Magnificent Jewels

$39.3m in total, buyer’s premium included

89 of 116 lots sold

The sale on sothebys.com ↗︎

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

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$856,540per carat Lot 1752 Fancy intense blue diamond and diamond ring, mount by Cartier 5.22 ct · Fancy Intense Blue · Internally Flawless ×1.2 high estimate Estimate USD 3.23m – 3.87m USD 4,471,140$856,540 per carat $441,840per carat Lot 1743 Designed and mounted by forms | an exceptional ruby and diamond ring 6.41 ct · Burma · No oil ×1.0 high estimate Estimate USD 2.19m – 2.84m USD 2,832,195$441,840 per carat $156,892per carat Lot 1733 Pair of Paraíba tourmaline and diamond pendent earrings 2.59 ct · Brazil · Heated ×0.9 high estimate Estimate USD 335k – 452k USD 406,350$156,892 per carat $153,847per carat Lot 1638 Impressive diamond ring, mount by Van Cleef & Arpels 16.38 ct · D · Flawless ×1.0 high estimate Estimate USD 2.06m – 2.58m USD 2,520,015$153,847 per carat $133,918per carat Lot 1724 Emerald, diamond and coloured diamond ring 9.26 ct · Colombia · No oil ×1.9 high estimate Estimate USD 490k – 645k USD 1,240,077$133,918 per carat $122,071per carat Lot 1750 Exceptional fancy vivid yellow diamond and diamond ring 8.88 ct · Fancy Vivid Yellow · VS2 ×1.4 high estimate Estimate USD 606k – 774k USD 1,083,987$122,071 per carat $105,007per carat Lot 1657 Diamond pendent necklace 12.85 ct · D · Internally Flawless ×1.0 high estimate Estimate USD 1.03m – 1.29m USD 1,349,340$105,007 per carat $80,465per carat Lot 1615 Fancy intense green diamond and diamond ring 1.01 ct · Fancy Intense Green · VS2 ×0.8 high estimate Estimate USD 65k – 103k USD 81,270$80,465 per carat $74,560per carat Lot 1719 Unmounted diamond 7.63 ct · D · Flawless ×1.1 high estimate Estimate USD 452k – 516k USD 568,890$74,560 per carat $67,245per carat Lot 1718 Diamond ring, mount by Tiffany & Co. 8.46 ct · D · Internally Flawless ×1.0 high estimate Estimate USD 452k – 581k USD 568,890$67,245 per carat $64,306per carat Lot 1618 Light pink diamond and diamond ring 7.33 ct · VS2 ×1.0 high estimate Estimate USD 374k – 490k USD 471,366$64,306 per carat $64,245per carat Lot 1713 Graff | diamond ring 5.06 ct · D · Flawless ×1.3 high estimate Estimate USD 194k – 245k USD 325,080$64,245 per carat

Sapphires 6 lots

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AllBurma 2Ceylon 1Origin not reported 3

$44,980per carat Lot 1741 Forms | sapphire and diamond ring 7.95 ct · Burma · No heat ×1.5 high estimate Estimate USD 129k – 232k USD 357,588$44,980 per carat $7,775per carat Lot 1710 Sapphire and diamond ring 15.68 ct · Burma · No heat ×0.9 high estimate Estimate USD 97k – 129k USD 121,905$7,775 per carat $9,625per carat Lot 1734 Sapphire and diamond ring 25.33 ct · Ceylon · No heat ×3.9 high estimate Estimate USD 49k – 62k USD 243,810$9,625 per carat $11,025per carat Lot 1640 Padparadscha sapphire and diamond ring 5.16 ct ×1.0 high estimate Estimate USD 45k – 58k USD 56,889$11,025 per carat $7,721per carat Lot 1641 Padparadscha sapphire, tourmaline and diamond ring 4.00 4.00 ct ×0.9 high estimate Estimate USD 25k – 36k USD 30,883$7,721 per carat $3,409per carat Lot 1639 Sapphire and diamond ring 9.06 ct ×1.0 high estimate Estimate USD 19k – 32k USD 30,883$3,409 per carat

Rubies 2 lots

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Burma

$441,840per carat Lot 1743 Designed and mounted by forms | an exceptional ruby and diamond ring 6.41 ct · Burma · No oil ×1.0 high estimate Estimate USD 2.19m – 2.84m USD 2,832,195$441,840 per carat $357,588price paid Lot 1644 Pair of ruby and diamond earrings Burma · No heat ×1.0 high estimate Estimate USD 284k – 361k USD 357,588

Emeralds 7 lots

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AllColombia 5Origin not reported 2

$133,918per carat Lot 1724 Emerald, diamond and coloured diamond ring 9.26 ct · Colombia · No oil ×1.9 high estimate Estimate USD 490k – 645k USD 1,240,077$133,918 per carat $49,939per carat Lot 1651 Harry Winston | a rare and important emerald and diamond ring 16.08 ct · Colombia · No oil ×0.7 high estimate Estimate USD 774k – 1.16m USD 803,025$49,939 per carat $14,604per carat Lot 1652 Cartier | Art Deco emerald and diamond brooch 11.13 ct · Colombia ×1.0 high estimate Estimate USD 129k – 168k USD 162,540$14,604 per carat Lot 1650 Pair of emerald and diamond pendent ear clips, the tops by Harry Winston 12.99 ct · Colombia Estimate USD 361k – 452k Not sold Lot 1714 Emerald and diamond ring 9.12 ct · Colombia · No oil Estimate USD 181k – 232k Not sold $61,765price paid Lot 1612 Pair of emerald, diamond and seed pearl pendent earrings ×1.0 high estimate Estimate USD 49k – 65k USD 61,765 $48,762price paid Lot 1742 Forms | pair of emerald, diamond and enamel earrings 1.39 ct ×1.1 high estimate Estimate USD 26k – 45k USD 48,762

Coloured diamonds 16 lots

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$856,540per carat Lot 1752 Fancy intense blue diamond and diamond ring, mount by Cartier 5.22 ct · Fancy Intense Blue · Internally Flawless ×1.2 high estimate Estimate USD 3.23m – 3.87m USD 4,471,140$856,540 per carat $122,071per carat Lot 1750 Exceptional fancy vivid yellow diamond and diamond ring 8.88 ct · Fancy Vivid Yellow · VS2 ×1.4 high estimate Estimate USD 606k – 774k USD 1,083,987$122,071 per carat $80,465per carat Lot 1615 Fancy intense green diamond and diamond ring 1.01 ct · Fancy Intense Green · VS2 ×0.8 high estimate Estimate USD 65k – 103k USD 81,270$80,465 per carat $21,088per carat Lot 1616 Fancy vivid yellow diamond and diamond ring 5.01 ct · Fancy Vivid Yellow · SI2 ×1.0 high estimate Estimate USD 84k – 103k USD 105,651$21,088 per carat $19,331per carat Lot 1716 Fancy yellow diamond and diamond bracelet 10.09 ct · Fancy Yellow · SI2 ×0.9 high estimate Estimate USD 155k – 206k USD 195,048$19,331 per carat $18,952per carat Lot 1635 Fancy deep yellow diamond and diamond ring 7.29 ct · Fancy Deep Yellow · VS1 ×1.0 high estimate Estimate USD 110k – 142k USD 138,159$18,952 per carat $520,128price paid Lot 1717 Pair of fancy yellow diamond and diamond pendent earrings, the tops by Van Cleef & Arpels Fancy Yellow · Internally Flawless ×1.0 high estimate Estimate USD 413k – 542k USD 520,128 $45,511price paid Lot 1608 Coloured diamond and diamond ring Fancy Intense Green-Yellow · VS1 ×0.7 high estimate Estimate USD 36k – 62k USD 45,511 $32,508price paid Lot 1607 Pair of coloured diamond and diamond pendent earrings Fancy Light Green-Yellow · SI1 ×0.7 high estimate Estimate USD 26k – 45k USD 32,508 Lot 1722 Fancy light purplish pink diamond and diamond ring 18.68 ct · Fancy Light Purplish Pink · SI2 Estimate USD 1.81m – 2.19m Not sold Lot 1637 Fancy dark grey-blue diamond and diamond ring 3.88 3.88 ct · Fancy Dark Grey-Blue · VS1 Estimate USD 903k – 1.16m Not sold Lot 1721 Fancy vivid yellow diamond and diamond ring 23.54 ct · Fancy Vivid Yellow · VS1 Estimate USD 748k – 903k Not sold Lot 1751 Very rare fancy pink diamond, coloured diamond and diamond ring 3.64 ct · Fancy Pink · Internally Flawless Estimate USD 710k – 903k Not sold Lot 1636 Bulgari | fancy deep brown-pink diamond and diamond ring 8.50 ct · Fancy Deep Brown-Pink · VVS2 Estimate USD 387k – 516k Not sold Lot 1634 Pair of light blue diamond and coloured diamond earrings Fancy Light Purplish Pink · Internally Flawless Estimate USD 129k – 181k Not sold Lot 1709 Fancy dark yellowish brown diamond and diamond pendent necklace 30.04 ct · Fancy Dark Yellowish Brown · SI2 Estimate USD 116k – 155k Not sold

Colourless diamonds 13 lots

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$153,847per carat Lot 1638 Impressive diamond ring, mount by Van Cleef & Arpels 16.38 ct · D · Flawless ×1.0 high estimate Estimate USD 2.06m – 2.58m USD 2,520,015$153,847 per carat $105,007per carat Lot 1657 Diamond pendent necklace 12.85 ct · D · Internally Flawless ×1.0 high estimate Estimate USD 1.03m – 1.29m USD 1,349,340$105,007 per carat $74,560per carat Lot 1719 Unmounted diamond 7.63 ct · D · Flawless ×1.1 high estimate Estimate USD 452k – 516k USD 568,890$74,560 per carat $67,245per carat Lot 1718 Diamond ring, mount by Tiffany & Co. 8.46 ct · D · Internally Flawless ×1.0 high estimate Estimate USD 452k – 581k USD 568,890$67,245 per carat $31,444per carat Lot 1715 Harry Winston | diamond ring 10.08 ct · H · VVS1 ×0.9 high estimate Estimate USD 245k – 335k USD 316,953$31,444 per carat $1,271,295price paid Lot 1754 Harry Winston | 'Holly wreath' diamond necklace D · VS2 ×0.8 high estimate Estimate USD 1.03m – 1.55m USD 1,271,295 $834,243price paid Lot 1720 Pair of unmounted diamonds D · Flawless ×1.0 high estimate Estimate USD 645k – 839k USD 834,243 $143,035price paid Lot 1707 Graff | 'Carissa' diamond necklace ×1.3 high estimate Estimate USD 84k – 110k USD 143,035 $105,651price paid Lot 1632 Diamond demi-parure ×0.7 high estimate Estimate USD 77k – 155k USD 105,651 $105,651price paid Lot 1633 Diamond bracelet ×1.2 high estimate Estimate USD 71k – 90k USD 105,651 Lot 1753 An exquisite and unique pair of fancy intense blue diamond and diamond pendent earrings D · Internally Flawless Estimate USD 3.61m – 4.51m Not sold Lot 1757 Very important pair of unmounted diamonds D · Internally Flawless Estimate USD 2.26m – 2.58m Not sold Lot 1647 Van Cleef & Arpels | diamond ring 13.01 ct · H · VS2 Estimate USD 258k – 361k Not sold

Pearls and cultured pearls 3 lots

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AllNatural pearls 1Cultured pearls 1Pearls, type not stated 1

$35,759price paid Lot 1738 Natural pearl and diamond sautoir ×0.9 high estimate Estimate USD 28k – 39k USD 35,759 $48,762price paid Lot 1611 Chanel | cultured pearl and diamond necklace ×0.9 high estimate Estimate USD 31k – 52k USD 48,762 $35,759price paid Lot 1643 Conch pearl and diamond brooch / pendant ×1.2 high estimate Estimate USD 23k – 31k USD 35,759

Signed jewels 34 lots

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AllBoucheron 1Bulgari 3Cartier 7Chanel 1Graff 8Harry Winston 6Tiffany & Co. 2Van Cleef & Arpels 6

$24,381price paid Lot 1701 Boucheron | gold and diamond evening bag ×1.2 high estimate Estimate USD 10k – 21k USD 24,381 $53,638price paid Lot 1705 Bulgari | 'Parentesi' gold and diamond parure ×0.8 high estimate Estimate USD 41k – 65k USD 53,638 $35,759price paid Lot 1704 Bulgari | coral, peridot and diamond pendent necklace ×0.9 high estimate Estimate USD 28k – 39k USD 35,759 Lot 1636 Bulgari | fancy deep brown-pink diamond and diamond ring 8.50 ct · Fancy Deep Brown-Pink · VVS2 Estimate USD 387k – 516k Not sold $856,540per carat Lot 1752 Fancy intense blue diamond and diamond ring, mount by Cartier 5.22 ct · Fancy Intense Blue · Internally Flawless ×1.2 high estimate Estimate USD 3.23m – 3.87m USD 4,471,140$856,540 per carat $357,588price paid Lot 1656 Cartier | diamond tiara ×1.6 high estimate Estimate USD 168k – 219k USD 357,588 $14,604per carat Lot 1652 Cartier | Art Deco emerald and diamond brooch 11.13 ct · Colombia ×1.0 high estimate Estimate USD 129k – 168k USD 162,540$14,604 per carat $61,765price paid Lot 1706 Cartier | 'Panthère' diamond, onyx and emerald pendent necklace ×1.5 high estimate Estimate USD 31k – 41k USD 61,765 $56,889price paid Lot 1708 Cartier | 'Panthère' gold, diamond, emerald and onyx brooch ×1.6 high estimate Estimate USD 26k – 36k USD 56,889 $35,759price paid Lot 1702 Cartier ×1.2 high estimate Estimate USD 21k – 31k USD 35,759 $26,006price paid Lot 1703 Cartier | 'Panthère' diamond, emerald and onyx pendent necklace ×1.3 high estimate Estimate USD 15k – 21k USD 26,006 $48,762price paid Lot 1611 Chanel | cultured pearl and diamond necklace ×0.9 high estimate Estimate USD 31k – 52k USD 48,762 $64,245per carat Lot 1713 Graff | diamond ring 5.06 ct · D · Flawless ×1.3 high estimate Estimate USD 194k – 245k USD 325,080$64,245 per carat $211,302price paid Lot 1614 Graff | diamond and ruby sautoir ×1.4 high estimate Estimate USD 116k – 155k USD 211,302 $178,794price paid Lot 1642 Graff | sapphire, coloured sapphire and diamond pendent necklace ×1.2 high estimate Estimate USD 84k – 155k USD 178,794 $154,413price paid Lot 1739 Graff | 'Butterfly' ruby and diamond brooch E · VVS1 ×1.0 high estimate Estimate USD 123k – 155k USD 154,413 $143,035price paid Lot 1707 Graff | 'Carissa' diamond necklace ×1.3 high estimate Estimate USD 84k – 110k USD 143,035 $126,781price paid Lot 1648 Graff ×1.2 high estimate Estimate USD 84k – 110k USD 126,781 $52,013price paid Lot 1613 Graff | 'Rhythm' pair of ruby and diamond pendent earrings ×2.0 high estimate Estimate USD 21k – 26k USD 52,013 Lot 1649 Graff Estimate USD 413k – 516k Not sold $1,271,295price paid Lot 1754 Harry Winston | 'Holly wreath' diamond necklace D · VS2 ×0.8 high estimate Estimate USD 1.03m – 1.55m USD 1,271,295 $49,939per carat Lot 1651 Harry Winston | a rare and important emerald and diamond ring 16.08 ct · Colombia · No oil ×0.7 high estimate Estimate USD 774k – 1.16m USD 803,025$49,939 per carat $31,444per carat Lot 1715 Harry Winston | diamond ring 10.08 ct · H · VVS1 ×0.9 high estimate Estimate USD 245k – 335k USD 316,953$31,444 per carat $32,508price paid Lot 1604 Harry Winston | gold, diamond and gem set novelty kaleidoscope pendant ×1.6 high estimate Estimate USD 10k – 21k USD 32,508 $6,827price paid Lot 1602 Harry Winston | pair of diamond earrings ×0.8 high estimate Estimate USD 5k – 8k USD 6,827 Lot 1650 Pair of emerald and diamond pendent ear clips, the tops by Harry Winston 12.99 ct · Colombia Estimate USD 361k – 452k Not sold $67,245per carat Lot 1718 Diamond ring, mount by Tiffany & Co. 8.46 ct · D · Internally Flawless ×1.0 high estimate Estimate USD 452k – 581k USD 568,890$67,245 per carat $357,588price paid Lot 1658 Jadeite and diamond necklace, late qing, clasp by Tiffany & Co. ×1.5 high estimate Estimate USD 155k – 232k USD 357,588 $153,847per carat Lot 1638 Impressive diamond ring, mount by Van Cleef & Arpels 16.38 ct · D · Flawless ×1.0 high estimate Estimate USD 2.06m – 2.58m USD 2,520,015$153,847 per carat $520,128price paid Lot 1717 Pair of fancy yellow diamond and diamond pendent earrings, the tops by Van Cleef & Arpels Fancy Yellow · Internally Flawless ×1.0 high estimate Estimate USD 413k – 542k USD 520,128 $61,765price paid Lot 1603 Van Cleef & Arpels | 'Snowflake', diamond demi-parure ×3.0 high estimate Estimate USD 10k – 21k USD 61,765 $13,003price paid Lot 1601 Van Cleef & Arpels | 'Oiseaux de paradis' diamond and pink sapphire brooch ×0.8 high estimate Estimate USD 10k – 15k USD 13,003 Lot 1647 Van Cleef & Arpels | diamond ring 13.01 ct · H · VS2 Estimate USD 258k – 361k Not sold Lot 1646 Van Cleef & Arpels | diamond bracelet, 1930 Estimate USD 84k – 103k Not sold

Vintage 3 lots

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$300,699price paid Lot 1655 Diamond tiara, possibly carrington & co., late 19th century ×1.3 high estimate Estimate USD 181k – 232k USD 300,699 $14,604per carat Lot 1652 Cartier | Art Deco emerald and diamond brooch 11.13 ct · Colombia ×1.0 high estimate Estimate USD 129k – 168k USD 162,540$14,604 per carat $130,032price paid Lot 1653 Diamond pendent necklace, late 19th century ×1.3 high estimate Estimate USD 71k – 97k USD 130,032

Other jewels 44 lots

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$8,122,227price paid Lot 1662 An extremely rare and exceptional “imperial green” jadeite bead and diamond necklace Estimate — USD 8,122,227 $1,817,610price paid Lot 1660 Highly rare and important jadeite and diamond parure ×0.9 high estimate Estimate USD 1.55m – 2.06m USD 1,817,610 $1,037,160price paid Lot 1645 Pair of sapphire and diamond pendent earrings ×1.5 high estimate Estimate USD 542k – 710k USD 1,037,160 $568,890price paid Lot 1629 Jadeite and diamond pendent necklace ×1.0 high estimate Estimate USD 452k – 581k USD 568,890 $568,890price paid Lot 1659 Very fine and rare pair of jadeite and diamond pendent necklaces ×1.2 high estimate Estimate USD 310k – 464k USD 568,890 $455,112price paid Lot 1630 Lavender jadeite bangle ×0.9 high estimate Estimate USD 361k – 490k USD 455,112 $51,498per carat Lot 1749 Diamond ring 5.05 ct · D · Internally Flawless ×1.0 high estimate Estimate USD 206k – 258k USD 260,064$51,498 per carat $243,810price paid Lot 1628 Jadeite and diamond parure ×0.8 high estimate Estimate USD 194k – 323k USD 243,810 $195,048price paid Lot 1744 Cindy Chao | set of three jadeite, diamond and pink sapphire brooches ×1.0 high estimate Estimate USD 155k – 194k USD 195,048 $178,794price paid Lot 1654 Diamond tiara / clip brooches / bracelet, possibly garrard & co. ×0.9 high estimate Estimate USD 129k – 194k USD 178,794 $30,459per carat Lot 1712 Diamond ring 5.87 ct · D · Internally Flawless ×0.9 high estimate Estimate USD 142k – 194k USD 178,794$30,459 per carat $154,413price paid Lot 1747 Pair of jadeite double hoop and diamond pendent earrings ×1.0 high estimate Estimate USD 116k – 155k USD 154,413 $113,778price paid Lot 1623 Glassy jadeite bangle ×1.5 high estimate Estimate USD 49k – 75k USD 113,778 $105,651price paid Lot 1627 Jadeite and diamond demi parure ×1.0 high estimate Estimate USD 84k – 110k USD 105,651 $97,524price paid Lot 1732 Rare and carved jadeite interlocked links with diamond and ruby necklace ×0.9 high estimate Estimate USD 77k – 103k USD 97,524 $89,397price paid Lot 1624 Carved jadeite, coloured sapphire and diamond pendant / brooch ×0.9 high estimate Estimate USD 71k – 97k USD 89,397 $89,397price paid Lot 1610 Pair of diamond ear studs G · VS2 ×1.1 high estimate Estimate USD 62k – 84k USD 89,397 $14,315per carat Lot 1631 Diamond ring 5.45 ct · H · VS2 ×1.2 high estimate Estimate USD 45k – 65k USD 78,019$14,315 per carat $65,016price paid Lot 1711 Ruby and diamond bracelet Burma · No heat ×0.8 high estimate Estimate USD 52k – 77k USD 65,016 $18,900per carat Lot 1606 Diamond ring 3.01 ct · E · VS1 ×1.8 high estimate Estimate USD 23k – 31k USD 56,889$18,900 per carat $56,889price paid Lot 1605 Pair of diamond ear studs H · SI2 ×2.5 high estimate Estimate USD 15k – 23k USD 56,889 $9,505per carat Lot 1609 Diamond ring 5.13 ct · H · VS2 ×0.9 high estimate Estimate USD 31k – 52k USD 48,762$9,505 per carat $42,260price paid Lot 1626 Lavender jadeite parure ×1.2 high estimate Estimate USD 28k – 36k USD 42,260 $42,260price paid Lot 1729 Jadeite and diamond ring ×1.2 high estimate Estimate USD 26k – 36k USD 42,260 $35,759price paid Lot 1727 Jadeite and diamond ring ×1.2 high estimate Estimate USD 21k – 31k USD 35,759 $29,257price paid Lot 1728 Lavender jadeite, jadeite, onyx and diamond demi-parure ×1.3 high estimate Estimate USD 15k – 23k USD 29,257 $26,006price paid Lot 1619 Lavender jadeite, diamond and ruby demi parure ×0.4 high estimate Estimate USD 49k – 62k USD 26,006 $26,006price paid Lot 1622 Jadeite, gem set and diamond brooch ×1.0 high estimate Estimate USD 21k – 26k USD 26,006 $24,381price paid Lot 1726 Carved jadeite, jadeite bead and rubelite pendent necklace ×1.1 high estimate Estimate USD 15k – 23k USD 24,381 $21,130price paid Lot 1620 Jadeite and diamond pendent necklace ×1.4 high estimate Estimate USD 10k – 15k USD 21,130 $19,505price paid Lot 1621 Jadeite, gem set and diamond brooch ×0.9 high estimate Estimate USD 15k – 21k USD 19,505 Lot 1661 Very rare and important jadeite bangle Estimate USD 2.58m – 3.35m Not sold Lot 1748 Impressive and rare jadeite and diamond pendant Estimate USD 1.68m – 2.32m Not sold Lot 1745 Designed by nicholas lieou | a unique and rare jadeite, fancy vivid purplish pink diamond and diamond ring 2.08 ct Estimate USD 1.42m – 1.94m Not sold Lot 1725 Emerald and diamond parure Colombia · No oil Estimate USD 1.29m – 1.55m Not sold Lot 1746 Pair of jadeite and diamond pendent earrings Estimate USD 452k – 581k Not sold Lot 1723 Emerald and diamond bracelet Colombia · No oil Estimate USD 361k – 516k Not sold Lot 1731 Pair of jadeite and diamond earrings Estimate USD 258k – 335k Not sold Lot 1737 Paraíba tourmaline and diamond ring 5.07 ct Estimate USD 168k – 206k Not sold Lot 1617 Unmounted diamond 5.48 ct · E · VS1 Estimate USD 129k – 155k Not sold Lot 1730 Jadeite and diamond pendant Estimate USD 71k – 97k Not sold Lot 1736 Alexandrite and diamond ring and pair of pendent earrings 2.37 ct · Brazil · No indications of treatment Estimate USD 62k – 77k Not sold Lot 1625 Pair of jadeite, lavender jadeite and diamond pendants / pendent earrings Estimate USD 49k – 62k Not sold Lot 1735 Spinel, ruby and diamond ring 7.16 ct Estimate USD 22k – 31k Not sold

Prices are the prices paid, buyer’s premium included, as Sotheby’s publishes them; prices per carat and comparisons with the estimates use them too (Sotheby’s estimates do not include the premium). Prices in USD at the ECB rate of 7 October 2020. Photographs © Sotheby’s 2020.

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 1617

Unmounted diamond

5.48 ct · E · GIA 5346700849

1. Jul 2021Sotheby’s Hong Kong · lot 1654est. $128,700–154,440$162,291

Lot 1636

Bulgari

8.50 ct · Fancy Deep Brown-Pink · GIA 2195098842

1. Nov 2019Christie’s Geneva · lot 122est. $301,410–502,350$400,875
2. Jul 2020Sotheby’s Hong Kong online · lot 1173est. $412,800–541,800Unsold

Lot 1637

Fancy dark grey-blue diamond and diamond ring 3.88

3.88 ct · Fancy Dark Grey-Blue · GIA 2191383781

1. Nov 2024Phillips Geneva · lot 395est. $773,024–966,280Unsold

Lot 1751

A very rare fancy pink diamond, coloured diamond and diamond ring

3.64 ct · Fancy Pink · GIA 1162587333

1. Dec 2024Sotheby’s Hong Kong · lot 1861est. $579,150–836,550$494,208