Sales/Results·Bonhams Hong Kong·26 Jul – 3 August 2021·Online auction 26990
Luxury Online: Jewellery, Watches, Pens and Handbags
$515k in total, buyer’s premium included
Top lots per carat 9 lots · the highest prices per carat of the sale
$12,735per carat
Lot 509
A coloured diamond and diamond ring
1.03 ct · Fancy Light Yellow-green · VS1
×1.2 high estimate
Estimate USD 8k – 11k
USD 13,117$12,735 per carat
$9,725per carat
Lot 574
A coloured diamond and diamond ring
1.31 ct · Fancy Intense Yellow · VVS2
×1.0 high estimate
Estimate USD 10k – 13k
USD 12,740$9,725 per carat
$9,565per carat
Lot 520
Cartier: a diamond ring,
0.60 ct · D · Internally Flawless
×1.5 high estimate
Estimate USD 3k – 4k
USD 5,739$9,565 per carat
$7,613per carat
Lot 548
An alexandrite and diamond ring
1.40 ct
×0.9 high estimate
Estimate USD 8k – 12k
USD 10,658$7,613 per carat
$6,233per carat
Lot 543
A ruby and diamond ring
1.71 ct · Burma · No heat
×1.0 high estimate
Estimate USD 8k – 11k
USD 10,658$6,233 per carat
$4,754per carat
Lot 603
A spinel and diamond ring
6.83 ct · Burma · No heat
×0.9 high estimate
Estimate USD 24k – 36k
USD 32,471$4,754 per carat
$4,501per carat
Lot 541
A diamond pendant necklace
1.02 ct · H · VS1
×0.7 high estimate
Estimate USD 3k – 6k
USD 4,591$4,501 per carat
$3,615per carat
Lot 511
A ruby and diamond pendant necklace
1.27 ct · Burma · No heat
×1.3 high estimate
Estimate USD 3k – 4k
USD 4,591$3,615 per carat
$3,079per carat
Lot 561
An emerald and diamond pendant necklace
1.20 ct · Colombia · Minor oil
×1.0 high estimate
Estimate USD 3k – 4k
USD 3,695$3,079 per carat
Sapphires 4 lots
Origin not reported
$6,887price paid
Lot 536
A padparadscha sapphire, tourmaline and diamond ring
×3.6 high estimate
Estimate USD 1k – 2k
USD 6,887
$1,640price paid
Lot 562
A sapphire and diamond ring
×0.8 high estimate
Estimate USD 2k – 2k
USD 1,640
Lot 626
Tiffany & Co.: a sapphire and diamond ring
Estimate USD 31k – 40k
Not sold
Lot 523
A purple sapphire, coloured diamond and diamond ring
2.10 ct
Estimate USD 15k – 21k
Not sold
Rubies 4 lots
Burma
$6,233per carat
Lot 543
A ruby and diamond ring
1.71 ct · Burma · No heat
×1.0 high estimate
Estimate USD 8k – 11k
USD 10,658$6,233 per carat
$3,615per carat
Lot 511
A ruby and diamond pendant necklace
1.27 ct · Burma · No heat
×1.3 high estimate
Estimate USD 3k – 4k
USD 4,591$3,615 per carat
Lot 563
A ruby and diamond ring
3.14 ct · Burma · No heat
Estimate USD 19k – 23k
Not sold
Lot 505
A ruby and diamond ring
1.10 ct · Burma · No heat
Estimate USD 7k – 8k
Not sold
Emeralds 3 lots
$3,079per carat
Lot 561
An emerald and diamond pendant necklace
1.20 ct · Colombia · Minor oil
×1.0 high estimate
Estimate USD 3k – 4k
USD 3,695$3,079 per carat
Lot 567
An emerald and diamond ring
1.72 ct · Colombia · Insignificant oil
Estimate USD 5k – 6k
Not sold
$5,739price paid
Lot 566
An emerald and diamond crossover ring
Not determinable · No oil
×1.0 high estimate
Estimate USD 5k – 6k
USD 5,739
Coloured diamonds 7 lots
$12,735per carat
Lot 509
A coloured diamond and diamond ring
1.03 ct · Fancy Light Yellow-green · VS1
×1.2 high estimate
Estimate USD 8k – 11k
USD 13,117$12,735 per carat
$9,725per carat
Lot 574
A coloured diamond and diamond ring
1.31 ct · Fancy Intense Yellow · VVS2
×1.0 high estimate
Estimate USD 10k – 13k
USD 12,740$9,725 per carat
$2,459price paid
Lot 521
A coloured diamond and diamond ring
×1.1 high estimate
Estimate USD 2k – 2k
USD 2,459
Lot 572
A coloured diamond and diamond ring/pendant
1.12 ct · Internally Flawless
Estimate USD 19k – 26k
Not sold
Lot 508
A coloured diamond and diamond ring
1.12 ct · Fancy Deep Yellow · VS2
Estimate USD 10k – 15k
Not sold
Lot 571
A coloured diamond and diamond ring
0.33 ct · Fancy Pink
Estimate USD 11k – 12k
Not sold
Lot 573
Pair of coloured diamond and diamond earrings
0.52 ct · Fancy Yellow · VS2
Estimate USD 4k – 6k
Not sold
Pearls and cultured pearls 14 lots
$6,887price paid
Lot 538
A cultured pearl and diamond barrette
×3.6 high estimate
Estimate USD 1k – 2k
USD 6,887
$5,739price paid
Lot 615
A cultured pearl and diamond set (2)
×3.7 high estimate
Estimate USD 1k – 2k
USD 5,739
$4,099price paid
Lot 610
A black cultured pearl and diamond brooch
×2.1 high estimate
Estimate USD 1k – 2k
USD 4,099
$3,279price paid
Lot 559
A cultured pearl and diamond necklace and a cultured pearl, green hardstone and diamond necklace (2)
×0.8 high estimate
Estimate USD 3k – 4k
USD 3,279
$3,115price paid
Lot 539
A cultured pearl and diamond pendant/brooch
×0.8 high estimate
Estimate USD 2k – 4k
USD 3,115
$2,459price paid
Lot 527
A golden cultured pearl and diamond necklace
×1.0 high estimate
Estimate USD 1k – 3k
USD 2,459
$2,296price paid
Lot 614
A cultured pearl, gem-set and diamond set (2)
×2.2 high estimate
Estimate USD 643 – 1k
USD 2,296
$2,132price paid
Lot 537
An 18k gold and cultured pearl set (2)
×1.1 high estimate
Estimate USD 1k – 2k
USD 2,132
$1,968price paid
Lot 558
A cultured pearl and diamond set (2)
×0.8 high estimate
Estimate USD 2k – 2k
USD 1,968
$1,968price paid
Lot 611
A black cultured pearl and diamond longchain
×1.3 high estimate
Estimate USD 1k – 2k
USD 1,968
$1,312price paid
Lot 612
A cultured pearl necklace and an emerald and diamond ring (2)
×0.8 high estimate
Estimate USD 900 – 2k
USD 1,312
$6,231price paid
Lot 556
A conch pearl and diamond necklace
×1.0 high estimate
Estimate USD 5k – 6k
USD 6,231
$4,591price paid
Lot 517
A mother-of-pearl, blue topaz and gem-set brooch/pendant
×0.9 high estimate
Estimate USD 4k – 5k
USD 4,591
Lot 557
A quahog pearl, coloured diamond and diamond brooch
Estimate USD 3k – 5k
Not sold
Signed jewels 20 lots
$9,565per carat
Lot 520
Cartier: a diamond ring,
0.60 ct · D · Internally Flawless
×1.5 high estimate
Estimate USD 3k – 4k
USD 5,739$9,565 per carat
$3,115price paid
Lot 540
Cartier: a pair of tri-coloured 18k gold and diamond 'Bumble bee' earrings
×1.0 high estimate
Estimate USD 2k – 3k
USD 3,115
$3,115price paid
Lot 506
Cartier: an 18k gold, chalcedony, gold and diamond lovebirds brooch
×1.3 high estimate
Estimate USD 2k – 2k
USD 3,115
$2,951price paid
Lot 503
Cartier: an onyx, ruby and diamond 'Le baiser du dragon' bracelet
×0.9 high estimate
Estimate USD 2k – 3k
USD 2,951
Lot 515
Cartier: a pair of turquoise and diamond earclips
Estimate USD 18k – 23k
Not sold
$1,640price paid
Lot 514
Celin: an 18k gold charm bracelet
×1.1 high estimate
Estimate USD 1k – 2k
USD 1,640
$26,042price paid
Lot 578
Graff: a pair of ruby and diamond 'Mini gypsy' earrings
×0.9 high estimate
Estimate USD 21k – 28k
USD 26,042
$9,838price paid
Lot 577
Graff: a pair of ruby and diamond 'Flame' earrings
×0.9 high estimate
Estimate USD 8k – 11k
USD 9,838
$8,198price paid
Lot 502
Graff: a pair of ruby and diamond 'Bullseye' earrings
×0.5 high estimate
Estimate USD 10k – 15k
USD 8,198
$4,099price paid
Lot 501
Graff: a diamond 'Snowflake' pendant necklace
×0.8 high estimate
Estimate USD 3k – 5k
USD 4,099
Lot 576
Graff: a pair of diamond 'Butterfly' earrings
Estimate USD 45k – 62k
Not sold
$2,623price paid
Lot 606
Michele della valle: a green fluorite bead, pink sapphire and diamond necklace
×0.6 high estimate
Estimate USD 3k – 5k
USD 2,623
$2,296price paid
Lot 605
Michele della valle: a peridot, tsavorite garnet and diamond ring
×0.5 high estimate
Estimate USD 3k – 5k
USD 2,296
Lot 542
Michele della valle: a pair of citrine and diamond earrings
Estimate USD 3k – 5k
Not sold
$1,476price paid
Lot 550
Paolo costagli: a blue topaz and diamond ring
×1.0 high estimate
Estimate USD 1k – 2k
USD 1,476
$1,230price paid
Lot 551
Paolo costagli: a blue topaz and diamond ring
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,230
$738price paid
Lot 552
Paolo costagli: a white topaz and diamond ring
×0.6 high estimate
Estimate USD 836 – 1k
USD 738
$2,132price paid
Lot 516
Tiffany & Co.: an 18k gold flower brooch
×0.9 high estimate
Estimate USD 2k – 2k
USD 2,132
Lot 626
Tiffany & Co.: a sapphire and diamond ring
Estimate USD 31k – 40k
Not sold
Lot 533
Van Cleef & Arpels: a pair of ruby and diamond earrings
Estimate USD 19k – 24k
Not sold
Other jewels 74 lots
$30,864price paid
Lot 575
Pair of diamond earstuds
D · VVS2
×1.0 high estimate
Estimate USD 23k – 30k
USD 30,864
$19,612price paid
Lot 569
Pair of ruby and diamond earrings
×1.0 high estimate
Estimate USD 15k – 21k
USD 19,612
$18,004price paid
Lot 564
An emerald bead and diamond necklace
×1.2 high estimate
Estimate USD 12k – 15k
USD 18,004
$18,004price paid
Lot 627
A ruby and diamond ring
×1.6 high estimate
Estimate USD 9k – 12k
USD 18,004
$14,757price paid
Lot 510
A diamond set (2)
×1.0 high estimate
Estimate USD 12k – 15k
USD 14,757
$12,739price paid
Lot 507
A coloured diamond and diamond ring
×1.0 high estimate
Estimate USD 10k – 13k
USD 12,739
$10,658price paid
Lot 531
A gold and sapphire cigarette case and lighter, (2)
×1.7 high estimate
Estimate USD 4k – 6k
USD 10,658
$9,838price paid
Lot 628
A star ruby and diamond necklace
×0.8 high estimate
Estimate USD 10k – 12k
USD 9,838
$9,018price paid
Lot 529
Pair of bi-coloured 18k gold and diamond cuffs
×1.2 high estimate
Estimate USD 6k – 8k
USD 9,018
$8,198price paid
Lot 544
A rubellite tourmaline and diamond ring
×1.3 high estimate
Estimate USD 5k – 6k
USD 8,198
$6,887price paid
Lot 593
Pair of jadeite and diamond earrings
×1.5 high estimate
Estimate USD 3k – 5k
USD 6,887
$6,559price paid
Lot 586
Pair of jadeite huaigu, spinel, and diamond earrings
×1.0 high estimate
Estimate USD 5k – 6k
USD 6,559
$6,559price paid
Lot 504
A ruby and diamond pendant necklace
×3.4 high estimate
Estimate USD 2k – 2k
USD 6,559
$6,373price paid
Lot 545
A ruby, gem-set and diamond ring
×1.0 high estimate
Estimate USD 5k – 6k
USD 6,373
$5,739price paid
Lot 535
Pair of ruby and diamond earrings
×1.2 high estimate
Estimate USD 4k – 5k
USD 5,739
$5,739price paid
Lot 588
An icy jadeite and daimond ring
×2.5 high estimate
Estimate USD 2k – 2k
USD 5,739
$5,608price paid
Lot 613
A ruby and diamond brooch/pendant necklace
×0.9 high estimate
Estimate USD 5k – 6k
USD 5,608
$4,591price paid
Lot 528
A bi-coloured 18k gold and diamond set (2)
×1.1 high estimate
Estimate USD 3k – 4k
USD 4,591
$4,591price paid
Lot 625
Pair of sapphire and diamond earrings
×3.0 high estimate
Estimate USD 1k – 2k
USD 4,591
$4,099price paid
Lot 618
Group of gem-set and diamond jewellery (4)
×0.9 high estimate
Estimate USD 3k – 5k
USD 4,099
$4,099price paid
Lot 616
A diamond cluster necklace and a cat'S eye tourmaline and diamond ring (2)
×1.3 high estimate
Estimate USD 2k – 3k
USD 4,099
$4,099price paid
Lot 601
A jadeite and diamond ring
×3.2 high estimate
Estimate USD 900 – 1k
USD 4,099
$3,607price paid
Lot 549
Pair of sapphire and diamond earrings
×0.5 high estimate
Estimate USD 5k – 8k
USD 3,607
$3,607price paid
Lot 607
Pair of gem-set and diamond earrings
×0.6 high estimate
Estimate USD 3k – 6k
USD 3,607
$3,607price paid
Lot 597
A jadeite and diamond brooch
×2.3 high estimate
Estimate USD 1k – 2k
USD 3,607
$3,115price paid
Lot 519
A gold and diamond necklace
×0.9 high estimate
Estimate USD 3k – 4k
USD 3,115
$3,115price paid
Lot 596
Group of jadeite and diamond jewellery (3)
×3.0 high estimate
Estimate USD 514 – 1k
USD 3,115
$2,951price paid
Lot 560
A shagreen and coloured diamond cuff
×0.8 high estimate
Estimate USD 2k – 4k
USD 2,951
$2,951price paid
Lot 600
A green hardstone, tourmaline and diamond set (2)
×0.9 high estimate
Estimate USD 2k – 3k
USD 2,951
$2,951price paid
Lot 609
A 14k gold, gem-set and diamond bib necklace,
×1.3 high estimate
Estimate USD 2k – 2k
USD 2,951
$2,787price paid
Lot 617
A gold and emerald ring and a diamond cluster ring (2)
×0.9 high estimate
Estimate USD 2k – 3k
USD 2,787
$2,459price paid
Lot 555
A coloured diamond and diamond pendant
×0.9 high estimate
Estimate USD 2k – 3k
USD 2,459
$2,459price paid
Lot 579
A ruby and diamond cross pendant necklace
×1.0 high estimate
Estimate USD 2k – 2k
USD 2,459
$2,459price paid
Lot 582
A lavender jadeite and diamond set (2)
×1.3 high estimate
Estimate USD 1k – 2k
USD 2,459
$2,459price paid
Lot 598
A jadeite and diamond butterfly brooch
×1.3 high estimate
Estimate USD 1k – 2k
USD 2,459
$2,459price paid
Lot 599
A jadeite saddle ring and a jadeite and diamond bracelet (2)
×1.6 high estimate
Estimate USD 900 – 2k
USD 2,459
$2,132price paid
Lot 534
A ruby and diamond ring
×1.0 high estimate
Estimate USD 2k – 2k
USD 2,132
$2,132price paid
Lot 524
Group of gem-set and diamond jewellery (4)
×1.5 high estimate
Estimate USD 836 – 1k
USD 2,132
$1,968price paid
Lot 512
A yellow sapphire and diamond rose brooch and a gem-set and diamond brooch/pendant (2)
×0.6 high estimate
Estimate USD 2k – 3k
USD 1,968
$1,968price paid
Lot 621
Pair of purple sapphire and diamond earrings
×0.6 high estimate
Estimate USD 2k – 3k
USD 1,968
$1,968price paid
Lot 620
An opal and diamond pendant necklace
×0.8 high estimate
Estimate USD 2k – 3k
USD 1,968
$1,968price paid
Lot 525
A coral, gem-set and diamond ring
×0.8 high estimate
Estimate USD 2k – 2k
USD 1,968
$1,968price paid
Lot 530
Pair of gold and ruby earrings
×0.8 high estimate
Estimate USD 2k – 2k
USD 1,968
$1,804price paid
Lot 591
A yellow jadeite and gem-set pendant
×0.9 high estimate
Estimate USD 1k – 2k
USD 1,804
$1,804price paid
Lot 623
A black opal and diamond ring
×0.9 high estimate
Estimate USD 1k – 2k
USD 1,804
$1,804price paid
Lot 619
Pair of bi-coloured 18k gold and diamond earrings
×1.2 high estimate
Estimate USD 1k – 2k
USD 1,804
$1,640price paid
Lot 590
Pair of yellow jadeite and diamond earrings
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,640
$1,279price paid
Lot 580
An onyx and diamond set (2)
×1.1 high estimate
Estimate USD 1k – 1k
USD 1,279
$1,181price paid
Lot 589
A hardstone and diamond pendant
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,181
$1,181price paid
Lot 624
A pink sapphire and diamond set (2)
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,181
$984price paid
Lot 522
A gem-set and diamond brooch
×1.0 high estimate
Estimate USD 772 – 1k
USD 984
$820price paid
Lot 622
An amethyst and diamond ring
×0.8 high estimate
Estimate USD 643 – 1k
USD 820
$525price paid
Lot 608
Pair of citrine and diamond earstuds
×0.1 high estimate
Estimate USD 3k – 5k
USD 525
Lot 570
A ruby and diamond necklace
Estimate USD 26k – 36k
Not sold
Lot 602
A jadeite, gem-set and diamond necklace
Estimate USD 15k – 21k
Not sold
Lot 604
A spinel and diamond ring
7.06 ct · Burma · No heat
Estimate USD 6k – 10k
Not sold
Lot 585
A jadeite and diamond brooch
Estimate USD 7k – 10k
Not sold
Lot 592
A jadeite, sapphire and diamond dog ring
Estimate USD 7k – 10k
Not sold
Lot 518
A black opal, gem-set and diamond pendant
Estimate USD 6k – 9k
Not sold
Lot 568
A ruby and diamond bracelet
Estimate USD 6k – 8k
Not sold
Lot 595
A jadeite saddle ring
Estimate USD 5k – 8k
Not sold
Lot 547
A diamond and alexandrite pendant necklace
Estimate USD 5k – 7k
Not sold
Lot 565
Pair of emerald and diamond earrings
Estimate USD 5k – 7k
Not sold
Lot 553
A tourmaline, mother-of-pearl and diamond ring
Estimate USD 5k – 6k
Not sold
Lot 554
A pink sapphire, mother-of-pearl and diamond butterfly ring
Estimate USD 5k – 6k
Not sold
Lot 546
A diamond and alexandrite ring
Estimate USD 5k – 6k
Not sold
Lot 587
Pair of jadeite peapod, ruby, and diamond earrings
Estimate USD 5k – 6k
Not sold
Lot 594
A jadeite and diamond pendant necklace
Estimate USD 4k – 5k
Not sold
Lot 513
A sapphire and diamond ring,
Estimate USD 3k – 4k
Not sold
Lot 526
An 18k gold and coral set (2)
Estimate USD 2k – 3k
Not sold
Lot 584
Pair of jadeite and diamond earrings
Estimate USD 2k – 3k
Not sold
Lot 581
A diamond cross pendant necklace
Estimate USD 2k – 2k
Not sold
Lot 583
A jadeite and diamond ring
Estimate USD 900 – 2k
Not sold
Lot 532
A garnet cross pendant/brooch,
Estimate USD 1k – 2k
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 3 August 2021. Photographs © Bonhams 2021.
Stones seen before
3 lots of this sale have been offered at auction before: the same stone, found by its laboratory report and weight. Resales

Lot 509 · $13,117
A coloured diamond and diamond ring
1.03 ct · Fancy Light Yellow-green · GIA 2146035223

Lot 574 · $12,740
A coloured diamond and diamond ring
1.31 ct · Fancy Intense Yellow · GIA 2155693853
