 | a yellow gold, diamond, and lapis lazuli bracelet wristwatch | circa 1982

<a href="https://www.sothebys.com/en/buy/luxury/watches/watch/cartier" rel="noopener noreferrer" target="_blank">Cartier</a>’s “Secret” watches of the 1960s are among the maison’s most intriguing creations, blending high jewelry artistry with discreet timekeeping. These pieces were designed so that the dial remained hidden, revealed only when desired, and often took the form of a jewel encrusted bracelet or decorative ornament.

Cartier. A yellow gold and diamond-set manual wind bracelet watch with concealed dial. Circa 1960

Composed of 29 square radiant cut Fancy Light <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">Yellow diamonds</a> set on a <a href="https://www.sothebys.com/en/buy/luxury/jewelry/diamond-jewelry" rel="noopener noreferrer" target="_blank">tennis bracelet</a>.<ul><li><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 33.05 carats, on average 1.14 carat each</li><li>18 karat yellow gold</li><li>Total weight 24.21 grams</li><li>Length 6½ inches</li><li>Accompanied by 29 GIA reports</li><li>Accompanied by one Sotheby's pouch</li></ul>

Gold and 33.05ctw Radiant Cut Fancy Light Yellow Diamond Tennis Bracelet

With the current trend of modestly sized bracelet watches containing elegant hardstone dials, the present manually wound vintage Piaget really hits the nail on the head.

Piaget Protocole (Reference 4154B12). A yellow gold and diamond-set mechanical bracelet watch with lapis lazuli dial. Circa 1980

Set with 21 marquise cut, pear and emerald cut near colorless diamonds and 7 oval cut <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> weighing a total of approximately 1.40 carats</li><li>Marquise cut diamonds weighing a total of approximately 0.65 carat</li><li>Pear cut diamonds weighing a total of approximately 0.65 carat</li><li>Emerald cut diamonds weighing a total of approximately 0.65 carat</li><li>18 karat white gold and yellow gold</li><li>Total weight 6.54 grams</li><li>Length 7 inches</li><li>Accompanied by one Sotheby's pouch</li></ul>

White Gold, Gold, Fancy Cut Diamond and Yellow Diamond Bracelet

Composed of 30 radiant cut <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">yellow diamonds</a> set on a <a href="https://www.sothebys.com/en/buy/luxury/jewelry/diamond-jewelry" rel="noopener noreferrer" target="_blank">tennis bracelet</a>.<ul><li><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 43.35 carats, on average 1.45 carats each</li><li>18 karat yellow gold</li><li>Total weight 25.05 grams</li><li>Length 7 inches, width 5⁄16 inch</li><li>Accompanied by one Sotheby's pouch</li></ul>

Gold and 43.35ctw Radiant Cut Yellow Diamond Tennis Bracelet

Featuring 16 oval cut&nbsp;<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>s surrounded by 224 round brilliant cut yellow diamonds, alternating with 16 round brilliant cut near colorless diamonds.<ul><li>Oval cut yellow diamonds weighing a total of approximately 6.30 carats</li><li>Round brilliant cut yellow diamonds weighing a total of approximately 1.15 carats</li><li>Near colorless diamonds weighing a total of approximately 0.70 carat</li><li>18 karat yellow gold</li><li>Total weight 17.17 grams</li><li>Length 6¾ inches</li></ul>

Gold, 6.30ctw Oval Cut Yellow Diamond and Diamond Bracelet

Of <a href="about:blank" rel="noopener noreferrer" target="_blank">tennis</a> bracelet, set with 33 radiant cut <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>Yellow diamonds weighing a total of approximately 21.30 carats, averaging 0.65 carat</li><li>18 karat yellow gold</li><li>Total weight 35.00 grams</li><li>Length 7 inches</li></ul>

Gold and 21.33ctw Radiant Cut Yellow Diamond Tennis Bracelet

The Piaget Reference 8601 is a refined vintage quartz watch that perfectly embodies Piaget’s philosophy of merging fine jewelry with Swiss watchmaking.

(Reference 8601). A yellow gold and diamond-set quartz bracelet watch. Circa 1980

Set with 28 multi shaped <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>s and 56 oval cut colorless diamonds.<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> weighing a total of approximately 6.80 carats</li><li>Colorless diamonds weighing a total of approximately 5.40 carats</li><li>18 karat white gold</li><li>Total weight 21.17 grams</li><li>Length 11⁄16 inch</li><li>Accompanied by one Sotheby's pouch</li></ul>

White Gold, Fancy Cut Yellow Diamond and Diamond Bracelet 

Composed of 42 asscher-cut yellow diamonds.<ul><li>Yellow diamonds weighing a total of approximately 20.80 carats, on average 0.50 carat each</li><li>18 karat yellow gold</li><li>Total weight 15.36 grams</li><li>Length 7 inches</li></ul>

Gold and 20.80ctw Yellow Diamond Tennis Bracelet

Set with 21 mixed fancy cut <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>Yellow diamonds weighing a total of 13.60 carats, averaging 0.65 carat each</li><li>18 karat yellow gold</li><li>Stamped gemstone carat total weight&nbsp;</li><li>Total weight 12.84 grams</li><li>Length 6 ⅞ inches</li></ul>

Gold and 13.60ctw Fancy Cut Yellow Diamond Tennis Bracelet

Composed of 36 radiant cut <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">yellow diamonds</a>.<ul><li><a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">Yellow diamonds</a> weighing a total of approxiamtely 18.40 carats, on average 0.50 carat each</li><li>18 karat yellow gold</li><li>Total weight 23.73 grams</li><li>Length 7 inches, width ¼ inch</li><li>Accompanied by one Sotheby's pouch</li></ul>

Gold and 18.40ctw Radiant Cut Yellow Diamond Tennis Bracelet

Featuring 21 mixed-shaped yellow diamonds, rub-over set, linked together to a concealed clap with safety catch.<ul><li>Diamonds weighing a total of approximately 13.25 carat</li><li>18 karat yellow gold</li><li>Total weight 13.12 grams</li><li>Length 17.5 cm</li></ul>

Gold, 13.25ct Yellow Diamond Bracelet

Featuring 13 oval cut <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>s surrounded by 182 round brilliant cut yellow diamonds, alternating with 13 round brilliant cut near colorless diamonds.<ul><li>Oval cut yellow diamonds weighing a total of approximately 5.20 carats</li><li>Round brilliant cut yellow diamonds weighing a total of approximately 0.95 carat</li><li>Near colorless diamonds weighing a total of approximately 0.65 carat</li><li>18 karat yellow gold</li><li>Total weight 15.87 grams</li><li>Length 7 inches</li></ul>

Gold, 5.20ctw Oval Cut Yellow Diamond and Diamond Bracelet

Composed of 35 radiant cut <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">yellow diamonds</a>.<ul><li><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 25.35 carats, on average 0.70 carat each</li><li>18 karat yellow gold</li><li>Total weight 29.00 grams</li><li>Length 7 inches, width ¼ inch</li><li>Accompanied by one Sotheby's pouch</li></ul>

Gold and 25.35ctw Radiant Cut Yellow Diamond Tennis Bracelet

Composed of 50 cushion-cut yellow diamonds.<ul><li>Diamonds weighing a total of approximately 14.37 carats </li><li>18 karat yellow gold</li><li>Length 7 inches</li></ul>

Gold and 14.37ct Cushion Cut Yellow Diamond Tennis Bracelet 

Set with 40 asscher-cut yellow color diamonds.<ul><li>Yellow diamonds weighing a total of approximately 20.75 carats</li><li>18 karat yellow gold</li><li>Total weight 18.49 grams</li><li>Length 7 inches</li></ul>

Gold and 20.75ct Asscher Cut Yellow Diamond Tennis Bracelet

Of <a href="https://www.sothebys.com/en/buy/luxury/jewelry/diamond-jewelry" rel="noopener noreferrer" target="_blank">tennis</a> bracelet design, set with 37 cushion cut <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>s and near colorless diamonds.<ul><li>Diamonds weighing a total of approximately 8.60 carats, on average 0.23 carat</li><li>18 karat white gold and yellow gold</li><li>Total weight 9.82 grams</li><li>Length 6 inches</li></ul>

White Gold, Gold, 8.60ctw Cushion Cut Yellow Diamond and Diamond Tennis Bracelet

Alternating set with cushion-cut yellow diamonds and near-colorless diamonds.<ul><li>Diamonds weighing a total of approximately 14.90 carats</li><li>Platinum and 18 karat yellow gold</li><li>Length 7 inches</li></ul>

Platinum, Gold, 14.90ct Yellow Diamond and Diamond Line Bracelet

Composed of 3 rows, set with round brilliant cut, pear cut and marquise cut near colorless diamonds, highlighted with 20 pear cut <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>Diamonds weighing a total of approximately 13.45 carats</li><li>18 karat white gold and yellow gold</li><li>Total weight 23.11 grams</li><li>Length 7 inches</li><li>Accompanied by one Sotheby's pouch</li></ul>

White Gold, Gold, Yellow Diamond and Diamond Three Row Bracelet

Composed of radiant cut <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">yellow diamonds</a> interspaced by emerald cut near colorless diamonds.<ul><li><a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">Yellow diamonds</a> weighing a total of approxiamately 4.05 carats, on average 0.17 carat each</li><li>Near colorless diamonds weighing a total of approximately 3.60 carats, on average 0.10 carat each</li><li>Platinum and 18 karat yellow gold</li><li>Total weight 15.80 grams</li><li>Length 7 inches, width ⅛ inch</li><li>Accompanied by one Sotheby's box</li></ul>

Platinum, Gold, 4.05ctw Radiant Cut Yellow Diamond and 3.60ctw Emerald Cut Diamond Tennis Bracelet

The <a href="https://www.sothebys.com/en/buy/luxury/watches/watch/cartier" rel="noopener noreferrer" target="_blank">Cartier</a> reference 96070 is most often associated with the Tortue, one of Cartier’s iconic case designs. Produced primarily in the 1980s, this model is typically rendered in yellow gold and distinguished by a pavé diamond bezel, blending Cartier’s heritage of refined watchmaking with its high‑jewelry artistry.

Tortue (Reference 96070). A 22.5mm yellow gold and diamond-set wristwatch. 1980

Composed of alternating oval cut <a href="https://www.sothebys.com/en/buy/luxury/jewelry/yellow-diamonds" rel="noopener noreferrer" target="_blank">yellow diamonds</a> and near colorless round brilliant cut diamonds.<ul><li><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 7.35 carats</li><li>Near colorless diamonds weighing a total of approximately 3.90 carats</li><li>Platinum and 18 karat yellow gold</li><li>Total weight 21.00 grams</li><li>Length 7 inches, width ¼ inch</li><li>Accompanied by one Sotheby's pouch</li></ul>

Platinum, Yellow Gold, 7.35ctw Yellow Diamond and 3.90ctw Diamond Tennis Bracelet

Set with mix shaped fancy cut near colorless diamonds, highlighted with <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> weighing a total of approximately 8.30 carats</li><li>Near colorless diamonds weighing a total of approximately 8.75 carats</li><li>18 karat white gold and yellow gold</li><li>Total weight 39.93 grams</li><li>Length 7 11⁄16 inches</li><li>Accompanied by one Sotheby's pouch</li></ul>

White Gold, Gold, 8.30ct Yellow Diamond and 8.75ct Diamond Bracelet

Fine Jewelry

Comprising a necklace and pair of earrings set with square-shaped diamonds of yellow hue.

Comprising a necklace and pair of earrings set with square-shaped diamonds of yellow hue. Bracelet length approximately 7 inches, earring length approximately 1⅜ inches18 karat goldPlease note that diamonds of yellow hue have not been tested for natural origin of color

View 1 of Lot 412: Colored Diamond Bracelet and Pair of Earrings 

colored diamond bracelet and pair of earrings

Important Watches

Dial: mother-of-pearl, diamond-set indexes

Dial: mother-of-pearl, diamond-set indexes Caliber: cal. 2235 automatic, 31 jewels Case: 18k yellow gold and diamond set, screw down case back Case number: A’657’344 Closure: 18k yellow gold and diamond-set Rolex Pearlmaster bracelet with folding clasp Size: 29 mm diameter, bracelet circumference approximately 165 mm Signed: case, dial, and movement Box: yes Papers: yes Accessories: Rolex presentation box with key outer packaging, Warranty (undated), polishing cloth, leather card holder, booklets, bezel protector, hangtags, and a signed letter from Johanna Bennett

View 1 of Lot 137: Reference 80308 Datejust Pearlmaster | A yellow gold and diamond-set automatic wristwatch with date, bracelet, and mother-of-pearl dial, From the Collection of Tony Bennett, Circa 1999

reference 80308 datejust pearlmaster | a yellow gold and diamond-set automatic wristwatch with date, bracelet, and mother-of-pearl dial, from the collection of tony bennett, circa 1999

Dial: white and diamond-set Caliber: cal. 4030 automatic, 31 jewels Case: 18k yellow gold, screw down case back Case number: X'434'656 Closure: 18k yellow gold Rolex Oyster bracelet and folding clasp Size: 40 mm diameter, bracelet circumference approximately 180 mm Signed: case, dial and movement Box: no Papers: no

View 1 of Lot 119: Reference 16528 'Inverted 6 Zenith' Daytona | A yellow gold and diamond-set chronograph wristwatch with bracelet, Circa 1992

reference 16528 'inverted 6 zenith' daytona | a yellow gold and diamond-set chronograph wristwatch with bracelet, circa 1992

Set with 20 round yellow diamonds and 40 baguette-shaped diamonds.<ul><li>Yellow diamonds weighing a total of approximately 4.80 carats, on average 0.24 carat each</li><li>Diamonds weighing a total of approximately 2.80 carats, on average 0.07 carat each</li><li>Platinum and 18 karat yellow gold</li><li>Length 7 inches</li></ul>

Platinum, Gold, 4.80ctw Yellow Diamond and 2.80ctw Diamond Tennis Bracelet 

Dial: pavé diamond-set with sapphire indices

Dial: pavé diamond-set with sapphire indices Caliber: cal. 3055 automatic, 27 jewels Movement number: 0'601'164 Case: 18k yellow gold and diamond-set, screw down case back Case number: 9'486'957 Closure: 18k yellow gold and diamond-set Rolex President 'Octopussy' bracelet with folding clasp Size: 36 mm diameter, bracelet circumference approximately 185 mm Signed: case, dial and movement Box: yes Papers: no Accessories: Rolex presentation box, service traveling case, service card, booklets and hangtag

View 1 of Lot 141: Reference 18048 Day-Date 'Octopussy' | A yellow gold, diamond, and sapphire-set automatic wristwatch with day, date, and bracelet, Circa 1987

reference 18048 day-date 'octopussy' | a yellow gold, diamond, and sapphire-set automatic wristwatch with day, date, and bracelet, circa 1987

Alternating set with 4 oval cut Fancy Vivid Yellow diamonds and 6 oval cut near colorless diamonds, accented by round brilliant cut yellow diamonds and near colorless diamonds.<ul><li>Oval cut Fancy Vivid Yellow diamonds weighing a total of 3.59 carats</li><li>Oval cut Diamonds weighing a total of 4.66 carats</li><li>Round brilliant cut yellow diamonds and near colorless diamonds weighing a total of approximately 1.15 carats</li><li>Platinum and 18 karat yellow gold</li><li>Total weight 15.60 grams</li><li>Length 7 inch</li><li>Accompanied by 10 GIA reports, stating that 4 oval cut diamonds are Fancy Vivid Yellow color and VVS1-SI2 clarity; 6 oval cut diamonds are D-F color and VVS1-VS2 clarity</li></ul>

Platinum, Gold, 3.59ctw Oval Cut Fancy Vivid Yellow Diamond, 4.66ctw Oval Cut Diamond and Diamond Station Bracelet

The Reference 3006 is a wonderful example of <a href="https://www.sothebys.com/en/buy/luxury/watches/watch/patek-philippe" rel="noopener noreferrer" target="_blank">Patek Philippe</a>’s artistry beyond traditional watchmaking. Conceived as a secret watch, it embodies the maison’s mid‑century flair for blending jewelry design with horological precision. Crafted in 18k yellow gold, the piece is essentially a jeweled bracelet, with a miniature timepiece hidden beneath an ornate, gem‑set lid.This design served both aesthetic and practical purposes: it allowed the wearer to discreetly check the time while presenting what appeared to be a luxurious bracelet. The craftsmanship required to integrate a functional watch into such a delicate jewelry setting speaks volumes about Patek Philippe’s mastery during that era.

Patek Philippe (Reference 3006). A yellow gold, diamond and turquoise-set manual wind bracelet watch. Circa 1958

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