Magnificent Jewels including The Bleu Royal

$77.6m in total, buyer’s premium included

80 of 86 lots sold

The sale on christies.com ↗︎

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

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$2,490,318per carat Lot 87 Bleu royal exceptional coloured diamond and diamond ring 17.61 ct · Fancy Vivid Blue Estimate on request USD 43,854,501$2,490,318 per carat $587,707per carat Lot 78 Important coloured diamond and diamond ring 8.77 ct · Fancy Intense Pink · VVS1 ×0.9 high estimate Estimate USD 4.66m – 5.77m USD 5,154,194$587,707 per carat $122,772per carat Lot 61 Coloured diamond and diamond ring 3.19 ct · Fancy Deep Green · SI1 ×1.5 high estimate Estimate USD 144k – 255k USD 391,643$122,772 per carat $118,925per carat Lot 52 Important ruby and diamond ring, attributed to Harry Winston 21.88 ct · Burma · No heat ×3.6 high estimate Estimate USD 500k – 722k USD 2,602,074$118,925 per carat $91,887per carat Lot 72 Impressive Cartier mid-20th century diamond tiara-necklace 6.85 ct ×0.9 high estimate Estimate USD 500k – 722k USD 629,427$91,887 per carat $89,543per carat Lot 30 Sapphire and diamond ring 9.06 ct · Kashmir · No heat ×2.4 high estimate Estimate USD 222k – 333k USD 811,261$89,543 per carat $82,122per carat Lot 9 Coloured diamond ring 5.28 ct · VVS2 ×1.6 high estimate Estimate USD 167k – 278k USD 433,605$82,122 per carat $60,387per carat Lot 60 Bulgari coloured diamond and diamond ring 4.98 ct · VVS2 ×3.0 high estimate Estimate USD 67k – 100k USD 300,726$60,387 per carat $59,229per carat Lot 11 Cartier coloured diamond and diamond ring 3.07 ct · VS2 ×0.9 high estimate Estimate USD 122k – 200k USD 181,834$59,229 per carat $57,594per carat Lot 31 Diamond ring 30.02 ct · D colour · VVS1 ×0.7 high estimate Estimate USD 1.33m – 2.44m USD 1,728,981$57,594 per carat $57,188per carat Lot 10 Sapphire and diamond ring 5.87 ct · Kashmir · No heat ×1.7 high estimate Estimate USD 133k – 200k USD 335,694$57,188 per carat $54,651per carat Lot 39 Diamond ring 8.19 ct · E colour · VVS1 ×1.3 high estimate Estimate USD 200k – 333k USD 447,592$54,651 per carat

Sapphires 12 lots

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AllKashmir 3Burma 3Ceylon 6

$89,543per carat Lot 30 Sapphire and diamond ring 9.06 ct · Kashmir · No heat ×2.4 high estimate Estimate USD 222k – 333k USD 811,261$89,543 per carat $57,188per carat Lot 10 Sapphire and diamond ring 5.87 ct · Kashmir · No heat ×1.7 high estimate Estimate USD 133k – 200k USD 335,694$57,188 per carat $51,566per carat Lot 19 Sapphire ring 6.51 ct · Kashmir · No heat ×1.7 high estimate Estimate USD 155k – 200k USD 335,694$51,566 per carat $43,749per carat Lot 83 Graff sapphire and diamond ring 36.45 ct · Burma · No heat ×1.9 high estimate Estimate USD 611k – 833k USD 1,594,659$43,749 per carat $21,504per carat Lot 59 Sapphire and diamond ring 7.48 ct · Burma · No heat ×1.2 high estimate Estimate USD 89k – 133k USD 160,853$21,504 per carat $21,232per carat Lot 14 Sapphire and diamond ring 42.82 ct · Burma · No heat ×1.5 high estimate Estimate USD 422k – 611k USD 909,172$21,232 per carat $17,045per carat Lot 50 Sapphire and diamond ring 26.26 ct · Ceylon · No heat ×1.6 high estimate Estimate USD 167k – 278k USD 447,592$17,045 per carat $10,596per carat Lot 51 Sapphire and diamond necklace 66.00 ct · Ceylon · No heat ×1.3 high estimate Estimate USD 333k – 555k USD 699,363$10,596 per carat $5,779per carat Lot 45 Unmounted sapphire 58.09 ct · Ceylon · No heat ×0.8 high estimate Estimate USD 333k – 444k USD 335,694$5,779 per carat $4,914per carat Lot 36 Sapphire and diamond ring 34.16 ct · Ceylon ×1.3 high estimate Estimate USD 89k – 133k USD 167,847$4,914 per carat $4,306per carat Lot 38 Sapphire and diamond necklace 27.61 ct · Ceylon · No heat ×1.1 high estimate Estimate USD 78k – 111k USD 118,892$4,306 per carat Lot 76 Chatila sapphire and diamond necklace 96.39 ct · Ceylon · No heat Estimate USD 833k – 2.22m Not sold

Rubies 3 lots

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AllBurma 1Mozambique 1Origin not reported 1

$118,925per carat Lot 52 Important ruby and diamond ring, attributed to Harry Winston 21.88 ct · Burma · No heat ×3.6 high estimate Estimate USD 500k – 722k USD 2,602,074$118,925 per carat Lot 77 Ruby and diamond ring 9.01 ct · Mozambique · No heat Estimate USD 344k – 555k Not sold Lot 22 Exceptional Cartier Art Deco ruby, sapphire and diamond sautoir Estimate USD 888k – 1.33m Not sold

Emeralds 3 lots

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Colombia

$21,855per carat Lot 66 Van Cleef & Arpels emerald and diamond ring 12.16 ct · Colombia ×0.9 high estimate Estimate USD 200k – 311k USD 265,758$21,855 per carat $195,822price paid Lot 43 Emerald, ruby and diamond love birds clip-brooch 45.00 ct · Colombia · Minor oil ×0.7 high estimate Estimate USD 167k – 278k USD 195,822 $139,873price paid Lot 40 Emerald and diamond earrings Colombia ×1.3 high estimate Estimate USD 67k – 111k USD 139,873

Coloured diamonds 11 lots

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$2,490,318per carat Lot 87 Bleu royal exceptional coloured diamond and diamond ring 17.61 ct · Fancy Vivid Blue Estimate on request USD 43,854,501$2,490,318 per carat $587,707per carat Lot 78 Important coloured diamond and diamond ring 8.77 ct · Fancy Intense Pink · VVS1 ×0.9 high estimate Estimate USD 4.66m – 5.77m USD 5,154,194$587,707 per carat $122,772per carat Lot 61 Coloured diamond and diamond ring 3.19 ct · Fancy Deep Green · SI1 ×1.5 high estimate Estimate USD 144k – 255k USD 391,643$122,772 per carat $82,122per carat Lot 9 Coloured diamond ring 5.28 ct · VVS2 ×1.6 high estimate Estimate USD 167k – 278k USD 433,605$82,122 per carat $60,387per carat Lot 60 Bulgari coloured diamond and diamond ring 4.98 ct · VVS2 ×3.0 high estimate Estimate USD 67k – 100k USD 300,726$60,387 per carat $59,229per carat Lot 11 Cartier coloured diamond and diamond ring 3.07 ct · VS2 ×0.9 high estimate Estimate USD 122k – 200k USD 181,834$59,229 per carat $21,758per carat Lot 80 JAR coloured diamond and diamond ring 18.00 ct · Fancy Brown-Orange · I2 ×2.4 high estimate Estimate USD 111k – 167k USD 391,643$21,758 per carat $16,324per carat Lot 55 Coloured diamond and diamond ring 13.71 ct · Fancy Yellow · VVS2 ×1.7 high estimate Estimate USD 89k – 133k USD 223,796$16,324 per carat $16,214per carat Lot 34 Coloured diamond and diamond choker 12.94 ct · Fancy Light Yellowish Brown · VVS1 ×1.1 high estimate Estimate USD 111k – 200k USD 209,809$16,214 per carat $10,459per carat Lot 74 Coloured diamond ring 10.03 ct · Fancy Deep Brownish Yellow · VS2 ×0.6 high estimate Estimate USD 111k – 167k USD 104,904$10,459 per carat $4,019per carat Lot 57 Treated coloured diamond ring 45.24 ct · Fancy Vivid Yellow · VS2 ×0.3 high estimate Estimate USD 444k – 666k USD 181,834$4,019 per carat

Colourless diamonds 10 lots

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$57,594per carat Lot 31 Diamond ring 30.02 ct · D colour · VVS1 ×0.7 high estimate Estimate USD 1.33m – 2.44m USD 1,728,981$57,594 per carat $54,651per carat Lot 39 Diamond ring 8.19 ct · E colour · VVS1 ×1.3 high estimate Estimate USD 200k – 333k USD 447,592$54,651 per carat $46,072per carat Lot 71 Impressive diamond pendant 55.75 ct · F colour · VVS1 ×0.8 high estimate Estimate USD 2.22m – 3.33m USD 2,568,494$46,072 per carat $41,909per carat Lot 65 Diamond ring 8.01 ct · D colour · VVS2 ×1.0 high estimate Estimate USD 222k – 333k USD 335,694$41,909 per carat $39,290per carat Lot 15 Diamond ring 7.12 ct · D colour ×0.8 high estimate Estimate USD 244k – 355k USD 279,745$39,290 per carat $37,924per carat Lot 47 Diamond ring 12.54 ct · D colour · VVS2 ×0.6 high estimate Estimate USD 555k – 777k USD 475,567$37,924 per carat $23,750per carat Lot 18 Van Cleef & Arpels diamond ring 16.49 ct · H colour · SI1 ×0.7 high estimate Estimate USD 333k – 555k USD 391,643$23,750 per carat $21,300per carat Lot 79 JAR diamond ring 17.73 ct · F colour · SI2 ×1.0 high estimate Estimate USD 278k – 389k USD 377,656$21,300 per carat $16,331per carat Lot 44 Diamond ring 7.28 ct · F colour · SI1 ×0.9 high estimate Estimate USD 89k – 133k USD 118,892$16,331 per carat $10,167per carat Lot 67 Georg hornemann diamond necklace 13.07 ct · M colour · SI2 ×1.0 high estimate Estimate USD 89k – 133k USD 132,879$10,167 per carat

Pearls and cultured pearls 3 lots

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AllNatural pearls 2Cultured pearls 1

$769,299price paid Lot 81 Coloured natural pearl pendant ×2.3 high estimate Estimate USD 222k – 333k USD 769,299 $363,669price paid Lot 84 Mid-20th century natural pearl and diamond 'Palm-tree' clip-brooch mounted by Cartier ×1.2 high estimate Estimate USD 189k – 300k USD 363,669 $251,771price paid Lot 62 Natural, cultured pearl and diamond necklace ×0.9 high estimate Estimate USD 155k – 266k USD 251,771

Signed jewels 36 lots

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AllBulgari 1Cartier 17Graff 2Harry Winston 1JAR 2Marina B 2Michele della Valle 1Oscar Heyman 1Pierre Sterlé 1René Boivin 1Suzanne Belperron 1Van Cleef & Arpels 6

$60,387per carat Lot 60 Bulgari coloured diamond and diamond ring 4.98 ct · VVS2 ×3.0 high estimate Estimate USD 67k – 100k USD 300,726$60,387 per carat $769,299price paid Lot 73 Exquisite Cartier Art Deco emerald, onyx and diamond earrings ×1.3 high estimate Estimate USD 389k – 611k USD 769,299 $91,887per carat Lot 72 Impressive Cartier mid-20th century diamond tiara-necklace 6.85 ct ×0.9 high estimate Estimate USD 500k – 722k USD 629,427$91,887 per carat $587,465price paid Lot 28 Rare Cartier Art Deco rock crystal, onyx, enamel and diamond 'Model a' mystery clock ×0.9 high estimate Estimate USD 444k – 666k USD 587,465 $363,669price paid Lot 84 Mid-20th century natural pearl and diamond 'Palm-tree' clip-brooch mounted by Cartier ×1.2 high estimate Estimate USD 189k – 300k USD 363,669 $251,771price paid Lot 7 Cartier coral and multi-gem 'Panthère' clip-brooch ×1.5 high estimate Estimate USD 111k – 167k USD 251,771 $59,229per carat Lot 11 Cartier coloured diamond and diamond ring 3.07 ct · VS2 ×0.9 high estimate Estimate USD 122k – 200k USD 181,834$59,229 per carat $153,860price paid Lot 49 Cartier Art Deco diamond and onyx bracelet ×0.9 high estimate Estimate USD 111k – 167k USD 153,860 $153,860price paid Lot 35 Cartier limited edition diamond 'Crash' lady'S wristwatch ×1.2 high estimate Estimate USD 67k – 133k USD 153,860 $104,904price paid Lot 58 Cartier multi-gem sautoir ×0.9 high estimate Estimate USD 83k – 122k USD 104,904 $83,924price paid Lot 25 Cartier Art Deco multi-gem minute repeater 'Cube' table clock ×1.5 high estimate Estimate USD 33k – 56k USD 83,924 $83,924price paid Lot 27 Cartier Art Deco century enamel, rock crystal and diamond 'Borne' folding strut clock ×1.5 high estimate Estimate USD 33k – 56k USD 83,924 $76,930price paid Lot 24 Cartier Art Deco platinum 'Mystery' pocket watch ×2.3 high estimate Estimate USD 22k – 33k USD 76,930 $69,936price paid Lot 26 Cartier Art Deco nephrite, kingfisher feather, enamel and diamond 'Borne' strut clock ×1.3 high estimate Estimate USD 33k – 56k USD 69,936 $55,949price paid Lot 20 Cartier retro tri-coloured gold bangle ×0.8 high estimate Estimate USD 44k – 67k USD 55,949 $55,949price paid Lot 23 Cartier Art Deco diamond 'Temple' brooch ×0.8 high estimate Estimate USD 44k – 67k USD 55,949 Lot 22 Exceptional Cartier Art Deco ruby, sapphire and diamond sautoir Estimate USD 888k – 1.33m Not sold Lot 85 Cartier Art Deco diamond bracelet Estimate USD 167k – 278k Not sold $43,749per carat Lot 83 Graff sapphire and diamond ring 36.45 ct · Burma · No heat ×1.9 high estimate Estimate USD 611k – 833k USD 1,594,659$43,749 per carat $21,686per carat Lot 8 Graff diamond ring 5.16 ct · D colour · VS1 ×0.7 high estimate Estimate USD 111k – 167k USD 111,898$21,686 per carat $265,758price paid Lot 16 Harry Winston emerald and diamond brooch ×0.8 high estimate Estimate USD 222k – 333k USD 265,758 $21,758per carat Lot 80 JAR coloured diamond and diamond ring 18.00 ct · Fancy Brown-Orange · I2 ×2.4 high estimate Estimate USD 111k – 167k USD 391,643$21,758 per carat $21,300per carat Lot 79 JAR diamond ring 17.73 ct · F colour · SI2 ×1.0 high estimate Estimate USD 278k – 389k USD 377,656$21,300 per carat $209,809price paid Lot 4 Marina B diamond 'Scipion' choker ×0.6 high estimate Estimate USD 222k – 333k USD 209,809 $125,885price paid Lot 3 Marina B sapphire, emerald and diamond 'Antilope' choker ×1.6 high estimate Estimate USD 56k – 78k USD 125,885 $97,911price paid Lot 12 Michele della valle multi-gem necklace ×0.9 high estimate Estimate USD 72k – 105k USD 97,911 $391,643price paid Lot 86 Oscar Heyman & brothers Art Deco emerald, onyx and diamond bracelet ×1.4 high estimate Estimate USD 167k – 278k USD 391,643 $181,834price paid Lot 2 Sterlé amethyst, turquoise and diamond bird brooch ×3.3 high estimate Estimate USD 33k – 56k USD 181,834 $67,139price paid Lot 6 René boivin sapphire and diamond 'Raisins' brooch ×0.8 high estimate Estimate USD 56k – 89k USD 67,139 $97,911price paid Lot 5 Suzanne Belperron pair of Art Deco rock crystal and diamond 'éventail' clip-brooches ×1.1 high estimate Estimate USD 67k – 89k USD 97,911 $545,503price paid Lot 82 Important Van Cleef & Arpels ruby and diamond 'Mystery set' bracelet ×0.9 high estimate Estimate USD 466k – 577k USD 545,503 $23,750per carat Lot 18 Van Cleef & Arpels diamond ring 16.49 ct · H colour · SI1 ×0.7 high estimate Estimate USD 333k – 555k USD 391,643$23,750 per carat $21,855per carat Lot 66 Van Cleef & Arpels emerald and diamond ring 12.16 ct · Colombia ×0.9 high estimate Estimate USD 200k – 311k USD 265,758$21,855 per carat $265,758price paid Lot 29 Van Cleef & Arpels sapphire and diamond 'Mystery set' bracelet ×1.0 high estimate Estimate USD 167k – 278k USD 265,758 $153,860price paid Lot 46 Van Cleef & Arpels coloured diamond and diamond 'Paloma' necklace ×0.7 high estimate Estimate USD 167k – 222k USD 153,860 $12,767per carat Lot 69 Van Cleef & Arpels diamond ring 9.86 ct · VVS2 ×1.1 high estimate Estimate USD 78k – 111k USD 125,885$12,767 per carat

Vintage 19 lots

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$769,299price paid Lot 73 Exquisite Cartier Art Deco emerald, onyx and diamond earrings ×1.3 high estimate Estimate USD 389k – 611k USD 769,299 $91,887per carat Lot 72 Impressive Cartier mid-20th century diamond tiara-necklace 6.85 ct ×0.9 high estimate Estimate USD 500k – 722k USD 629,427$91,887 per carat $587,465price paid Lot 28 Rare Cartier Art Deco rock crystal, onyx, enamel and diamond 'Model a' mystery clock ×0.9 high estimate Estimate USD 444k – 666k USD 587,465 $391,643price paid Lot 86 Oscar Heyman & brothers Art Deco emerald, onyx and diamond bracelet ×1.4 high estimate Estimate USD 167k – 278k USD 391,643 $363,669price paid Lot 84 Mid-20th century natural pearl and diamond 'Palm-tree' clip-brooch mounted by Cartier ×1.2 high estimate Estimate USD 189k – 300k USD 363,669 $230,790price paid Lot 1 Two antique diamond, ruby and garnet swallow brooches ×3.5 high estimate Estimate USD 44k – 67k USD 230,790 $153,860price paid Lot 49 Cartier Art Deco diamond and onyx bracelet ×0.9 high estimate Estimate USD 111k – 167k USD 153,860 $111,898price paid Lot 54 Antique diamond rivière necklace ×0.8 high estimate Estimate USD 89k – 133k USD 111,898 $97,911price paid Lot 5 Suzanne Belperron pair of Art Deco rock crystal and diamond 'éventail' clip-brooches ×1.1 high estimate Estimate USD 67k – 89k USD 97,911 $83,924price paid Lot 48 Art Deco ruby, diamond and onyx bracelet, attributed to Cartier ×0.9 high estimate Estimate USD 67k – 89k USD 83,924 $83,924price paid Lot 25 Cartier Art Deco multi-gem minute repeater 'Cube' table clock ×1.5 high estimate Estimate USD 33k – 56k USD 83,924 $83,924price paid Lot 27 Cartier Art Deco century enamel, rock crystal and diamond 'Borne' folding strut clock ×1.5 high estimate Estimate USD 33k – 56k USD 83,924 $76,930price paid Lot 24 Cartier Art Deco platinum 'Mystery' pocket watch ×2.3 high estimate Estimate USD 22k – 33k USD 76,930 $69,936price paid Lot 26 Cartier Art Deco nephrite, kingfisher feather, enamel and diamond 'Borne' strut clock ×1.3 high estimate Estimate USD 33k – 56k USD 69,936 $55,949price paid Lot 20 Cartier retro tri-coloured gold bangle ×0.8 high estimate Estimate USD 44k – 67k USD 55,949 $55,949price paid Lot 23 Cartier Art Deco diamond 'Temple' brooch ×0.8 high estimate Estimate USD 44k – 67k USD 55,949 Lot 22 Exceptional Cartier Art Deco ruby, sapphire and diamond sautoir Estimate USD 888k – 1.33m Not sold Lot 85 Cartier Art Deco diamond bracelet Estimate USD 167k – 278k Not sold Lot 56 Belle epoque emerald and diamond bow brooch Estimate USD 111k – 167k Not sold

Other jewels 13 lots

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$741,325price paid Lot 75 Suite of emerald, coloured diamond and diamond jewellery ×4.5 high estimate Estimate USD 111k – 167k USD 741,325 $391,643price paid Lot 32 Hemmerle spinel earrings ×1.8 high estimate Estimate USD 144k – 222k USD 391,643 $335,694price paid Lot 13 Set of sapphire and diamond jewellery ×1.3 high estimate Estimate USD 155k – 266k USD 335,694 $251,771price paid Lot 41 Pair of magnificent diamond earclips, attributed to Harry Winston F colour · VS1 ×0.8 high estimate Estimate USD 222k – 333k USD 251,771 $209,809price paid Lot 33 Hemmerle spinel ring ×2.0 high estimate Estimate USD 61k – 105k USD 209,809 $167,847price paid Lot 64 Chatila emerald and diamond bracelet ×0.6 high estimate Estimate USD 155k – 266k USD 167,847 $125,885price paid Lot 63 Suite of emerald and diamond jewellery ×0.7 high estimate Estimate USD 100k – 189k USD 125,885 $118,892price paid Lot 17 Pederzani diamond bracelet ×0.5 high estimate Estimate USD 111k – 222k USD 118,892 $20,382per carat Lot 68 Diamond ring 5.49 ct · H colour · VS1 ×1.0 high estimate Estimate USD 78k – 111k USD 111,898$20,382 per carat $67,139price paid Lot 21 Lapis lazuli 'Penannular' bangle, attributed to Cartier ×1.0 high estimate Estimate USD 44k – 67k USD 67,139 $3,125per carat Lot 42 No reserve spinel and diamond ring 20.14 ct · No heat ×0.7 high estimate Estimate USD 56k – 89k USD 62,943$3,125 per carat $62,943price paid Lot 53 Diamond earrings ×0.9 high estimate Estimate USD 44k – 67k USD 62,943 Lot 37 Sapphire and diamond earrings Estimate USD 33k – 56k Not sold

Prices are the prices paid, buyer’s premium included, as Christie’s publishes them; prices per carat and comparisons with the estimates use them too (Christie’s estimates do not include the premium). Prices in USD at the ECB rate of 7 November 2023. Photographs © Christie’s Images Ltd. 2023.

Stones seen before

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

Lot 11 · $181,834

Cartier coloured diamond and diamond ring

3.07 ct · GIA 8762495

1. Jun 2024Phillips New York · lot 65est. $200,000–300,000Unsold

Lot 57 · $181,834

Treated coloured diamond ring

45.24 ct · Fancy Vivid Yellow · GIA 2235038193

1. Nov 2026Christie’s Geneva · lot 594est. $158,405–194,960$187,162