Sales/Results·Bonhams New York·12 June 2025·Live auction 30811
New York Jewels
$7.00m in total, buyer’s premium included
Top lots per carat 6 lots · the highest prices per carat of the sale
$129,468per carat
Lot 422
A Kashmir sapphire and diamond ring
4.32 ct · Kashmir · No heat
×3.7 high estimate
Estimate USD 100k – 150k
USD 559,300$129,468 per carat
$54,408per carat
Lot 370
A fancy intense green diamond ring
2.11 ct · Fancy Intense Green
×0.8 high estimate
Estimate USD 100k – 150k
USD 114,800$54,408 per carat
$14,543per carat
Lot 389
An edwardian fancy intense yellow diamond ring, circa 1905
4.75 ct · Fancy Intense Yellow · SI2
×1.2 high estimate
Estimate USD 40k – 60k
USD 69,080$14,543 per carat
$6,957per carat
Lot 300
Bulgari: a ruby and diamond ring
0.92 ct · Mozambique
×2.1 high estimate
Estimate USD 2k – 3k
USD 6,400$6,957 per carat
$4,890per carat
Lot 315
A fancy brownish yellow diamond ring
11.78 ct · Fancy Brownish Yellow · SI1
×1.6 high estimate
Estimate USD 25k – 35k
USD 57,600$4,890 per carat
$4,364per carat
Lot 348
A fancy yellow diamond ring
4.40 ct · Fancy Yellow
×1.1 high estimate
Estimate USD 12k – 18k
USD 19,200$4,364 per carat
Sapphires 5 lots
$129,468per carat
Lot 422
A Kashmir sapphire and diamond ring
4.32 ct · Kashmir · No heat
×3.7 high estimate
Estimate USD 100k – 150k
USD 559,300$129,468 per carat
$70,350price paid
Lot 332
David Webb: a sapphire and diamond ring
18.50 ct · Ceylon · No heat
×0.9 high estimate
Estimate USD 50k – 80k
USD 70,350
$43,520price paid
Lot 395
Verdura: a sapphire and diamond 'Turban' ring
18.17 ct · Ceylon
×0.6 high estimate
Estimate USD 40k – 70k
USD 43,520
$57,600price paid
Lot 318
Reza: a sapphire and diamond necklace/brooch combination
×0.7 high estimate
Estimate USD 50k – 80k
USD 57,600
$38,400price paid
Lot 396
Verdura: a sapphire and diamond pendant/brooch combination
×0.8 high estimate
Estimate USD 30k – 50k
USD 38,400
Coloured diamonds 7 lots
$54,408per carat
Lot 370
A fancy intense green diamond ring
2.11 ct · Fancy Intense Green
×0.8 high estimate
Estimate USD 100k – 150k
USD 114,800$54,408 per carat
$14,543per carat
Lot 389
An edwardian fancy intense yellow diamond ring, circa 1905
4.75 ct · Fancy Intense Yellow · SI2
×1.2 high estimate
Estimate USD 40k – 60k
USD 69,080$14,543 per carat
$4,890per carat
Lot 315
A fancy brownish yellow diamond ring
11.78 ct · Fancy Brownish Yellow · SI1
×1.6 high estimate
Estimate USD 25k – 35k
USD 57,600$4,890 per carat
$4,364per carat
Lot 348
A fancy yellow diamond ring
4.40 ct · Fancy Yellow
×1.1 high estimate
Estimate USD 12k – 18k
USD 19,200$4,364 per carat
$19,200price paid
Lot 416
Pair of fancy yellow diamond and diamond earclips
Fancy Vivid Yellow · VVS1
×1.1 high estimate
Estimate USD 12k – 18k
USD 19,200
Lot 423
Rare fancy light blue diamond ring
14.52 ct · Fancy Light Blue · VVS1
Estimate USD 2.00m – 3.00m
Not sold
Lot 391
A fancy yellow diamond ring
16.76 ct · Fancy Yellow · VS1
Estimate USD 170k – 270k
Not sold
Pearls and cultured pearls 4 lots
$5,376price paid
Lot 334
A cultured pearl and diamond necklace
×0.7 high estimate
Estimate USD 5k – 8k
USD 5,376
$4,096price paid
Lot 351
Linda lee johnson: an 18k gold and cultured pearl necklace
×0.8 high estimate
Estimate USD 3k – 5k
USD 4,096
$3,200price paid
Lot 358
Group of three cultured pearl necklaces
×0.6 high estimate
Estimate USD 3k – 5k
USD 3,200
$12,800price paid
Lot 364
Van Cleef & Arpels: a mother-of-pearl 'Alhambra' necklace
×0.9 high estimate
Estimate USD 10k – 15k
USD 12,800
Signed jewels 53 lots
$508,500price paid
Lot 361
Boucheron: an important Art Nouveau enamel, sapphire and diamond 'Juno' pendant, france, circa 1900
×1.7 high estimate
Estimate USD 200k – 300k
USD 508,500
$11,520price paid
Lot 303
Bulgari: an 18k gold 'Spiga' bangle bracelet, italy
×1.3 high estimate
Estimate USD 6k – 9k
USD 11,520
$8,320price paid
Lot 345
Bulgari: an 18k gold 'Assioma' wristwatch
×1.7 high estimate
Estimate USD 3k – 5k
USD 8,320
$6,957per carat
Lot 300
Bulgari: a ruby and diamond ring
0.92 ct · Mozambique
×2.1 high estimate
Estimate USD 2k – 3k
USD 6,400$6,957 per carat
$5,760price paid
Lot 319
Bulgari: an aquamarine and diamond ring
×1.9 high estimate
Estimate USD 2k – 3k
USD 5,760
$19,200price paid
Lot 305
Cartier: an 18k gold and diamond 'Panthère de Cartier' wristwatch
×0.8 high estimate
Estimate USD 15k – 25k
USD 19,200
$9,600price paid
Lot 341
Cartier: an 18k gold 'Panthère de Cartier' wristwatch
×1.1 high estimate
Estimate USD 7k – 9k
USD 9,600
$20,480price paid
Lot 314
Chopard: a diamond 'Ice cube' wristwatch
×0.7 high estimate
Estimate USD 20k – 30k
USD 20,480
$17,920price paid
Lot 362
Chopard: a diamond 'La strada' wristwatch
×1.2 high estimate
Estimate USD 10k – 15k
USD 17,920
$102,100price paid
Lot 354
David Webb: an emerald and diamond necklace
×1.6 high estimate
Estimate USD 55k – 65k
USD 102,100
$70,350price paid
Lot 332
David Webb: a sapphire and diamond ring
18.50 ct · Ceylon · No heat
×0.9 high estimate
Estimate USD 50k – 80k
USD 70,350
$32,000price paid
Lot 359
David Webb: a diamond brooch
×0.6 high estimate
Estimate USD 30k – 50k
USD 32,000
$32,000price paid
Lot 355
David Webb: a pair of emerald and diamond earclips
×4.6 high estimate
Estimate USD 5k – 7k
USD 32,000
$23,040price paid
Lot 371
David Webb: a diamond clip brooch
×0.8 high estimate
Estimate USD 20k – 30k
USD 23,040
$12,800price paid
Lot 308
David Webb: a diamond and emerald brooch
×0.9 high estimate
Estimate USD 10k – 15k
USD 12,800
$8,320price paid
Lot 386
David Webb: an enamel and diamond brooch and earclips set
×0.9 high estimate
Estimate USD 6k – 9k
USD 8,320
$89,400price paid
Lot 338
Graff: a diamond bangle
×0.9 high estimate
Estimate USD 70k – 100k
USD 89,400
$25,600price paid
Lot 331
Graff: an 18k white gold, ruby and diamond wristwatch
×1.3 high estimate
Estimate USD 15k – 20k
USD 25,600
$19,200price paid
Lot 322
Graff: a diamond bracelet
×1.0 high estimate
Estimate USD 15k – 20k
USD 19,200
$108,450price paid
Lot 413
Harry Winston: a diamond bracelet
×0.9 high estimate
Estimate USD 80k – 120k
USD 108,450
$95,750price paid
Lot 412
Harry Winston: a diamond ring
×1.3 high estimate
Estimate USD 55k – 75k
USD 95,750
$57,600price paid
Lot 415
Harry Winston: a diamond and ruby pendant necklace
×0.9 high estimate
Estimate USD 45k – 65k
USD 57,600
$38,400price paid
Lot 333
Harry Winston: a diamond bracelet
×1.0 high estimate
Estimate USD 28k – 38k
USD 38,400
$28,160price paid
Lot 408
Harry Winston: a pair of colored diamond earclips
×1.9 high estimate
Estimate USD 10k – 15k
USD 28,160
$25,600price paid
Lot 414
Harry Winston: a pair of ruby and diamond earclips
×1.2 high estimate
Estimate USD 18k – 22k
USD 25,600
Lot 403
JAR: a pair of lavender jadeite, chrysoprase and diamond earclips, france
Estimate USD 65k – 95k
Not sold
$10,240price paid
Lot 342
Julius cohen: a pair of colored diamond earclips
×0.6 high estimate
Estimate USD 12k – 18k
USD 10,240
$4,096price paid
Lot 351
Linda lee johnson: an 18k gold and cultured pearl necklace
×0.8 high estimate
Estimate USD 3k – 5k
USD 4,096
$108,450price paid
Lot 356
Oscar Heyman: a sapphire, emerald and diamond necklace/bracelet combination
×1.4 high estimate
Estimate USD 60k – 80k
USD 108,450
$70,350price paid
Lot 357
Oscar Heyman: a sapphire, emerald and diamond bracelet
×1.2 high estimate
Estimate USD 40k – 60k
USD 70,350
$28,160price paid
Lot 417
Oscar Heyman: a diamond and enamel brooch
×0.9 high estimate
Estimate USD 20k – 30k
USD 28,160
$16,640price paid
Lot 419
Oscar Heyman: a pair of diamond earclips
×1.1 high estimate
Estimate USD 10k – 15k
USD 16,640
$70,350price paid
Lot 398
Paul flato: a pair of sapphire and diamond clips/bracelet conversion, circa 1938
×0.8 high estimate
Estimate USD 60k – 90k
USD 70,350
$15,360price paid
Lot 316
Piaget: an 18k gold and diamond 'Polo' wristwatch
×0.8 high estimate
Estimate USD 10k – 20k
USD 15,360
$14,080price paid
Lot 349
Piaget: an 18k gold and diamond 'Glancy' necklace, switzerland
×2.0 high estimate
Estimate USD 5k – 7k
USD 14,080
$11,520price paid
Lot 306
Piaget: an 18k gold, onyx and diamond wristwatch
×1.0 high estimate
Estimate USD 8k – 12k
USD 11,520
Lot 321
Raymond Yard: an opal, ruby and diamond necklace
Estimate USD 60k – 80k
Not sold
$267,200price paid
Lot 401
René boivin: a colored diamond brooch, france, circa 1939
×1.3 high estimate
Estimate USD 150k – 200k
USD 267,200
$57,600price paid
Lot 318
Reza: a sapphire and diamond necklace/brooch combination
×0.7 high estimate
Estimate USD 50k – 80k
USD 57,600
$171,950price paid
Lot 399
Suzanne Belperron: a sapphire and diamond necklace, france
×1.9 high estimate
Estimate USD 70k – 90k
USD 171,950
Lot 400
Taffin: a pair of diamond earclips
Estimate USD 160k – 240k
Not sold
$483,100price paid
Lot 421
Tiffany & Co.: a Paraíba tourmaline and diamond ring
×3.2 high estimate
Estimate USD 100k – 150k
USD 483,100
$114,800price paid
Lot 420
Tiffany & Co.: a ruby and diamond necklace
×3.8 high estimate
Estimate USD 20k – 30k
USD 114,800
$5,376price paid
Lot 410
Tiffany & Co.: a gem-set 'Fireworks' brooch
×1.1 high estimate
Estimate USD 3k – 5k
USD 5,376
$25,600price paid
Lot 411
Valentin magro: a benitoite brooch
×3.7 high estimate
Estimate USD 5k – 7k
USD 25,600
$178,300price paid
Lot 337
Van Cleef & Arpels: a diamond 'Pierres de caractère' necklace
×1.2 high estimate
Estimate USD 120k – 150k
USD 178,300
$25,600price paid
Lot 390
Van Cleef & Arpels: a retro ruby and diamond bracelet, france, circa 1945
×1.3 high estimate
Estimate USD 15k – 20k
USD 25,600
$15,360price paid
Lot 317
Van Cleef & Arpels: a set of three 18k gold bangles
×1.3 high estimate
Estimate USD 8k – 12k
USD 15,360
$12,800price paid
Lot 364
Van Cleef & Arpels: a mother-of-pearl 'Alhambra' necklace
×0.9 high estimate
Estimate USD 10k – 15k
USD 12,800
$127,500price paid
Lot 394
Verdura: a ruby and diamond necklace
×1.1 high estimate
Estimate USD 80k – 120k
USD 127,500
$43,520price paid
Lot 395
Verdura: a sapphire and diamond 'Turban' ring
18.17 ct · Ceylon
×0.6 high estimate
Estimate USD 40k – 70k
USD 43,520
$38,400price paid
Lot 396
Verdura: a sapphire and diamond pendant/brooch combination
×0.8 high estimate
Estimate USD 30k – 50k
USD 38,400
$19,200price paid
Lot 385
Wander & fils: an 18k gold necklace
×2.1 high estimate
Estimate USD 7k – 9k
USD 19,200
Vintage 11 lots
$508,500price paid
Lot 361
Boucheron: an important Art Nouveau enamel, sapphire and diamond 'Juno' pendant, france, circa 1900
×1.7 high estimate
Estimate USD 200k – 300k
USD 508,500
$267,200price paid
Lot 401
René boivin: a colored diamond brooch, france, circa 1939
×1.3 high estimate
Estimate USD 150k – 200k
USD 267,200
$70,350price paid
Lot 398
Paul flato: a pair of sapphire and diamond clips/bracelet conversion, circa 1938
×0.8 high estimate
Estimate USD 60k – 90k
USD 70,350
$14,543per carat
Lot 389
An edwardian fancy intense yellow diamond ring, circa 1905
4.75 ct · Fancy Intense Yellow · SI2
×1.2 high estimate
Estimate USD 40k – 60k
USD 69,080$14,543 per carat
$25,600price paid
Lot 390
Van Cleef & Arpels: a retro ruby and diamond bracelet, france, circa 1945
×1.3 high estimate
Estimate USD 15k – 20k
USD 25,600
$21,760price paid
Lot 328
A diamond bracelet, circa 1955
×1.5 high estimate
Estimate USD 12k – 15k
USD 21,760
$17,920price paid
Lot 384
A retro sapphire and diamond bracelet, france, circa 1940
×1.0 high estimate
Estimate USD 12k – 18k
USD 17,920
$9,600price paid
Lot 352
An 18k bicolor gold and diamond bracelet, italy, circa 1945
×1.6 high estimate
Estimate USD 4k – 6k
USD 9,600
$8,320price paid
Lot 375
An antique emerald and diamond ring
×1.2 high estimate
Estimate USD 5k – 7k
USD 8,320
$8,320price paid
Lot 374
A retro diamond ring, circa 1950
×1.7 high estimate
Estimate USD 3k – 5k
USD 8,320
Lot 376
An edwardian diamond, emerald and natural pearl brooch, circa 1905
2.71 ct
Estimate USD 22k – 28k
Not sold
Other jewels 52 lots
$597,400price paid
Lot 406
An emerald and diamond necklace
×3.3 high estimate
Estimate USD 120k – 180k
USD 597,400
$470,400price paid
Lot 383
A spinel, emerald, diamond and cultured pearl pendant
×0.9 high estimate
Estimate USD 300k – 500k
USD 470,400
$445,000price paid
Lot 407
Pair of emerald and diamond earclips
×5.6 high estimate
Estimate USD 50k – 80k
USD 445,000
$229,100price paid
Lot 336
A ruby and diamond necklace
×1.1 high estimate
Estimate USD 150k – 200k
USD 229,100
$102,100price paid
Lot 325
A diamond ring
×1.1 high estimate
Estimate USD 60k – 90k
USD 102,100
$57,600price paid
Lot 382
A diamond ring
×1.5 high estimate
Estimate USD 32k – 38k
USD 57,600
$57,600price paid
Lot 404
A sapphire and diamond necklace
×2.3 high estimate
Estimate USD 20k – 25k
USD 57,600
$51,200price paid
Lot 397
A ruby and diamond bracelet, france
×1.3 high estimate
Estimate USD 20k – 40k
USD 51,200
$40,960price paid
Lot 360
A diamond bracelet
×0.8 high estimate
Estimate USD 30k – 50k
USD 40,960
$40,960price paid
Lot 346
A diamond and cultured pearl bracelet
×1.2 high estimate
Estimate USD 25k – 35k
USD 40,960
$38,400price paid
Lot 405
A sapphire and diamond bracelet
×2.6 high estimate
Estimate USD 10k – 15k
USD 38,400
$35,840price paid
Lot 350
A diamond bracelet
×0.7 high estimate
Estimate USD 30k – 50k
USD 35,840
$35,840price paid
Lot 402
An emerald and diamond necklace/bracelet combination
×1.3 high estimate
Estimate USD 22k – 28k
USD 35,840
$35,840price paid
Lot 312
A colored diamond ring
×3.0 high estimate
Estimate USD 8k – 12k
USD 35,840
$32,000price paid
Lot 339
A diamond station necklace
×0.6 high estimate
Estimate USD 30k – 50k
USD 32,000
$28,160price paid
Lot 368
Pair of diamond earrings
×0.8 high estimate
Estimate USD 25k – 35k
USD 28,160
$24,320price paid
Lot 335
A diamond bracelet
×1.4 high estimate
Estimate USD 12k – 18k
USD 24,320
$23,040price paid
Lot 379
A diamond pendant
×1.3 high estimate
Estimate USD 12k – 18k
USD 23,040
$23,040price paid
Lot 369
A diamond ring
×1.9 high estimate
Estimate USD 9k – 12k
USD 23,040
$23,040price paid
Lot 377
An 18k gold and diamond bracelet
×3.3 high estimate
Estimate USD 5k – 7k
USD 23,040
$20,480price paid
Lot 329
A diamond necklace
×1.7 high estimate
Estimate USD 9k – 12k
USD 20,480
$19,200price paid
Lot 381
A sapphire and diamond ring
×0.8 high estimate
Estimate USD 15k – 25k
USD 19,200
$17,920price paid
Lot 301
An 18k gold necklace, italy
×1.2 high estimate
Estimate USD 10k – 15k
USD 17,920
$17,920price paid
Lot 310
An 18k gold necklace
×1.5 high estimate
Estimate USD 9k – 12k
USD 17,920
$17,920price paid
Lot 327
An aquamarine and diamond pendant
×2.0 high estimate
Estimate USD 6k – 9k
USD 17,920
$16,640price paid
Lot 367
A diamond necklace
×0.9 high estimate
Estimate USD 12k – 18k
USD 16,640
$16,640price paid
Lot 344
A diamond ring
×1.4 high estimate
Estimate USD 9k – 12k
USD 16,640
$16,640price paid
Lot 380
A diamond and ruby necklace
×2.0 high estimate
Estimate USD 7k – 9k
USD 16,640
$15,360price paid
Lot 365
A diamond bracelet
×0.9 high estimate
Estimate USD 12k – 18k
USD 15,360
$15,360price paid
Lot 343
An 18k gold and gem-set necklace/brooch combination
×1.6 high estimate
Estimate USD 8k – 10k
USD 15,360
$14,080price paid
Lot 307
A gold necklace
×1.4 high estimate
Estimate USD 7k – 10k
USD 14,080
$12,800price paid
Lot 311
A pink sapphire and diamond ring, england
×1.4 high estimate
Estimate USD 7k – 9k
USD 12,800
$12,160price paid
Lot 330
A spinel and diamond bracelet
×0.2 high estimate
Estimate USD 30k – 50k
USD 12,160
$11,520price paid
Lot 324
A diamond brooch
×1.3 high estimate
Estimate USD 6k – 9k
USD 11,520
$11,520price paid
Lot 304
An 18k gold bracelet and earclip set, italy
×2.1 high estimate
Estimate USD 5k – 6k
USD 11,520
$10,880price paid
Lot 313
An 18k gold, sapphire and diamond necklace
×1.6 high estimate
Estimate USD 5k – 7k
USD 10,880
$10,240price paid
Lot 309
Pair of ruby and diamond earrings, england
×0.7 high estimate
Estimate USD 10k – 15k
USD 10,240
$10,240price paid
Lot 378
A ruby and diamond ring
×1.5 high estimate
Estimate USD 4k – 7k
USD 10,240
$9,600price paid
Lot 326
Pair of diamond earrings
×1.3 high estimate
Estimate USD 5k – 8k
USD 9,600
$8,960price paid
Lot 366
A spinel and diamond bracelet
×0.6 high estimate
Estimate USD 12k – 15k
USD 8,960
$8,960price paid
Lot 388
A diamond pendant necklace
×0.7 high estimate
Estimate USD 8k – 12k
USD 8,960
$8,320price paid
Lot 340
Pair of diamond earrings
×0.9 high estimate
Estimate USD 7k – 9k
USD 8,320
$7,680price paid
Lot 409
A tourmaline, cultured pearl and diamond necklace
×1.1 high estimate
Estimate USD 5k – 7k
USD 7,680
$6,400price paid
Lot 393
A sapphire and diamond ring
×1.8 high estimate
Estimate USD 3k – 4k
USD 6,400
$6,144price paid
Lot 418
A diamond brooch, france
×1.0 high estimate
Estimate USD 4k – 6k
USD 6,144
$4,864price paid
Lot 387
A ruby and diamond bangle
×1.6 high estimate
Estimate USD 2k – 3k
USD 4,864
$4,480price paid
Lot 302
A colored diamond brooch
×0.9 high estimate
Estimate USD 3k – 5k
USD 4,480
$4,096price paid
Lot 353
A paste bib necklace, circa 1880
×0.7 high estimate
Estimate USD 4k – 6k
USD 4,096
$3,584price paid
Lot 347
An amethyst and diamond ring
×0.3 high estimate
Estimate USD 8k – 12k
USD 3,584
Lot 372
An emerald and diamond bracelet
Colombia · Minor oil
Estimate USD 75k – 95k
Not sold
Lot 392
A diamond necklace, italy
Estimate USD 25k – 35k
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 12 June 2025. Photographs © Bonhams 2025.
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 370 · $114,800
A fancy intense green diamond ring
2.11 ct · Fancy Intense Green · GIA 6471355958

