Sales/Results·Sotheby's New York·9 December 2025·Live auction N11815
High Jewelry
$29.7m in total, buyer’s premium included
Top lots per carat 12 lots · the highest prices per carat of the sale
$733,046per carat
Lot 156
Rare unmounted fancy intense blue diamond 3.48
3.48 ct · Fancy Intense Blue · Internally Flawless
×0.9 high estimate
Estimate USD 2.00m – 3.00m
USD 2,551,000$733,046 per carat
$335,979per carat
Lot 129
Charming natural pearl and fancy blue diamond necklace
3.78 ct · Fancy Blue · VS1
×1.1 high estimate
Estimate USD 800k – 1.20m
USD 1,270,000$335,979 per carat
$281,575per carat
Lot 170
Rare fancy vivid orangy pink diamond ring 3.27
3.27 ct · Fancy Vivid Orangy Pink · VVS1
×0.8 high estimate
Estimate USD 800k – 1.20m
USD 920,750$281,575 per carat
$173,076per carat
Lot 159
Very fine emerald and diamond ring
5.43 ct · Colombia
×3.8 high estimate
Estimate USD 150k – 250k
USD 939,800$173,076 per carat
$106,355per carat
Lot 122
Sapphire and diamond ring 4.06
4.06 ct · Kashmir · No heat
×0.7 high estimate
Estimate USD 300k – 600k
USD 431,800$106,355 per carat
$88,020per carat
Lot 116
Fancy orangy pink diamond and diamond ring
2.02 ct · Fancy Orangy Pink · VS1
×0.7 high estimate
Estimate USD 150k – 250k
USD 177,800$88,020 per carat
$87,615per carat
Lot 160
Historically important 'Jonker vi' diamond ring
22.85 ct · VVS1
×1.3 high estimate
Estimate USD 1.00m – 1.50m
USD 2,002,000$87,615 per carat
$77,982per carat
Lot 188
Fancy vivid yellow-green diamond and diamond ring
2.28 ct · Fancy Vivid Yellow-Green · SI1
×0.7 high estimate
Estimate USD 150k – 250k
USD 177,800$77,982 per carat
$76,418per carat
Lot 184
Fine sapphire and diamond ring 6.98
6.98 ct · Kashmir · No heat
×0.8 high estimate
Estimate USD 500k – 700k
USD 533,400$76,418 per carat
$54,358per carat
Lot 117
Diamond ring
5.14 ct · Internally Flawless
×0.9 high estimate
Estimate USD 200k – 300k
USD 279,400$54,358 per carat
$51,626per carat
Lot 181
Sapphire and diamond ring
6.15 ct · Kashmir · No heat
×0.9 high estimate
Estimate USD 250k – 350k
USD 317,500$51,626 per carat
$50,000per carat
Lot 163
Unmounted fancy vivid yellow diamond
5.08 ct · Fancy Vivid Yellow · Internally Flawless
×0.8 high estimate
Estimate USD 200k – 300k
USD 254,000$50,000 per carat
Sapphires 13 lots
$106,355per carat
Lot 122
Sapphire and diamond ring 4.06
4.06 ct · Kashmir · No heat
×0.7 high estimate
Estimate USD 300k – 600k
USD 431,800$106,355 per carat
$76,418per carat
Lot 184
Fine sapphire and diamond ring 6.98
6.98 ct · Kashmir · No heat
×0.8 high estimate
Estimate USD 500k – 700k
USD 533,400$76,418 per carat
$51,626per carat
Lot 181
Sapphire and diamond ring
6.15 ct · Kashmir · No heat
×0.9 high estimate
Estimate USD 250k – 350k
USD 317,500$51,626 per carat
$43,155per carat
Lot 204
Sapphire and diamond ring 12.36
12.36 ct · Kashmir · No heat
×1.1 high estimate
Estimate USD 300k – 500k
USD 533,400$43,155 per carat
$29,195per carat
Lot 191
Sapphire and diamond ring
5.22 ct · Kashmir · No heat
×0.6 high estimate
Estimate USD 150k – 250k
USD 152,400$29,195 per carat
$24,053per carat
Lot 134
Sapphire and diamond ring
2.64 ct · Kashmir · No heat
×0.8 high estimate
Estimate USD 60k – 80k
USD 63,500$24,053 per carat
$16,216per carat
Lot 124
Sapphire ring
17.23 ct · Burma · No heat
×2.8 high estimate
Estimate USD 70k – 100k
USD 279,400$16,216 per carat
$15,796per carat
Lot 209
Sapphire and diamond ring
20.10 ct · Burma · No heat
×1.6 high estimate
Estimate USD 150k – 200k
USD 317,500$15,796 per carat
$7,618per carat
Lot 195
Sapphire and diamond ring
23.34 ct · Ceylon · No heat
×0.9 high estimate
Estimate USD 150k – 200k
USD 177,800$7,618 per carat
$5,506per carat
Lot 199
Sapphire and diamond ring
41.52 ct · Ceylon · No heat
×0.9 high estimate
Estimate USD 150k – 250k
USD 228,600$5,506 per carat
$165,100price paid
Lot 234
Sapphire and diamond earclips, france
Thailand · No heat
×1.4 high estimate
Estimate USD 80k – 120k
USD 165,100
$457,200price paid
Lot 235
Sapphire and diamond necklace-bracelet-clip-brooch combination, france
Australia · No heat
×0.8 high estimate
Estimate USD 350k – 550k
USD 457,200
$44,194per carat
Lot 142
Colored sapphire, tourmaline and diamond necklace
5.46 ct
×1.2 high estimate
Estimate USD 100k – 200k
USD 241,300$44,194 per carat
Emeralds 5 lots
Colombia
$173,076per carat
Lot 159
Very fine emerald and diamond ring
5.43 ct · Colombia
×3.8 high estimate
Estimate USD 150k – 250k
USD 939,800$173,076 per carat
$37,954per carat
Lot 112
Emerald and diamond ring
4.35 ct · Colombia
×0.8 high estimate
Estimate USD 150k – 200k
USD 165,100$37,954 per carat
$9,047per carat
Lot 202
Emerald and diamond pendant-necklace
22.46 ct · Colombia
×0.8 high estimate
Estimate USD 150k – 250k
USD 203,200$9,047 per carat
$127,000price paid
Lot 201
Pair of emerald and diamond pendant-earclips
Colombia
×0.8 high estimate
Estimate USD 100k – 150k
USD 127,000
Lot 185
Emerald and diamond ring
14.49 ct · Colombia
Estimate USD 200k – 300k
Not sold
Coloured diamonds 15 lots
$733,046per carat
Lot 156
Rare unmounted fancy intense blue diamond 3.48
3.48 ct · Fancy Intense Blue · Internally Flawless
×0.9 high estimate
Estimate USD 2.00m – 3.00m
USD 2,551,000$733,046 per carat
$335,979per carat
Lot 129
Charming natural pearl and fancy blue diamond necklace
3.78 ct · Fancy Blue · VS1
×1.1 high estimate
Estimate USD 800k – 1.20m
USD 1,270,000$335,979 per carat
$281,575per carat
Lot 170
Rare fancy vivid orangy pink diamond ring 3.27
3.27 ct · Fancy Vivid Orangy Pink · VVS1
×0.8 high estimate
Estimate USD 800k – 1.20m
USD 920,750$281,575 per carat
$88,020per carat
Lot 116
Fancy orangy pink diamond and diamond ring
2.02 ct · Fancy Orangy Pink · VS1
×0.7 high estimate
Estimate USD 150k – 250k
USD 177,800$88,020 per carat
$77,982per carat
Lot 188
Fancy vivid yellow-green diamond and diamond ring
2.28 ct · Fancy Vivid Yellow-Green · SI1
×0.7 high estimate
Estimate USD 150k – 250k
USD 177,800$77,982 per carat
$50,000per carat
Lot 163
Unmounted fancy vivid yellow diamond
5.08 ct · Fancy Vivid Yellow · Internally Flawless
×0.8 high estimate
Estimate USD 200k – 300k
USD 254,000$50,000 per carat
$38,421per carat
Lot 126
Fancy intense yellow diamond and diamond ring
18.18 ct · Fancy Intense Yellow · VS1
×2.3 high estimate
Estimate USD 200k – 300k
USD 698,500$38,421 per carat
$37,042per carat
Lot 114
Fancy vivid yellow-orange diamond and diamond ring
0.96 ct · Fancy Vivid Yellow-Orange · I1
×0.7 high estimate
Estimate USD 30k – 50k
USD 35,560$37,042 per carat
$24,612per carat
Lot 166
Fancy vivid yellow diamond and diamond ring
5.16 ct · Fancy Vivid Yellow · VVS2
×0.8 high estimate
Estimate USD 110k – 150k
USD 127,000$24,612 per carat
$19,426per carat
Lot 194
Fancy intense yellow diamond and diamond ring 20.92
20.92 ct · Fancy Intense Yellow · VS1
×0.8 high estimate
Estimate USD 300k – 500k
USD 406,400$19,426 per carat
$17,006per carat
Lot 168
Fancy yellow diamond ring 20.91
20.91 ct · Fancy Yellow · VS2
×0.7 high estimate
Estimate USD 300k – 500k
USD 355,600$17,006 per carat
$10,140per carat
Lot 167
Fancy yellow diamond and diamond ring
20.04 ct · Fancy Yellow · VVS2
×0.9 high estimate
Estimate USD 180k – 220k
USD 203,200$10,140 per carat
$469,900price paid
Lot 186
Pair of fancy intense yellow diamond and diamond pendant-earrings 14.15
Fancy Intense Yellow · VS1
×0.8 high estimate
Estimate USD 400k – 600k
USD 469,900
Lot 120
Fancy vivid yellow diamond and diamond ring
12.51 ct · Fancy Vivid Yellow · Internally Flawless
Estimate USD 450k – 650k
Not sold
Lot 169
Fancy vivid orangy yellow diamond ring
4.06 ct · Fancy Vivid Orangy Yellow · VVS2
Estimate USD 200k – 300k
Not sold
Colourless diamonds 8 lots
$87,615per carat
Lot 160
Historically important 'Jonker vi' diamond ring
22.85 ct · VVS1
×1.3 high estimate
Estimate USD 1.00m – 1.50m
USD 2,002,000$87,615 per carat
$37,259per carat
Lot 121
Diamond ring 11.93
11.93 ct · VS1
×1.4 high estimate
Estimate USD 275k – 325k
USD 444,500$37,259 per carat
$32,845per carat
Lot 147
Attractive diamond ring 12.76
12.76 ct · VVS1
×0.7 high estimate
Estimate USD 400k – 600k
USD 419,100$32,845 per carat
$28,951per carat
Lot 141
Diamond ring
19.74 ct · SI1
×1.6 high estimate
Estimate USD 250k – 350k
USD 571,500$28,951 per carat
$20,279per carat
Lot 192
Diamond ring
10.02 ct · VS2
×0.9 high estimate
Estimate USD 175k – 225k
USD 203,200$20,279 per carat
$228,600price paid
Lot 210
Pair of diamond earrings
×0.8 high estimate
Estimate USD 200k – 300k
USD 228,600
Lot 190
Impressive unmounted diamond 30.23
30.23 ct · SI1
Estimate USD 1.00m – 2.00m
Not sold
Lot 127
Pair of diamond pendant-earrings
Internally Flawless
Estimate USD 250k – 350k
Not sold
Pearls and cultured pearls 3 lots
Natural pearls
$335,979per carat
Lot 129
Charming natural pearl and fancy blue diamond necklace
3.78 ct · Fancy Blue · VS1
×1.1 high estimate
Estimate USD 800k – 1.20m
USD 1,270,000$335,979 per carat
$114,300price paid
Lot 183
Pair of natural pearl and diamond pendant-earrings
×1.9 high estimate
Estimate USD 40k – 60k
USD 114,300
$95,250price paid
Lot 165
Natural pearl and diamond double clip-brooch
×2.7 high estimate
Estimate USD 25k – 35k
USD 95,250
Signed jewels 84 lots
$44,194per carat
Lot 142
Colored sapphire, tourmaline and diamond necklace
5.46 ct
×1.2 high estimate
Estimate USD 100k – 200k
USD 241,300$44,194 per carat
$60,960price paid
Lot 133
Gold and hardstone intaglio necklace and bracelet
×1.0 high estimate
Estimate USD 40k – 60k
USD 60,960
$114,300price paid
Lot 135
Gold and diamond suite of jewels
×1.4 high estimate
Estimate USD 60k – 80k
USD 114,300
$406,400price paid
Lot 229
Emerald, citrine and diamond sautoir
×4.5 high estimate
Estimate USD 70k – 90k
USD 406,400
$51,626per carat
Lot 181
Sapphire and diamond ring
6.15 ct · Kashmir · No heat
×0.9 high estimate
Estimate USD 250k – 350k
USD 317,500$51,626 per carat
$165,100price paid
Lot 111
Diamond, ruby and emerald ring
×2.5 high estimate
Estimate USD 45k – 65k
USD 165,100
$76,200price paid
Lot 113
Pink gold and diamond 'Serpenti viper' wristwatch
×1.0 high estimate
Estimate USD 60k – 80k
USD 76,200
$37,042per carat
Lot 114
Fancy vivid yellow-orange diamond and diamond ring
0.96 ct · Fancy Vivid Yellow-Orange · I1
×0.7 high estimate
Estimate USD 30k – 50k
USD 35,560$37,042 per carat
$19,050price paid
Lot 217
Two-color gold bracelet
×1.3 high estimate
Estimate USD 10k – 15k
USD 19,050
Lot 120
Fancy vivid yellow diamond and diamond ring
12.51 ct · Fancy Vivid Yellow · Internally Flawless
Estimate USD 450k – 650k
Not sold
$317,500price paid
Lot 119
Fancy colored diamond, diamond and lacquer necklace, france
×0.8 high estimate
Estimate USD 200k – 400k
USD 317,500
$215,900price paid
Lot 164
Diamond bracelet, france
×3.1 high estimate
Estimate USD 50k – 70k
USD 215,900
$101,600price paid
Lot 182
Emerald and diamond bracelet
×1.3 high estimate
Estimate USD 60k – 80k
USD 101,600
$101,600price paid
Lot 123
Sapphire and diamond necklace and bracelet
×1.7 high estimate
Estimate USD 40k – 60k
USD 101,600
$95,250price paid
Lot 180
Ruby, emerald, onyx and diamond pendant-necklace, the 'Tutti Frutti' pendant by Cartier
×1.0 high estimate
Estimate USD 60k – 100k
USD 95,250
$95,250price paid
Lot 165
Natural pearl and diamond double clip-brooch
×2.7 high estimate
Estimate USD 25k – 35k
USD 95,250
$63,500price paid
Lot 118
Pair of fancy vivid yellow diamond, diamond, and lacquer earclips, france
×1.3 high estimate
Estimate USD 30k – 50k
USD 63,500
$48,260price paid
Lot 178
Emerald, ruby, and diamond 'Tutti Frutti' clip
×2.4 high estimate
Estimate USD 15k – 20k
USD 48,260
Lot 125
Pair of diamond earclips
Estimate USD 180k – 280k
Not sold
$508,000price paid
Lot 138
Nephrite, amethyst, ruby, and diamond 'Demon mask' necklace-brooch combination
×16.9 high estimate
Estimate USD 20k – 30k
USD 508,000
$38,100price paid
Lot 136
Gold, amethyst and diamond cuff-bracelet
×0.8 high estimate
Estimate USD 30k – 50k
USD 38,100
$25,400price paid
Lot 137
Pair of diamond and emerald earclips
×0.8 high estimate
Estimate USD 20k – 30k
USD 25,400
$24,130price paid
Lot 139
Emerald, yellow sapphire, ruby, diamond and enamel clip-brooch
×1.2 high estimate
Estimate USD 15k – 20k
USD 24,130
$69,850price paid
Lot 146
Pair of colored stone, diamond and colored diamond 'Alpha and omega' earrings
Burma · No heat
×0.9 high estimate
Estimate USD 60k – 80k
USD 69,850
$82,550price paid
Lot 207
Diamond 'Infinity' bracelet
×0.9 high estimate
Estimate USD 70k – 90k
USD 82,550
$87,615per carat
Lot 160
Historically important 'Jonker vi' diamond ring
22.85 ct · VVS1
×1.3 high estimate
Estimate USD 1.00m – 1.50m
USD 2,002,000$87,615 per carat
$165,100price paid
Lot 193
Diamond necklace
×1.8 high estimate
Estimate USD 70k – 90k
USD 165,100
$139,700price paid
Lot 108
Copper and spessartine garnet bracelet
×1.2 high estimate
Estimate USD 80k – 120k
USD 139,700
$69,850price paid
Lot 105
White gold and diamond ring
×1.0 high estimate
Estimate USD 50k – 70k
USD 69,850
$69,850price paid
Lot 104
Pair of mammoth ivory and diamond pendant-earclips
×1.4 high estimate
Estimate USD 30k – 50k
USD 69,850
$63,500price paid
Lot 109
Pair of copper and spessartine garnet earclips
×1.1 high estimate
Estimate USD 40k – 60k
USD 63,500
$63,500price paid
Lot 106
Pair of green sapphire, sapphire and peridot earclips
×1.3 high estimate
Estimate USD 30k – 50k
USD 63,500
$44,450price paid
Lot 110
Pair of copper and diamond earrings
×1.3 high estimate
Estimate USD 25k – 35k
USD 44,450
$27,940price paid
Lot 107
Copper and diamond ring
×1.0 high estimate
Estimate USD 18k – 28k
USD 27,940
$355,600price paid
Lot 155
Pair of spinel, sapphire and diamond 'Physalis' pendant-earclips, paris JAR
×0.7 high estimate
Estimate USD 300k – 500k
USD 355,600
$279,400price paid
Lot 154
Ruby and diamond ring
×0.9 high estimate
Estimate USD 200k – 300k
USD 279,400
$24,053per carat
Lot 134
Sapphire and diamond ring
2.64 ct · Kashmir · No heat
×0.8 high estimate
Estimate USD 60k – 80k
USD 63,500$24,053 per carat
$54,358per carat
Lot 117
Diamond ring
5.14 ct · Internally Flawless
×0.9 high estimate
Estimate USD 200k – 300k
USD 279,400$54,358 per carat
$88,020per carat
Lot 116
Fancy orangy pink diamond and diamond ring
2.02 ct · Fancy Orangy Pink · VS1
×0.7 high estimate
Estimate USD 150k – 250k
USD 177,800$88,020 per carat
$16,477per carat
Lot 145
Diamond ring
5.01 ct · VS2
×1.0 high estimate
Estimate USD 65k – 85k
USD 82,550$16,477 per carat
$48,260price paid
Lot 179
Colored stone and diamond bracelet, france
×0.8 high estimate
Estimate USD 30k – 60k
USD 48,260
Lot 189
Diamond bracelet, france
Estimate USD 250k – 350k
Not sold
$7,618per carat
Lot 195
Sapphire and diamond ring
23.34 ct · Ceylon · No heat
×0.9 high estimate
Estimate USD 150k – 200k
USD 177,800$7,618 per carat
$241,300price paid
Lot 176
Diamond bracelet
×1.0 high estimate
Estimate USD 150k – 250k
USD 241,300
$152,400price paid
Lot 174
Diamond bracelet
×2.2 high estimate
Estimate USD 50k – 70k
USD 152,400
$107,950price paid
Lot 173
Pair of gold and diamond earclips
×2.0 high estimate
Estimate USD 35k – 55k
USD 107,950
$88,900price paid
Lot 175
Pair of diamond earclips
×1.5 high estimate
Estimate USD 40k – 60k
USD 88,900
$38,100price paid
Lot 171
Sapphire ring
×0.8 high estimate
Estimate USD 30k – 50k
USD 38,100
$38,100price paid
Lot 172
Gold and diamond brooch
×0.8 high estimate
Estimate USD 30k – 50k
USD 38,100
$48,260price paid
Lot 128
Diamond wristwatch
×3.2 high estimate
Estimate USD 10k – 15k
USD 48,260
$173,076per carat
Lot 159
Very fine emerald and diamond ring
5.43 ct · Colombia
×3.8 high estimate
Estimate USD 150k – 250k
USD 939,800$173,076 per carat
$53,340price paid
Lot 158
Diamond brooch
×1.8 high estimate
Estimate USD 20k – 30k
USD 53,340
$69,850price paid
Lot 197
Pair of sapphire and diamond earclips
×1.4 high estimate
Estimate USD 30k – 50k
USD 69,850
$9,833per carat
Lot 143
Fine spinel and diamond clip-brooch
33.58 ct · Ceylon · No heat
×3.3 high estimate
Estimate USD 70k – 100k
USD 330,200$9,833 per carat
$16,510price paid
Lot 131
Gold and micromosaic brooch and pair of earrings, retailed by Tiffany & Co.
×1.4 high estimate
Estimate USD 8k – 12k
USD 16,510
$1,636,000price paid
Lot 236
Exceptional sapphire and diamond ring
×1.8 high estimate
Estimate USD 700k – 900k
USD 1,636,000
$457,200price paid
Lot 235
Sapphire and diamond necklace-bracelet-clip-brooch combination, france
Australia · No heat
×0.8 high estimate
Estimate USD 350k – 550k
USD 457,200
$330,200price paid
Lot 162
Diamond bracelet
×0.9 high estimate
Estimate USD 250k – 350k
USD 330,200
$254,000price paid
Lot 230
Suite of emerald and diamond jewels, france
×3.0 high estimate
Estimate USD 65k – 85k
USD 254,000
$241,300price paid
Lot 232
Pair of 'Mystery-set' ruby and diamond earclips, france
×1.6 high estimate
Estimate USD 100k – 150k
USD 241,300
$190,500price paid
Lot 225
Gold and diamond suite of 'Chevalerie' jewels, france
×2.4 high estimate
Estimate USD 60k – 80k
USD 190,500
$190,500price paid
Lot 140
Ruby and diamond 'Pélouse' bracelet
×3.2 high estimate
Estimate USD 40k – 60k
USD 190,500
$177,800price paid
Lot 101
Suite of gold and diamond 'Cheveux d'Ange' jewels, france
×2.5 high estimate
Estimate USD 50k – 70k
USD 177,800
$171,450price paid
Lot 103
Coral, chalcedony and diamond sautoir, france
×2.3 high estimate
Estimate USD 55k – 75k
USD 171,450
$165,100price paid
Lot 234
Sapphire and diamond earclips, france
Thailand · No heat
×1.4 high estimate
Estimate USD 80k – 120k
USD 165,100
$152,400price paid
Lot 152
'Mystery-set' ruby and diamond 'Two butterfly' ring, france
×1.3 high estimate
Estimate USD 80k – 120k
USD 152,400
$139,700price paid
Lot 231
'Mystery-set' ruby and diamond ring, france
×1.7 high estimate
Estimate USD 60k – 80k
USD 139,700
$139,700price paid
Lot 233
Pair of 'Mystery-set' sapphire and diamond earclips, france
×1.7 high estimate
Estimate USD 60k – 80k
USD 139,700
$127,000price paid
Lot 151
Diamond and 'Mystery-set' sapphire ring
×1.3 high estimate
Estimate USD 75k – 100k
USD 127,000
$114,300price paid
Lot 226
Gold and diamond necklace-bracelet combination, france
×1.9 high estimate
Estimate USD 40k – 60k
USD 114,300
$88,900price paid
Lot 227
Gold and diamond 'Trevise' pendant-brooch and pair of earclips, france
×1.5 high estimate
Estimate USD 40k – 60k
USD 88,900
$82,550price paid
Lot 222
Gold, coral, onyx and necklace-bracelet combination, pendant-brooch and pair of earring pendants, france
×1.4 high estimate
Estimate USD 40k – 60k
USD 82,550
$82,550price paid
Lot 223
Gold and chalcedony sautoir, france
×2.8 high estimate
Estimate USD 20k – 30k
USD 82,550
$76,200price paid
Lot 228
Gold and diamond suite of jewels, france
×1.3 high estimate
Estimate USD 40k – 60k
USD 76,200
$69,850price paid
Lot 102
Gold and diamond 'Dentelle' clip-brooch and pair of earclips
×1.4 high estimate
Estimate USD 30k – 50k
USD 69,850
$60,960price paid
Lot 218
Ruby bracelet, france
×2.0 high estimate
Estimate USD 20k – 30k
USD 60,960
$44,450price paid
Lot 213
Gold and diamond 'Olympia' necklace, france
×1.3 high estimate
Estimate USD 25k – 35k
USD 44,450
$38,100price paid
Lot 212
Two-color gold and diamond evening bag, france
×1.1 high estimate
Estimate USD 25k – 35k
USD 38,100
$38,100price paid
Lot 153
Diamond 'Oiseaux de paradis' ring
×1.5 high estimate
Estimate USD 15k – 25k
USD 38,100
$31,750price paid
Lot 216
Pair of gold and diamond earclips, france
×1.1 high estimate
Estimate USD 20k – 30k
USD 31,750
$27,940price paid
Lot 219
Pair of ruby and diamond 'Cosmos' earclips, france
×1.4 high estimate
Estimate USD 15k – 20k
USD 27,940
$25,400price paid
Lot 214
Pair of gold, wood and diamond 'Clématite' earclips, france
×3.2 high estimate
Estimate USD 6k – 8k
USD 25,400
$15,240price paid
Lot 215
Gold and wood bracelet, france
×1.3 high estimate
Estimate USD 8k – 12k
USD 15,240
$40,640price paid
Lot 198
Yellow sapphire and diamond 'Wrapped heart' clip-brooch
×0.8 high estimate
Estimate USD 30k – 50k
USD 40,640
Other jewels 12 lots
$825,500price paid
Lot 130
Two impressive diamond necklaces
×1.5 high estimate
Estimate USD 350k – 550k
USD 825,500
$34,648per carat
Lot 187
Diamond ring
9.53 ct · VS1
×1.1 high estimate
Estimate USD 200k – 300k
USD 330,200$34,648 per carat
$317,500price paid
Lot 206
Pair of light pink diamond and diamond pendant-earrings
VS2
×0.9 high estimate
Estimate USD 250k – 350k
USD 317,500
$190,500price paid
Lot 211
Diamond bracelet
×0.8 high estimate
Estimate USD 150k – 250k
USD 190,500
$29,535per carat
Lot 196
Diamond ring
6.02 ct · VS1
×1.0 high estimate
Estimate USD 120k – 180k
USD 177,800$29,535 per carat
$28,319per carat
Lot 205
Diamond ring
5.83 ct · VVS1
×0.9 high estimate
Estimate USD 120k – 180k
USD 165,100$28,319 per carat
$165,100price paid
Lot 203
Pair of sapphire and diamond pendant-earclips
×2.1 high estimate
Estimate USD 60k – 80k
USD 165,100
$36,028per carat
Lot 200
Diamond ring
4.23 ct
×1.5 high estimate
Estimate USD 70k – 100k
USD 152,400$36,028 per carat
$95,250price paid
Lot 115
Pair of diamond earrings
VS2
×0.5 high estimate
Estimate USD 100k – 200k
USD 95,250
$76,200price paid
Lot 132
Silver-topped gold, sapphire and diamond necklace-bracelet combination and pendant-brooch
×1.4 high estimate
Estimate USD 35k – 55k
USD 76,200
$11,390per carat
Lot 157
Spinel ring
6.69 ct · Burma · No heat
×1.9 high estimate
Estimate USD 20k – 40k
USD 76,200$11,390 per carat
$10,948per carat
Lot 144
Unmounted alexandrite
5.22 ct · Brazil
×1.1 high estimate
Estimate USD 30k – 50k
USD 57,150$10,948 per carat
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 9 December 2025. Photographs © Sotheby’s 2025.
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 156 · $2.6m
Rare unmounted fancy intense blue diamond 3.48
3.48 ct · Fancy Deep Blue · GIA 5232465410

