The Hong Kong Jewels Auction

$5.35m in total, buyer’s premium included

61 of 85 lots sold

The sale on phillips.com ↗︎

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

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$136,262per carat Lot 552 Natural pearl, seed pearl, diamond and icy jadeite necklace, house of glenn spiro 3.02 ct · H · SI1 ×0.5 high estimate Estimate USD 306k – 766k USD 411,510$136,262 per carat $105,672per carat Lot 551 Fancy light pink diamond and diamond ring 4.05 ct · Fancy Light Pink · Internally Flawless ×0.7 high estimate Estimate USD 255k – 574k USD 427,970$105,672 per carat $74,982per carat Lot 559 Emerald and diamond ring 9.22 ct · Colombia · No oil ×0.8 high estimate Estimate USD 612k – 829k USD 691,337$74,982 per carat $41,310per carat Lot 548 Light blue diamond and diamond ring 2.59 ct · VS1 ×0.7 high estimate Estimate USD 108k – 153k USD 106,993$41,310 per carat $18,944per carat Lot 520 Emerald and diamond pendant / brooch combination, late 19th century, and a seed pearl and diamond sautoir 3.91 ct · Colombia · No oil ×1.0 high estimate Estimate USD 57k – 77k USD 74,072$18,944 per carat $18,733per carat Lot 556 Sapphire and diamond ring 13.18 ct · Burma · No heat ×1.1 high estimate Estimate USD 128k – 230k USD 246,906$18,733 per carat $18,070per carat Lot 549 Fancy intense yellow diamond and diamond pendent necklace 20.04 ct · Fancy Intense Yellow · VS1 ×1.3 high estimate Estimate USD 204k – 281k USD 362,129$18,070 per carat $16,696per carat Lot 530 Padparadscha sapphire and diamond ring 9.07 ct · Ceylon · No heat ×1.0 high estimate Estimate USD 117k – 153k USD 151,436$16,696 per carat $9,523per carat Lot 512 Diamond ring, Graff 2.42 ct · D · VS1 ×1.3 high estimate Estimate USD 11k – 18k USD 23,045$9,523 per carat $8,230per carat Lot 580 Ruby and diamond brooch 4.00 ct · Burma · No heat ×0.7 high estimate Estimate USD 26k – 45k USD 32,921$8,230 per carat $7,807per carat Lot 511 Fancy intense yellow diamond ring, Graff 2.53 ct · Fancy Intense Yellow · VS1 ×1.1 high estimate Estimate USD 11k – 18k USD 19,752$7,807 per carat $3,702per carat Lot 513 Spinel and diamond ring 6.67 ct · Burma · No heat ×1.0 high estimate Estimate USD 19k – 26k USD 24,691$3,702 per carat

Sapphires 8 lots

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AllBurma 1Ceylon 6Madagascar 1

$18,733per carat Lot 556 Sapphire and diamond ring 13.18 ct · Burma · No heat ×1.1 high estimate Estimate USD 128k – 230k USD 246,906$18,733 per carat $16,696per carat Lot 530 Padparadscha sapphire and diamond ring 9.07 ct · Ceylon · No heat ×1.0 high estimate Estimate USD 117k – 153k USD 151,436$16,696 per carat $106,993price paid Lot 534 Sapphire and diamond pendent necklace 23.25 ct · Ceylon · No heat ×0.7 high estimate Estimate USD 89k – 153k USD 106,993 $32,921price paid Lot 532 Sapphire and diamond ring, Bulgari 6.61 ct · Ceylon · No heat ×0.9 high estimate Estimate USD 26k – 38k USD 32,921 Lot 584 Pair of sapphire and diamond earrings Ceylon · No heat Estimate USD 153k – 230k Not sold Lot 518 Sapphire, emerald and diamond ring 7.85 ct · Ceylon · No heat Estimate USD 36k – 51k Not sold Lot 515 Sapphire, tourmaline and diamond ring 14.11 ct · Ceylon · No heat Estimate USD 15k – 26k Not sold Lot 572 Pink sapphire and diamond ring 5.06 ct · Madagascar · No heat Estimate USD 20k – 31k Not sold

Rubies 6 lots

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AllBurma 3Mozambique 2Origin not reported 1

$8,230per carat Lot 580 Ruby and diamond brooch 4.00 ct · Burma · No heat ×0.7 high estimate Estimate USD 26k – 45k USD 32,921$8,230 per carat $148,144price paid Lot 569 Pair of ruby and diamond earrings 4.03 ct · Burma · No heat ×0.7 high estimate Estimate USD 153k – 204k USD 148,144 Lot 582 Ruby and diamond ring 5.39 ct · Burma · No heat Estimate USD 447k – 574k Not sold Lot 533 Ruby and diamond ring 3.04 ct · Mozambique · No heat Estimate USD 45k – 64k Not sold Lot 516 Ruby and diamond ring 4.11 ct · Mozambique · No heat Estimate USD 26k – 51k Not sold Lot 573 Ruby, sapphire and diamond ring 5.69 ct Estimate USD 66k – 89k Not sold

Emeralds 6 lots

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AllColombia 5Origin not reported 1

$74,982per carat Lot 559 Emerald and diamond ring 9.22 ct · Colombia · No oil ×0.8 high estimate Estimate USD 612k – 829k USD 691,337$74,982 per carat $18,944per carat Lot 520 Emerald and diamond pendant / brooch combination, late 19th century, and a seed pearl and diamond sautoir 3.91 ct · Colombia · No oil ×1.0 high estimate Estimate USD 57k – 77k USD 74,072$18,944 per carat $1,755per carat Lot 514 Emerald and diamond ring 7.97 ct · Colombia · Minor oil ×0.5 high estimate Estimate USD 13k – 28k USD 13,991$1,755 per carat $36,213price paid Lot 519 Pair of emerald and diamond earrings 3.66 ct · Colombia · Insignificant oil ×0.9 high estimate Estimate USD 28k – 41k USD 36,213 Lot 557 Emerald and diamond ring 4.38 ct · Colombia · Minor oil Estimate USD 41k – 61k Not sold $36,213price paid Lot 535 Emerald and diamond ring No oil ×0.7 high estimate Estimate USD 36k – 51k USD 36,213

Coloured diamonds 5 lots

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$105,672per carat Lot 551 Fancy light pink diamond and diamond ring 4.05 ct · Fancy Light Pink · Internally Flawless ×0.7 high estimate Estimate USD 255k – 574k USD 427,970$105,672 per carat $18,070per carat Lot 549 Fancy intense yellow diamond and diamond pendent necklace 20.04 ct · Fancy Intense Yellow · VS1 ×1.3 high estimate Estimate USD 204k – 281k USD 362,129$18,070 per carat $7,807per carat Lot 511 Fancy intense yellow diamond ring, Graff 2.53 ct · Fancy Intense Yellow · VS1 ×1.1 high estimate Estimate USD 11k – 18k USD 19,752$7,807 per carat $27,983price paid Lot 545 Pair of coloured diamond and diamond earrings ×1.6 high estimate Estimate USD 11k – 18k USD 27,983 Lot 546 Coloured diamond and diamond ring 1.00 ct · Fancy Yellow · VS1 Estimate USD 20k – 28k Not sold

Pearls and cultured pearls 6 lots

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AllNatural pearls 4Pearls, type not stated 2

$136,262per carat Lot 552 Natural pearl, seed pearl, diamond and icy jadeite necklace, house of glenn spiro 3.02 ct · H · SI1 ×0.5 high estimate Estimate USD 306k – 766k USD 411,510$136,262 per carat $42,797price paid Lot 525 Natural pearl, seed pearl and diamond bandeau tiara ×0.7 high estimate Estimate USD 41k – 61k USD 42,797 $15,637price paid Lot 526 Natural pearl and diamond brooch, retzignac ×0.7 high estimate Estimate USD 18k – 23k USD 15,637 $11,522price paid Lot 527 Natural pearl and diamond pendent necklace ×0.8 high estimate Estimate USD 12k – 15k USD 11,522 $36,213price paid Lot 562 Gem set, mother-of-pearl and diamond brooch, 'Carré', Bulgari ×4.7 high estimate Estimate USD 4k – 8k USD 36,213 $13,991price paid Lot 502 Mother-of-pearl sautoir, 'Vintage alhambra', Van Cleef & Arpels ×1.6 high estimate Estimate USD 7k – 9k USD 13,991

Signed jewels 27 lots

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AllAudemars Piguet 1Bulgari 6Cartier 8Chanel 1Graff 3House of Glenn Spiro 1JAR 2Mikimoto 1Retzignac 1Van Cleef & Arpels 3

$15,637price paid Lot 579 Diamond bracelet watch, ref. 67029or/z/1092or/01, audemars piguet ×1.2 high estimate Estimate USD 8k – 13k USD 15,637 $230,446price paid Lot 561 Gem set and diamond demi-parure, 1988, and gem set ring, 'Carré', Bulgari ×2.0 high estimate Estimate USD 64k – 115k USD 230,446 $52,673price paid Lot 578 Gem set necklace and bracelet, 'Parentesi', Bulgari ×2.1 high estimate Estimate USD 13k – 26k USD 52,673 $39,505price paid Lot 507 Porcelain and gem set bangle, 'Chandra', Bulgari ×3.9 high estimate Estimate USD 5k – 10k USD 39,505 $36,213price paid Lot 562 Gem set, mother-of-pearl and diamond brooch, 'Carré', Bulgari ×4.7 high estimate Estimate USD 4k – 8k USD 36,213 $32,921price paid Lot 532 Sapphire and diamond ring, Bulgari 6.61 ct · Ceylon · No heat ×0.9 high estimate Estimate USD 26k – 38k USD 32,921 $16,460price paid Lot 510 Diamond pendent necklace, 'Divas' dream', Bulgari ×1.4 high estimate Estimate USD 8k – 11k USD 16,460 $279,827price paid Lot 588 Diamond, onyx and emerald brooch, 'Panthère', Cartier ×1.1 high estimate Estimate USD 140k – 255k USD 279,827 $144,852price paid Lot 589 Art Deco ruby, emerald, sapphire and diamond bracelet, 1931, Cartier ×0.6 high estimate Estimate USD 102k – 230k USD 144,852 $82,302price paid Lot 564 Gold necklace and bracelet, 'Mahango', Cartier ×1.3 high estimate Estimate USD 45k – 64k USD 82,302 $24,691price paid Lot 565 Diamond and sapphire bracelet wristwatch, ref. 878999, Cartier ×1.0 high estimate Estimate USD 13k – 26k USD 24,691 $13,991price paid Lot 576 Gold necklace, 'Maillon panthère', Cartier ×1.2 high estimate Estimate USD 8k – 11k USD 13,991 $13,168price paid Lot 504 Diamond, emerald and onyx ring, 'Panthère de Cartier' ×0.9 high estimate Estimate USD 6k – 15k USD 13,168 $13,168price paid Lot 506 Chalcedony, diamond and tsavorite garnet brooch, Cartier ×1.3 high estimate Estimate USD 8k – 10k USD 13,168 $11,522price paid Lot 503 Gold and diamond bangle, 'écrou de Cartier' ×1.1 high estimate Estimate USD 6k – 10k USD 11,522 $13,168price paid Lot 508 Diamond and sapphire wristwatch, 'Camellia', ref. h1188, Chanel ×1.0 high estimate Estimate USD 8k – 13k USD 13,168 $62,550price paid Lot 581 Diamond and sapphire wristwatch, 'Butterfly', ref. bf32wgs, limited edition of 300 pieces, Graff ×1.6 high estimate Estimate USD 23k – 38k USD 62,550 $9,523per carat Lot 512 Diamond ring, Graff 2.42 ct · D · VS1 ×1.3 high estimate Estimate USD 11k – 18k USD 23,045$9,523 per carat $7,807per carat Lot 511 Fancy intense yellow diamond ring, Graff 2.53 ct · Fancy Intense Yellow · VS1 ×1.1 high estimate Estimate USD 11k – 18k USD 19,752$7,807 per carat $136,262per carat Lot 552 Natural pearl, seed pearl, diamond and icy jadeite necklace, house of glenn spiro 3.02 ct · H · SI1 ×0.5 high estimate Estimate USD 306k – 766k USD 411,510$136,262 per carat $10,699price paid Lot 574 Pair of gilt metal ear clips, JAR ×1.0 high estimate Estimate USD 8k – 10k USD 10,699 $9,053price paid Lot 575 Pair of aluminum ear clips, 'Pansy', JAR ×1.8 high estimate Estimate USD 3k – 5k USD 9,053 $9,053price paid Lot 505 Aquamarine and onyx pendent necklace, Mikimoto ×0.8 high estimate Estimate USD 8k – 11k USD 9,053 $15,637price paid Lot 526 Natural pearl and diamond brooch, retzignac ×0.7 high estimate Estimate USD 18k – 23k USD 15,637 $19,752price paid Lot 566 Gold and diamond bracelet, Van Cleef & Arpels ×1.3 high estimate Estimate USD 12k – 15k USD 19,752 $13,991price paid Lot 501 Onyx sautoir, 'Vintage alhambra', Van Cleef & Arpels ×1.6 high estimate Estimate USD 7k – 9k USD 13,991 $13,991price paid Lot 502 Mother-of-pearl sautoir, 'Vintage alhambra', Van Cleef & Arpels ×1.6 high estimate Estimate USD 7k – 9k USD 13,991

Vintage 4 lots

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$144,852price paid Lot 589 Art Deco ruby, emerald, sapphire and diamond bracelet, 1931, Cartier ×0.6 high estimate Estimate USD 102k – 230k USD 144,852 $18,944per carat Lot 520 Emerald and diamond pendant / brooch combination, late 19th century, and a seed pearl and diamond sautoir 3.91 ct · Colombia · No oil ×1.0 high estimate Estimate USD 57k – 77k USD 74,072$18,944 per carat $29,629price paid Lot 523 Pair of Art Deco diamond clip brooches ×0.6 high estimate Estimate USD 31k – 51k USD 29,629 $9,053price paid Lot 524 Art Deco diamond brooch ×0.8 high estimate Estimate USD 8k – 11k USD 9,053

Other jewels 29 lots

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$213,985price paid Lot 529 Ruby and diamond necklace Burma · No heat ×0.7 high estimate Estimate USD 204k – 306k USD 213,985 $197,525price paid Lot 587 Pair of jadeite and diamond earrings ×0.9 high estimate Estimate USD 172k – 230k USD 197,525 $181,064price paid Lot 585 Jadeite and diamond demi-parure ×0.8 high estimate Estimate USD 140k – 230k USD 181,064 $115,223price paid Lot 586 Jadeite and diamond ring ×0.8 high estimate Estimate USD 102k – 153k USD 115,223 $115,223price paid Lot 544 Jadeite and diamond brooch ×0.9 high estimate Estimate USD 77k – 128k USD 115,223 $90,532price paid Lot 541 Jadeite saddle ring ×3.5 high estimate Estimate USD 19k – 26k USD 90,532 $49,381price paid Lot 536 Pair of jadeite and diamond earrings ×0.9 high estimate Estimate USD 38k – 57k USD 49,381 $49,381price paid Lot 542 Jadeite and diamond demi-parure ×1.1 high estimate Estimate USD 28k – 45k USD 49,381 $39,505price paid Lot 540 Pair of jadeite and diamond earrings ×1.2 high estimate Estimate USD 18k – 33k USD 39,505 $36,213price paid Lot 570 Sapphire and diamond pendent necklace ×0.6 high estimate Estimate USD 38k – 64k USD 36,213 $18,106price paid Lot 522 Carved jadeite ×1.6 high estimate Estimate USD 8k – 11k USD 18,106 $13,168price paid Lot 517 Pair of colour-change spinel and diamond ear pendants, mount by tiffany and co. Vietnam · No heat ×0.7 high estimate Estimate USD 13k – 19k USD 13,168 $13,168price paid Lot 563 Fire opal and diamond ring ×1.1 high estimate Estimate USD 6k – 11k USD 13,168 $6,255price paid Lot 577 Aquamarine, pink sapphire and sapphire brooch / pendant combination ×0.6 high estimate Estimate USD 5k – 10k USD 6,255 $1,811price paid Lot 521 Pair of carved jadeite ×0.2 high estimate Estimate USD 5k – 9k USD 1,811 Lot 553 Ruby and diamond necklace Burma · No heat Estimate USD 230k – 319k Not sold Lot 558 Spinel and diamond ring 10.10 ct · Tanzania · No heat Estimate USD 121k – 179k Not sold Lot 567 Pair of ruby and diamond earrings Burma · No heat Estimate USD 115k – 153k Not sold Lot 531 Sapphire and diamond bracelet Estimate USD 74k – 102k Not sold Lot 554 Pair of ruby and diamond earrings Burma · No heat Estimate USD 77k – 102k Not sold Lot 550 Coloured diamond, conch pearl and diamond brooch Estimate USD 74k – 96k Not sold Lot 543 Jadeite and diamond ring Estimate USD 57k – 77k Not sold Lot 547 Very light pink diamond and diamond ring 2.05 ct · VVS1 Estimate USD 48k – 64k Not sold Lot 528 Diamond bracelet Estimate USD 41k – 61k Not sold Lot 571 Diamond and alexandrite chrysoberyl ring 3.14 ct · J · VS2 Estimate USD 36k – 51k Not sold Lot 538 Pair of jadeite and diamond earrings Estimate USD 28k – 38k Not sold Lot 539 Jadeite and diamond pendent necklace Estimate USD 23k – 36k Not sold Lot 509 Pair of diamond earrings Estimate USD 10k – 15k Not sold Lot 537 Jadeite and diamond ring Estimate USD 8k – 12k Not sold

Prices are the prices paid, buyer’s premium included, as Phillips publishes them; prices per carat and comparisons with the estimates use them too (Phillips estimates do not include the premium). Prices in USD at the ECB rate of 30 March 2026. Photographs © Phillips 2026.

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 513 · $24,691

Spinel and diamond ring

6.67 ct · Burma · GRS GRS2022078479

1. Mar 2025Phillips Hong Kong online · lot 93est. $15,432–23,148Unsold

Lot 516

Ruby and diamond ring

4.11 ct · Mozambique · GRS GRS2017048262

1. May 2026Bonhams Hong Kong · lot 522est. $31,900–44,660$24,499

Lot 535 · $36,213

Emerald and diamond ring

GIA 2514296834

1. Mar 2025Phillips Hong Kong · lot 576est. $36,008–48,868$62,062

Lot 556 · $246,906

Sapphire and diamond ring

13.18 ct · Burma · Gübelin 24101012

1. Sept 2025Phillips Hong Kong · lot 539est. $179,900–308,400Unsold