London Jewels

$2.10m in total, buyer’s premium included

73 of 118 lots sold

The sale on bonhams.com ↗︎

Top lots per carat 12 lots · the highest prices per carat of the sale

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$71,041per carat Lot 118 Sapphire and diamond ring, circa 1920 3.52 ct · Kashmir · No heat ×0.9 high estimate Estimate USD 200k – 266k USD 250,064$71,041 per carat $24,903per carat Lot 104 Diamond ring 4.76 ct ×1.5 high estimate Estimate USD 53k – 80k USD 118,539$24,903 per carat $10,871per carat Lot 49 Fancy coloured diamond ring 6.31 ct · Fancy Yellow · VVS1 ×1.5 high estimate Estimate USD 33k – 47k USD 68,593$10,871 per carat $10,349per carat Lot 102 Diamond single-stone ring 5.18 ct ×1.4 high estimate Estimate USD 29k – 37k USD 53,609$10,349 per carat $6,713per carat Lot 84 Diamond single-stone ring 8.73 ct ×1.3 high estimate Estimate USD 33k – 47k USD 58,604$6,713 per carat $4,647per carat Lot 103 Sapphire and diamond necklace 6.52 ct ×0.8 high estimate Estimate USD 27k – 40k USD 30,301$4,647 per carat $4,199per carat Lot 69 Emerald and diamond ring 1.82 ct ×1.0 high estimate Estimate USD 5k – 8k USD 7,642$4,199 per carat $4,132per carat Lot 14 Diamond single-stone ring 4.11 ct ×1.3 high estimate Estimate USD 11k – 13k USD 16,982$4,132 per carat $3,769per carat Lot 85 Diamond flower brooch 4.28 ct ×0.8 high estimate Estimate USD 13k – 20k USD 16,133$3,769 per carat $3,234per carat Lot 53 Spinel and diamond ring 6.28 ct · Burma · No heat ×0.8 high estimate Estimate USD 20k – 27k USD 20,311$3,234 per carat $2,385per carat Lot 60 Emerald and diamond shell brooch, circa 1940 1.78 ct ×0.6 high estimate Estimate USD 4k – 7k USD 4,245$2,385 per carat $2,244per carat Lot 116 Spinel and diamond ring 26.12 ct · Tajikistan · No indications of treatment ×1.0 high estimate Estimate USD 47k – 60k USD 58,604$2,244 per carat

Sapphires 13 lots

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AllKashmir 1Burma 1Ceylon 3Origin not reported 7Laboratories disagree 1

$71,041per carat Lot 118 Sapphire and diamond ring, circa 1920 3.52 ct · Kashmir · No heat ×0.9 high estimate Estimate USD 200k – 266k USD 250,064$71,041 per carat Lot 38 Pink sapphire and diamond ring 5.23 ct · Burma · No heat Estimate USD 11k – 13k Not sold Lot 99 Pair of mid 20th century sapphire and diamond pendent earrings 12.33 ct · Ceylon · No heat Estimate USD 53k – 80k Not sold Lot 100 Sapphire and diamond cluster ring 7.54 ct · Ceylon · No heat Estimate USD 47k – 53k Not sold Lot 97 Sapphire ring, first quarter of the 20th century 26.00 ct · Ceylon · No heat Estimate USD 33k – 47k Not sold $4,647per carat Lot 103 Sapphire and diamond necklace 6.52 ct ×0.8 high estimate Estimate USD 27k – 40k USD 30,301$4,647 per carat $1,037per carat Lot 19 Sapphire and diamond ring 16.38 ct ×0.8 high estimate Estimate USD 13k – 20k USD 16,982$1,037 per carat $58,604price paid Lot 113 Colour-change sapphire and diamond pendant necklace/brooch, circa 1900 ×1.5 high estimate Estimate USD 27k – 40k USD 58,604 $28,636price paid Lot 98 Mid 20th century sapphire ring ×1.1 high estimate Estimate USD 20k – 27k USD 28,636 Lot 68 Colour change sapphire and diamond dress ring, circa 1930 26.32 ct Estimate USD 32k – 40k Not sold Lot 36 A sapphire and diamond ring, circa 1950 19.33 ct Estimate USD 20k – 27k Not sold Lot 101 Sapphire, emerald and diamond ring Estimate USD 20k – 27k Not sold Lot 72 Aldao: sapphire and diamond ring 14.38 ct · Ceylon (GRS) / Madagascar (Gübelin) · Heated Estimate USD 33k – 40k Not sold

Rubies 2 lots

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AllBurma 1Origin not reported 1

Lot 76 Ruby and diamond cluster ring 4.34 ct · Burma · No heat Estimate USD 47k – 53k Not sold Lot 71 A ruby and diamond ring 4.84 ct Estimate USD 11k – 16k Not sold

Emeralds 6 lots

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AllColombia 2Origin not reported 4

Lot 82 Emerald and diamond pendant 7.57 ct · Colombia · Minor oil Estimate USD 33k – 47k Not sold Lot 42 Emerald and diamond ring 11.14 ct · Colombia · Minor oil Estimate USD 20k – 27k Not sold $4,199per carat Lot 69 Emerald and diamond ring 1.82 ct ×1.0 high estimate Estimate USD 5k – 8k USD 7,642$4,199 per carat $2,385per carat Lot 60 Emerald and diamond shell brooch, circa 1940 1.78 ct ×0.6 high estimate Estimate USD 4k – 7k USD 4,245$2,385 per carat Lot 44 Emerald and diamond ring 12.41 ct Estimate USD 27k – 40k Not sold Lot 67 Emerald single-stone ring Estimate USD 13k – 20k Not sold

Coloured diamonds 1 lot

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$10,871per carat Lot 49 Fancy coloured diamond ring 6.31 ct · Fancy Yellow · VVS1 ×1.5 high estimate Estimate USD 33k – 47k USD 68,593$10,871 per carat

Pearls and cultured pearls 16 lots

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AllNatural pearls 5Cultured pearls 5Pearls, type not stated 6

$25,306price paid Lot 77 Natural pearl necklace with synthetic ruby and diamond clasp ×1.6 high estimate Estimate USD 11k – 16k USD 25,306 $11,038price paid Lot 3 Belle Époque natural pearl and diamond necklace, circa 1905 ×1.4 high estimate Estimate USD 5k – 8k USD 11,038 Lot 110 Natural pearl and diamond brooch and earclip suite (2) Estimate USD 80k – 107k Not sold Lot 62 Brooking: art moderne natural pearl and diamond brooch, Estimate USD 15k – 20k Not sold Lot 89 Conch pearl, natural pearl and diamond pendent earrings Estimate USD 16k – 20k Not sold $20,311price paid Lot 39 Grima: baroque cultured pearl, sapphire and diamond necklace, 1991 ×0.8 high estimate Estimate USD 20k – 27k USD 20,311 $13,585price paid Lot 61 Triple row cultured pearl necklace with Art Deco diamond brooch/clasp, circa 1935 ×0.8 high estimate Estimate USD 11k – 16k USD 13,585 $7,132price paid Lot 43 Cultured pearl necklace with diamond clasp ×0.9 high estimate Estimate USD 5k – 8k USD 7,132 $6,793price paid Lot 41 Grima: cultured pearl and diamond dress ring, 1991 ×0.7 high estimate Estimate USD 7k – 9k USD 6,793 Lot 88 Attributed to marsh & co: cultured pearl and diamond earclips, mid 20th century Estimate USD 1k – 2k Not sold $125,199price paid Lot 109 Pearl and diamond earrings ×3.1 high estimate Estimate USD 27k – 40k USD 125,199 $38,625price paid Lot 107 Pearl necklace with a diamond clasp ×1.9 high estimate Estimate USD 13k – 20k USD 38,625 $3,736price paid Lot 6 Banded agate, pearl and enamel pendant, circa 1860 ×0.9 high estimate Estimate USD 3k – 4k USD 3,736 Lot 94 Van cleef and arpels: mother-of-pearl, lacquer and diamond limited edition 'Tsurukame' butterfly brooch Estimate USD 17k – 20k Not sold Lot 95 Van cleef and arpels: mother-of-pearl, lacquer and diamond limited edition 'Shinobu' butterfly brooch Estimate USD 17k – 20k Not sold Lot 96 Van cleef and arpels: mother-of-pearl, lacquer and diamond limited edition 'Ume' butterfly brooch Estimate USD 17k – 20k Not sold

Signed jewels 41 lots

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AllAldao 1Boodles 1Brooking 1Bruno Martinazzi 1Cartier 8Chaumet 1Chopard 1Grima 7Gump'S 1Hermès 5Jean Després 1Kieselstein-Cord 1Lalaounis 1Omega 1Roy Lichtenstein 1Tiffany & Co. 1Van Cleef & Arpels 8

Lot 72 Aldao: sapphire and diamond ring 14.38 ct · Ceylon (GRS) / Madagascar (Gübelin) · Heated Estimate USD 33k – 40k Not sold $13,585price paid Lot 75 Boodles: colour-change sapphire ring, ×1.0 high estimate Estimate USD 11k – 13k USD 13,585 Lot 62 Brooking: art moderne natural pearl and diamond brooch, Estimate USD 15k – 20k Not sold $16,133price paid Lot 57 Bruno martinazzi: a limited edition gold 'Apple slice' ring, 1971 ×1.0 high estimate Estimate USD 11k – 16k USD 16,133 $50,279price paid Lot 65 Cartier: Art Deco coral and diamond clips, circa 1925 ×1.5 high estimate Estimate USD 20k – 33k USD 50,279 $8,151price paid Lot 80 Cartier: diamond-set 'Tank divan' wristwatch ×1.0 high estimate Estimate USD 5k – 8k USD 8,151 $6,793price paid Lot 24 Cartier: gold pill-box, 1963 ×2.5 high estimate Estimate USD 2k – 3k USD 6,793 $5,944price paid Lot 34 Cartier: 'Love' bangle, earring and ring suite (3) ×0.7 high estimate Estimate USD 5k – 8k USD 5,944 $5,434price paid Lot 33 Cartier: diamond-set wristwatch ×1.4 high estimate Estimate USD 3k – 4k USD 5,434 Lot 59 Cartier: pair of diamond clips, circa 1930 Estimate USD 20k – 27k Not sold Lot 27 Cartier: samorodok gold and sapphire-set cigarette case, 1964 Estimate USD 7k – 9k Not sold Lot 26 Cartier: gold, onyx and enamel pendant watch, circa 1925 Estimate USD 4k – 5k Not sold $6,453price paid Lot 81 Chaumet: diamond-set 'Night spirit' wristwatch ×0.8 high estimate Estimate USD 5k – 8k USD 6,453 $13,585price paid Lot 83 Chopard: diamond-set 'Happy spirit' necklace ×0.8 high estimate Estimate USD 11k – 16k USD 13,585 $20,311price paid Lot 39 Grima: baroque cultured pearl, sapphire and diamond necklace, 1991 ×0.8 high estimate Estimate USD 20k – 27k USD 20,311 $11,038price paid Lot 50 Grima: agate and diamond collar, 1976 ×1.0 high estimate Estimate USD 8k – 11k USD 11,038 $366per carat Lot 54 Grima: tourmaline and diamond collar, 1991 25.50 ct ×0.9 high estimate Estimate USD 8k – 11k USD 9,340$366 per carat $9,340price paid Lot 91 Grima: morganite and diamond collar, 2008 ×0.9 high estimate Estimate USD 8k – 11k USD 9,340 $8,151price paid Lot 51 Grima: chrome dioptase pendant and torque, 1981 ×0.9 high estimate Estimate USD 7k – 9k USD 8,151 $6,793price paid Lot 41 Grima: cultured pearl and diamond dress ring, 1991 ×0.7 high estimate Estimate USD 7k – 9k USD 6,793 $4,245price paid Lot 37 Grima: topaz and diamond ring ×0.6 high estimate Estimate USD 4k – 7k USD 4,245 Lot 32 Gump'S: coral bracelet, circa 1950 Estimate USD 5k – 8k Not sold $8,491price paid Lot 25 Hermès: fancy-link necklace, circa 1970 ×0.9 high estimate Estimate USD 7k – 9k USD 8,491 $2,547price paid Lot 29 Hermès: fancy-link braclet, circa 1980 ×1.0 high estimate Estimate USD 2k – 3k USD 2,547 Lot 28 Hermès: silver bracelet, mid 20th century Estimate USD 2k – 3k Not sold Lot 31 Hermès: silver bracelet, mid 20th century Estimate USD 2k – 3k Not sold Lot 30 Hermès: fancy-link bracelet, mid 20th century Estimate USD 2k – 2k Not sold Lot 23 Jean després: Art Deco silver bracelet, circa 1930 Estimate USD 11k – 16k Not sold $7,642price paid Lot 52 Kieselstein-cord: tourmaline bangle, 1988 ×2.9 high estimate Estimate USD 2k – 3k USD 7,642 Lot 46 Lalaounis: emerald and diamond necklace, circa 1980 Estimate USD 11k – 16k Not sold $5,095price paid Lot 73 Omega: ruby-set watch/bracelet, circa 1945 ×0.6 high estimate Estimate USD 5k – 8k USD 5,095 $6,793price paid Lot 21 Roy lichtenstein: enamel 'Modern head' brooch/pendant, 1968 ×0.8 high estimate Estimate USD 5k – 8k USD 6,793 $11,887price paid Lot 56 Angela cummings: opal and gem-set bangle, dated 1984 and pair of earclips, dated 1982 ×1.3 high estimate Estimate USD 7k – 9k USD 11,887 $41,955price paid Lot 58 Van Cleef & Arpels: Art Deco amethyst, jade, diamond and enamel nécessaire, circa 1925-30 ×5.3 high estimate Estimate USD 5k – 8k USD 41,955 $40,290price paid Lot 79 Van Cleef & Arpels: 'Mystery-set' sapphire and diamond bombé crossover ring ×2.5 high estimate Estimate USD 11k – 16k USD 40,290 $14,434price paid Lot 35 Van Cleef & Arpels: diamond-set 'Tuliors' necklace, circa 1985 ×1.8 high estimate Estimate USD 5k – 8k USD 14,434 $13,585price paid Lot 74 Van Cleef & Arpels: emerald and diamond brooch, circa 1975 ×1.3 high estimate Estimate USD 8k – 11k USD 13,585 Lot 93 Van cleef and arpels: wood, lacquer, diamond and mother-of-pearl limited edition 'Kikumakie' butterfly brooch Estimate USD 17k – 20k Not sold Lot 94 Van cleef and arpels: mother-of-pearl, lacquer and diamond limited edition 'Tsurukame' butterfly brooch Estimate USD 17k – 20k Not sold Lot 95 Van cleef and arpels: mother-of-pearl, lacquer and diamond limited edition 'Shinobu' butterfly brooch Estimate USD 17k – 20k Not sold Lot 96 Van cleef and arpels: mother-of-pearl, lacquer and diamond limited edition 'Ume' butterfly brooch Estimate USD 17k – 20k Not sold

Vintage 40 lots

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$275,037price paid Lot 119 Sapphire, diamond and natural pearl pendant, late 19th century ×2.4 high estimate Estimate USD 87k – 113k USD 275,037 $71,041per carat Lot 118 Sapphire and diamond ring, circa 1920 3.52 ct · Kashmir · No heat ×0.9 high estimate Estimate USD 200k – 266k USD 250,064$71,041 per carat $58,604price paid Lot 113 Colour-change sapphire and diamond pendant necklace/brooch, circa 1900 ×1.5 high estimate Estimate USD 27k – 40k USD 58,604 $50,279price paid Lot 65 Cartier: Art Deco coral and diamond clips, circa 1925 ×1.5 high estimate Estimate USD 20k – 33k USD 50,279 $48,614price paid Lot 112 Art Deco diamond pendant, circa 1935 ×1.8 high estimate Estimate USD 20k – 27k USD 48,614 $41,955price paid Lot 58 Van Cleef & Arpels: Art Deco amethyst, jade, diamond and enamel nécessaire, circa 1925-30 ×5.3 high estimate Estimate USD 5k – 8k USD 41,955 $28,636price paid Lot 98 Mid 20th century sapphire ring ×1.1 high estimate Estimate USD 20k – 27k USD 28,636 $26,971price paid Lot 16 Diamond pendant/necklace, 19th century ×1.0 high estimate Estimate USD 20k – 27k USD 26,971 $13,585price paid Lot 61 Triple row cultured pearl necklace with Art Deco diamond brooch/clasp, circa 1935 ×0.8 high estimate Estimate USD 11k – 16k USD 13,585 $13,585price paid Lot 17 Emerald, sapphire and diamond brooch, circa 1925 and later ×1.0 high estimate Estimate USD 11k – 13k USD 13,585 $13,585price paid Lot 106 Early 20th century diamond, emerald and enamel brooch ×2.5 high estimate Estimate USD 4k – 5k USD 13,585 $11,887price paid Lot 8 Gold, coral and gem-set bangle, mid 19th century ×0.9 high estimate Estimate USD 11k – 13k USD 11,887 $11,038price paid Lot 3 Belle Époque natural pearl and diamond necklace, circa 1905 ×1.4 high estimate Estimate USD 5k – 8k USD 11,038 $8,491price paid Lot 66 Diamond floral spray brooch, circa 1955 ×0.9 high estimate Estimate USD 7k – 9k USD 8,491 $6,793price paid Lot 78 Gold and sapphire bracelet, mid 20th century ×0.8 high estimate Estimate USD 5k – 8k USD 6,793 $6,453price paid Lot 18 Synthetic sapphire and diamond bow brooch, circa 1935 ×0.8 high estimate Estimate USD 5k – 8k USD 6,453 $5,434price paid Lot 2 Green paste rivière, brooch and cross pendant, 19th century (3) ×2.0 high estimate Estimate USD 2k – 3k USD 5,434 $5,095price paid Lot 73 Omega: ruby-set watch/bracelet, circa 1945 ×0.6 high estimate Estimate USD 5k – 8k USD 5,095 $4,245price paid Lot 45 Multi-gem-set strap bracelet, mid 20th century ×0.6 high estimate Estimate USD 4k – 7k USD 4,245 $2,385per carat Lot 60 Emerald and diamond shell brooch, circa 1940 1.78 ct ×0.6 high estimate Estimate USD 4k – 7k USD 4,245$2,385 per carat $3,396price paid Lot 7 Double-sided carnelian cameo, 18th-19th century ×0.8 high estimate Estimate USD 3k – 4k USD 3,396 Lot 99 Pair of mid 20th century sapphire and diamond pendent earrings 12.33 ct · Ceylon · No heat Estimate USD 53k – 80k Not sold Lot 114 Art Nouveau enamel and diamond plaque de cou, circa 1890, mounted as a bracelet, by g t marsh & co, circa 1930 Estimate USD 53k – 80k Not sold Lot 70 Art Deco diamond and emerald bracelet, circa 1935 Estimate USD 40k – 67k Not sold Lot 92 Art Deco diamond bracelet, circa 1930 Estimate USD 33k – 47k Not sold Lot 97 Sapphire ring, first quarter of the 20th century 26.00 ct · Ceylon · No heat Estimate USD 33k – 47k Not sold Lot 68 Colour change sapphire and diamond dress ring, circa 1930 26.32 ct Estimate USD 32k – 40k Not sold Lot 36 A sapphire and diamond ring, circa 1950 19.33 ct Estimate USD 20k – 27k Not sold Lot 59 Cartier: pair of diamond clips, circa 1930 Estimate USD 20k – 27k Not sold Lot 108 Attributed to Cartier: rock crystal, diamond, sapphire, pearl and enamel bracelet, circa 1910 Estimate USD 20k – 27k Not sold Lot 11 Ruby and diamond bracelet, first half of the 20th century Estimate USD 13k – 20k Not sold Lot 23 Jean després: Art Deco silver bracelet, circa 1930 Estimate USD 11k – 16k Not sold Lot 32 Gump'S: coral bracelet, circa 1950 Estimate USD 5k – 8k Not sold Lot 22 Art Deco lapis lazuli ring, circa 1935 Estimate USD 4k – 5k Not sold Lot 26 Cartier: gold, onyx and enamel pendant watch, circa 1925 Estimate USD 4k – 5k Not sold Lot 10 Sapphire and diamond lozenge brooch, late 19th century Estimate USD 2k – 3k Not sold Lot 28 Hermès: silver bracelet, mid 20th century Estimate USD 2k – 3k Not sold Lot 31 Hermès: silver bracelet, mid 20th century Estimate USD 2k – 3k Not sold Lot 30 Hermès: fancy-link bracelet, mid 20th century Estimate USD 2k – 2k Not sold Lot 88 Attributed to marsh & co: cultured pearl and diamond earclips, mid 20th century Estimate USD 1k – 2k Not sold

Other jewels 20 lots

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$2,210per carat Lot 117 Spinel and diamond pendant 28.78 ct · Tajikistan · No indications of treatment ×0.8 high estimate Estimate USD 53k – 80k USD 63,598$2,210 per carat $36,960price paid Lot 9 Diamond and enamel dragonfly brooch, circa 1890 ×2.2 high estimate Estimate USD 11k – 17k USD 36,960 $35,295price paid Lot 12 Five star diamond tiara, circa 1890 (6) ×1.5 high estimate Estimate USD 16k – 24k USD 35,295 $26,971price paid Lot 20 Sapphire and diamond bracelet Ceylon · No heat ×1.4 high estimate Estimate USD 13k – 20k USD 26,971 $23,641price paid Lot 15 Diamond bracelet, circa 1860 ×1.8 high estimate Estimate USD 11k – 13k USD 23,641 $21,976price paid Lot 13 Diamond cross pendant, circa 1880 ×2.1 high estimate Estimate USD 8k – 11k USD 21,976 $18,647price paid Lot 63 Pair of diamond earstuds M · VVS2 ×1.4 high estimate Estimate USD 9k – 13k USD 18,647 $16,982price paid Lot 86 Sapphire and diamond bracelet, circa 1965 ×0.8 high estimate Estimate USD 13k – 20k USD 16,982 $16,982price paid Lot 111 Diamond two-stone ring ×0.8 high estimate Estimate USD 13k – 20k USD 16,982 $12,736price paid Lot 5 Rock crystal and ruby necklace ×1.6 high estimate Estimate USD 5k – 8k USD 12,736 $10,189price paid Lot 47 Peridot and diamond pendant ×1.0 high estimate Estimate USD 8k – 11k USD 10,189 $8,151price paid Lot 1 Diamond five-stone ring ×1.5 high estimate Estimate USD 4k – 5k USD 8,151 $7,132price paid Lot 48 Peridot and diamond ring ×1.1 high estimate Estimate USD 4k – 7k USD 7,132 Lot 115 Diamond necklace Estimate USD 67k – 80k Not sold Lot 105 Diamond bracelet Estimate USD 51k – 60k Not sold Lot 87 Ruby and diamond strap bracelet Estimate USD 27k – 40k Not sold Lot 4 Spinel ring 3.39 ct · Burma · No heat Estimate USD 13k – 20k Not sold Lot 64 Diamond single-stone ring 3.02 ct Estimate USD 11k – 16k Not sold Lot 40 Multi gem-set turtle brooch/pendant Estimate USD 5k – 8k Not sold Lot 55 Opal ring, circa 1965 Estimate USD 5k – 8k Not sold

Prices are the prices paid, buyer’s premium included, as Bonhams publishes them; prices per carat and comparisons with the estimates use them too (Bonhams estimates do not include the premium). Prices in USD at the ECB rate of 2 December 2021. Photographs © Bonhams 2021.

Stones seen before

4 lots of this sale have been offered at auction before: the same stone, found by its laboratory report and weight. Resales

Lot 38

Pink sapphire and diamond ring

5.23 ct · Burma · Gübelin 20100024

1. Dec 2025Bonhams London · lot 77est. $13,386–20,079Unsold

Lot 76

Ruby and diamond cluster ring

4.34 ct · Burma · Gübelin 18100344

1. May 2025Phillips Geneva · lot 257est. $35,562–47,416$33,120

Lot 97

Sapphire ring, first quarter of the 20th century

26.00 ct · Ceylon · SSEF 116931

1. Jun 2022Bonhams London · lot 388est. $18,125–30,208Unsold
2. Sept 2022Bonhams London · lot 77est. $17,015–28,358Unsold

Lot 100

Sapphire and diamond cluster ring

7.54 ct · Ceylon · SSEF 106796

1. May 2025Phillips Geneva · lot 340est. $61,641–94,832Unsold