Sales/Results·Bonhams London·21 April 2021·Live auction 26716
Knightsbridge Jewels
$589k in total, buyer’s premium included
Top lots per carat 4 lots · the highest prices per carat of the sale
$9,039per carat
Lot 116
Graff: sapphire and diamond 'Bullseye' pendant/necklace
1.08 ct
×1.2 high estimate
Estimate USD 6k – 8k
USD 9,762$9,039 per carat
$5,824per carat
Lot 101
Diamond single-stone ring
1.28 ct · D · VS2
×0.9 high estimate
Estimate USD 6k – 8k
USD 7,455$5,824 per carat
$4,970per carat
Lot 80
Diamond single-stone ring
1.00 ct · E · IF
×1.2 high estimate
Estimate USD 3k – 4k
USD 4,970$4,970 per carat
$2,958per carat
Lot 115
Graff: sapphire and diamond 'Bullseye' ring
1.50 ct
×0.6 high estimate
Estimate USD 4k – 7k
USD 4,437$2,958 per carat
Sapphires 6 lots
Lot 3
Sapphire and diamond ring
4.23 ct · Ceylon · No heat
Estimate USD 5k – 6k
Not sold
$9,039per carat
Lot 116
Graff: sapphire and diamond 'Bullseye' pendant/necklace
1.08 ct
×1.2 high estimate
Estimate USD 6k – 8k
USD 9,762$9,039 per carat
$2,958per carat
Lot 115
Graff: sapphire and diamond 'Bullseye' ring
1.50 ct
×0.6 high estimate
Estimate USD 4k – 7k
USD 4,437$2,958 per carat
$6,745price paid
Lot 114
Graff: sapphire and diamond 'Bullseye' earrings
2.25 ct
×0.6 high estimate
Estimate USD 7k – 11k
USD 6,745
$4,970price paid
Lot 100
Graff: pink sapphire and diamond necklace
3.08 ct
×1.2 high estimate
Estimate USD 3k – 4k
USD 4,970
$1,420price paid
Lot 110
Sapphire and diamond cluster ring and sapphire and diamond pendant/necklace
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,420
Pearls and cultured pearls 7 lots
Cultured pearls
$6,212price paid
Lot 112
Turquoise, cultured pearl and diamond-set pendent earclips
×3.7 high estimate
Estimate USD 1k – 2k
USD 6,212
$2,662price paid
Lot 82
De vroomen: cultured pearl, diamond and enamel choker,
×1.0 high estimate
Estimate USD 2k – 3k
USD 2,662
$2,485price paid
Lot 96
David morris: cultured pearl and diamond-set necklace
×0.9 high estimate
Estimate USD 2k – 3k
USD 2,485
$1,686price paid
Lot 44
Cultured pearl and diamond-set pendant earrings
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,686
Lot 146
Cultured pearl and diamond pendent earrings
Estimate USD 8k – 11k
Not sold
Lot 117
Cartier: cultured pearl 'Dolphin' necklace
Estimate USD 6k – 8k
Not sold
Lot 62
Cultured pearl and diamond brooch
Estimate USD 5k – 6k
Not sold
Signed jewels 54 lots
$2,130price paid
Lot 81
Asprey: ruby and diamond-set ring,
×1.0 high estimate
Estimate USD 2k – 2k
USD 2,130
$1,775price paid
Lot 39
Asprey: enamel and gold cufflinks,
×1.8 high estimate
Estimate USD 696 – 974
USD 1,775
$3,195price paid
Lot 18
Bellarri: multi gem-set and diamond pendant/brooch and earrings suite (2)
×1.1 high estimate
Estimate USD 2k – 3k
USD 3,195
Lot 125
Boodles: diamond 'Raindance' cross pendant/necklace, 2005
Estimate USD 6k – 8k
Not sold
$16,862price paid
Lot 89
Bulgari: diamond-set coin necklace
×2.4 high estimate
Estimate USD 4k – 7k
USD 16,862
$976price paid
Lot 79
Bulgari: 'Tondo' pendant/necklace
×1.0 high estimate
Estimate USD 696 – 974
USD 976
Lot 121
Bulgari: 'B.zero1' ring
Estimate USD 1k – 2k
Not sold
$3,905price paid
Lot 64
Cartier: diamond ring
×0.9 high estimate
Estimate USD 3k – 4k
USD 3,905
$3,550price paid
Lot 90
Cartier: gem-set and diamond ring,
×0.8 high estimate
Estimate USD 3k – 4k
USD 3,550
$3,017price paid
Lot 68
Cartier: diamond-set ring
×1.1 high estimate
Estimate USD 2k – 3k
USD 3,017
$2,485price paid
Lot 34
Cartier: 'Trinity' cufflinks
×1.5 high estimate
Estimate USD 1k – 2k
USD 2,485
$1,775price paid
Lot 67
Cartier: bicoloured diamond-set ring
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,775
Lot 117
Cartier: cultured pearl 'Dolphin' necklace
Estimate USD 6k – 8k
Not sold
$4,437price paid
Lot 105
Charles de temple: citrine bracelet,
×2.1 high estimate
Estimate USD 2k – 2k
USD 4,437
Lot 17
Chaumet: multi gem-set spray brooch,
Estimate USD 3k – 4k
Not sold
$2,485price paid
Lot 96
David morris: cultured pearl and diamond-set necklace
×0.9 high estimate
Estimate USD 2k – 3k
USD 2,485
$2,662price paid
Lot 82
De vroomen: cultured pearl, diamond and enamel choker,
×1.0 high estimate
Estimate USD 2k – 3k
USD 2,662
Lot 139
De vroomen: enamel earclips,
Estimate USD 974 – 1k
Not sold
$4,970price paid
Lot 119
Fabergé: enamel and diamond egg pendant,
×2.4 high estimate
Estimate USD 1k – 2k
USD 4,970
$2,840price paid
Lot 135
Giované: rock crystal diamond and onyx brooch
×1.4 high estimate
Estimate USD 1k – 2k
USD 2,840
$22,970price paid
Lot 149
Graff: ruby ring
×0.8 high estimate
Estimate USD 21k – 28k
USD 22,970
$21,230price paid
Lot 133
Graff: sapphire cluster earrings
×0.6 high estimate
Estimate USD 28k – 35k
USD 21,230
$17,749price paid
Lot 108
Graff: emerald earrings
×0.5 high estimate
Estimate USD 28k – 35k
USD 17,749
$17,749price paid
Lot 130
Graff: sapphire and diamond 'Gypsy' earrings
×0.8 high estimate
Estimate USD 17k – 21k
USD 17,749
$14,199price paid
Lot 142
Graff: 'Diamond on diamond' earrings
×1.3 high estimate
Estimate USD 7k – 11k
USD 14,199
$9,039per carat
Lot 116
Graff: sapphire and diamond 'Bullseye' pendant/necklace
1.08 ct
×1.2 high estimate
Estimate USD 6k – 8k
USD 9,762$9,039 per carat
$7,455price paid
Lot 122
Graff: sapphire and diamond 'Rosette' pendant/necklace
×1.1 high estimate
Estimate USD 4k – 7k
USD 7,455
$7,100price paid
Lot 128
Graff: diamond 'Halo' ring
×0.6 high estimate
Estimate USD 7k – 11k
USD 7,100
$6,745price paid
Lot 99
Graff: floral diamond necklace
×0.6 high estimate
Estimate USD 8k – 11k
USD 6,745
$6,745price paid
Lot 114
Graff: sapphire and diamond 'Bullseye' earrings
2.25 ct
×0.6 high estimate
Estimate USD 7k – 11k
USD 6,745
$4,970price paid
Lot 100
Graff: pink sapphire and diamond necklace
3.08 ct
×1.2 high estimate
Estimate USD 3k – 4k
USD 4,970
$2,958per carat
Lot 115
Graff: sapphire and diamond 'Bullseye' ring
1.50 ct
×0.6 high estimate
Estimate USD 4k – 7k
USD 4,437$2,958 per carat
$2,840price paid
Lot 126
Graff: diamond cross pendant/necklace
×0.7 high estimate
Estimate USD 3k – 4k
USD 2,840
Lot 150
Graff: ruby and diamond chandelier earrings
Estimate USD 28k – 42k
Not sold
Lot 151
Graff: diamond bracelet
Estimate USD 28k – 42k
Not sold
$2,307price paid
Lot 63
H. stern: topaz necklace and earring suite (2)
×1.1 high estimate
Estimate USD 1k – 2k
USD 2,307
$1,686price paid
Lot 120
Hattie rickards: gem-set 'Tube' ring,
×1.5 high estimate
Estimate USD 835 – 1k
USD 1,686
$3,195price paid
Lot 138
Leo de vroomen: carnelian and enamel necklace
×1.1 high estimate
Estimate USD 2k – 3k
USD 3,195
$1,597price paid
Lot 106
Minas spiridis for georg jensen: ring, circa 1990
×1.3 high estimate
Estimate USD 974 – 1k
USD 1,597
$3,905price paid
Lot 22
Picchiotti: sapphire and diamond bracelet
×2.3 high estimate
Estimate USD 1k – 2k
USD 3,905
$5,325price paid
Lot 9
Theo fennell: diamond-set 'Art' and 'Devil art' charm bracelet,
×1.0 high estimate
Estimate USD 4k – 6k
USD 5,325
$3,017price paid
Lot 13
Theo fennell: topaz and diamond pendent earrings
×1.4 high estimate
Estimate USD 1k – 2k
USD 3,017
$1,775price paid
Lot 19
Theo fennell: citrine and yellow sapphire cluster ring
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,775
$7,100price paid
Lot 86
Schlumberger for tiffany: ruby and diamond eternity ring
×1.5 high estimate
Estimate USD 3k – 5k
USD 7,100
$3,550price paid
Lot 83
Tiffany: aquamarine and diamond earrings,
×1.3 high estimate
Estimate USD 2k – 3k
USD 3,550
$3,550price paid
Lot 129
Tiffany: diamond-set 'Metro' bangle,
×1.3 high estimate
Estimate USD 2k – 3k
USD 3,550
$3,372price paid
Lot 2
Tiffany: peridot and diamond earrings
×1.2 high estimate
Estimate USD 2k – 3k
USD 3,372
$2,130price paid
Lot 66
Elsa peretti for tiffany: silver 'Aegean' necklace
×1.0 high estimate
Estimate USD 1k – 2k
USD 2,130
$1,509price paid
Lot 98
Tiffany: ring, pansy earrings and diamond and ruby-set flower earclips,
×0.9 high estimate
Estimate USD 1k – 2k
USD 1,509
$1,420price paid
Lot 43
Tissot: diamond-set wristwatch
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,420
$3,550price paid
Lot 127
Tom ford: diamond dress studs (4)
×1.0 high estimate
Estimate USD 3k – 3k
USD 3,550
$3,905price paid
Lot 53
Trianon: shell brooch and earclip suite
×0.9 high estimate
Estimate USD 3k – 4k
USD 3,905
Lot 123
Vhernier: chalcedony 'Bisquit' ring and pair of chalcedony 'Plateau' earclips, (2)
Estimate USD 3k – 4k
Not sold
$8,875price paid
Lot 54
Wander: ruby and diamond-set watch/bracelet,
×0.9 high estimate
Estimate USD 7k – 10k
USD 8,875
Vintage 6 lots
$15,974price paid
Lot 156
Diamond bangle, late 19th century
×1.9 high estimate
Estimate USD 6k – 8k
USD 15,974
$14,199price paid
Lot 77
Belle epoque ruby and diamond brooch,
×1.7 high estimate
Estimate USD 6k – 8k
USD 14,199
$2,662price paid
Lot 33
Pair of rock crystal intaglio cufflinks, circa 1900
×1.3 high estimate
Estimate USD 2k – 2k
USD 2,662
$2,130price paid
Lot 14
Synthetic ruby and diamond-set dress ring, circa 1940
×0.8 high estimate
Estimate USD 2k – 3k
USD 2,130
$976price paid
Lot 87
Pair of gem-set cufflinks, circa 1900
×1.0 high estimate
Estimate USD 696 – 974
USD 976
Lot 75
Art Deco diamond cocktail watch,
Estimate USD 1k – 2k
Not sold
Other jewels 87 lots
$11,537price paid
Lot 136
Rock crystal, diamond and onyx-set bangle
×1.7 high estimate
Estimate USD 4k – 7k
USD 11,537
$10,650price paid
Lot 155
Diamond single-stone ring
×1.3 high estimate
Estimate USD 6k – 8k
USD 10,650
$10,650price paid
Lot 158
Single-stone diamond ring
×1.3 high estimate
Estimate USD 6k – 8k
USD 10,650
$9,762price paid
Lot 145
Diamond, sapphire and ruby three-stone ring
×1.0 high estimate
Estimate USD 7k – 10k
USD 9,762
$8,875price paid
Lot 102
Diamond spray brooch
×0.9 high estimate
Estimate USD 7k – 10k
USD 8,875
$8,875price paid
Lot 70
Diamond dove brooch/pendant,
×1.8 high estimate
Estimate USD 3k – 5k
USD 8,875
$8,520price paid
Lot 152
Emerald and diamond cluster ring,
×1.0 high estimate
Estimate USD 6k – 8k
USD 8,520
$7,810price paid
Lot 118
Single-stone diamond ring
×1.9 high estimate
Estimate USD 3k – 4k
USD 7,810
$7,100price paid
Lot 41
Coral, onyx and diamond necklace, circa 1970
×0.8 high estimate
Estimate USD 6k – 8k
USD 7,100
$7,100price paid
Lot 1
Aquamarine and diamond pendant/necklace, 1976 and pendent earrings, 1987 (2)
×1.7 high estimate
Estimate USD 3k – 4k
USD 7,100
$7,100price paid
Lot 58
Diamond single-stone ring
×1.7 high estimate
Estimate USD 3k – 4k
USD 7,100
$6,745price paid
Lot 73
Diamond star brooch,
×1.6 high estimate
Estimate USD 3k – 4k
USD 6,745
$6,212price paid
Lot 157
Diamond earstuds
×1.0 high estimate
Estimate USD 5k – 6k
USD 6,212
$6,212price paid
Lot 52
Ruby, pink sapphire and diamond bracelet
×1.1 high estimate
Estimate USD 5k – 6k
USD 6,212
$5,680price paid
Lot 23
Fancy-link bracelet
×0.7 high estimate
Estimate USD 6k – 8k
USD 5,680
$5,680price paid
Lot 154
Diamond bow brooch,
×1.2 high estimate
Estimate USD 3k – 5k
USD 5,680
$5,325price paid
Lot 12
Ruby and diamond bombé dress ring
×0.6 high estimate
Estimate USD 6k – 8k
USD 5,325
$5,325price paid
Lot 141
Emerald and diamond-set ring
×1.0 high estimate
Estimate USD 4k – 6k
USD 5,325
$4,970price paid
Lot 31
Jade and diamond ring
×1.0 high estimate
Estimate USD 4k – 5k
USD 4,970
$4,970price paid
Lot 153
Diamond eternity ring
×1.2 high estimate
Estimate USD 3k – 4k
USD 4,970
$4,970price paid
Lot 56
Diamond earstuds
×1.4 high estimate
Estimate USD 2k – 3k
USD 4,970
$4,970price paid
Lot 16
Diamond single-stone ring,
×1.8 high estimate
Estimate USD 2k – 3k
USD 4,970
$4,970price paid
Lot 97
Diamond cluster earrings
×1.8 high estimate
Estimate USD 2k – 3k
USD 4,970
$4,437price paid
Lot 48
Gold plaque necklace and bracelet set with coloured gemstone cabochons, one gemstone on necklace missinig
×1.1 high estimate
Estimate USD 3k – 4k
USD 4,437
$4,437price paid
Lot 50
Sapphire and diamond cluster ring
×1.1 high estimate
Estimate USD 3k – 4k
USD 4,437
$4,437price paid
Lot 107
Emerald and diamond-set serpent necklace
×1.6 high estimate
Estimate USD 2k – 3k
USD 4,437
$3,550price paid
Lot 49
Tanzanite, emerald and diamond-set dress ring
×0.6 high estimate
Estimate USD 4k – 6k
USD 3,550
$3,550price paid
Lot 10
Tourmaline-set bracelet,
×0.8 high estimate
Estimate USD 3k – 4k
USD 3,550
$3,550price paid
Lot 57
Aquamarine and diamond ring
×0.8 high estimate
Estimate USD 3k – 4k
USD 3,550
$3,550price paid
Lot 76
Diamond-set spaniel brooch
×1.3 high estimate
Estimate USD 2k – 3k
USD 3,550
$3,550price paid
Lot 72
Diamond line bracelet
×1.7 high estimate
Estimate USD 1k – 2k
USD 3,550
$3,372price paid
Lot 143
Emerald and diamond-set bracelet
×1.2 high estimate
Estimate USD 2k – 3k
USD 3,372
$3,372price paid
Lot 6
Aquamarine ring
×2.0 high estimate
Estimate USD 1k – 2k
USD 3,372
$3,195price paid
Lot 95
Sapphire and diamond-set floral cluster ring and earclip suite (2)
×1.0 high estimate
Estimate USD 3k – 3k
USD 3,195
$3,017price paid
Lot 147
Diamond line bracelet
×1.4 high estimate
Estimate USD 2k – 2k
USD 3,017
$2,840price paid
Lot 8
Diamond earstuds
×1.0 high estimate
Estimate USD 2k – 3k
USD 2,840
$2,840price paid
Lot 65
Diamond cluster ring and two diamond-set hinged bangles (3)
×1.7 high estimate
Estimate USD 1k – 2k
USD 2,840
$2,662price paid
Lot 103
Tank bracelet,
×1.0 high estimate
Estimate USD 2k – 3k
USD 2,662
$2,485price paid
Lot 21
Blue zircon and diamond-set ring,
×0.9 high estimate
Estimate USD 2k – 3k
USD 2,485
$2,485price paid
Lot 37
Gold cigarette case, 1925
×0.9 high estimate
Estimate USD 2k – 3k
USD 2,485
$2,485price paid
Lot 15
Multi gem-set necklace
×1.5 high estimate
Estimate USD 1k – 2k
USD 2,485
$2,307price paid
Lot 74
Diamond earstuds
×1.1 high estimate
Estimate USD 1k – 2k
USD 2,307
$2,307price paid
Lot 91
Pendent earrings
×1.1 high estimate
Estimate USD 2k – 2k
USD 2,307
$2,307price paid
Lot 69
Opal and diamond cluster ring
×1.4 high estimate
Estimate USD 1k – 2k
USD 2,307
$2,130price paid
Lot 29
Diamond cluster ring
×1.0 high estimate
Estimate USD 1k – 2k
USD 2,130
$2,130price paid
Lot 134
Amethyst and diamond brooch
×1.3 high estimate
Estimate USD 1k – 2k
USD 2,130
$2,130price paid
Lot 25
Diamond bracelet
×1.5 high estimate
Estimate USD 1k – 1k
USD 2,130
$1,952price paid
Lot 78
Diamond eternity ring
×0.9 high estimate
Estimate USD 1k – 2k
USD 1,952
$1,952price paid
Lot 104
Ruby and diamond-set earclips,
×0.9 high estimate
Estimate USD 2k – 2k
USD 1,952
$1,775price paid
Lot 5
Diamond cluster earrings
×0.8 high estimate
Estimate USD 2k – 2k
USD 1,775
$1,775price paid
Lot 32
Sapphire, ruby and diamond ring and earring suite (2)
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,775
$1,775price paid
Lot 71
Jade and diamond brooch
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,775
$1,686price paid
Lot 40
Collection of cufflinks
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,686
$1,686price paid
Lot 45
Five-strand coral and enamel necklace (2)
×1.5 high estimate
Estimate USD 835 – 1k
USD 1,686
$1,597price paid
Lot 26
Diamond plaque ring,
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,597
$1,597price paid
Lot 38
Collection of cufflinks
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,597
$1,597price paid
Lot 113
Diamond and pearl brooch/pin
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,597
$1,597price paid
Lot 55
Aquamarine and diamond necklace and earrings
×1.3 high estimate
Estimate USD 974 – 1k
USD 1,597
$1,597price paid
Lot 30
Diamond cluster earrings
×1.4 high estimate
Estimate USD 835 – 1k
USD 1,597
$1,509price paid
Lot 36
Diamond-set cufflinks
×0.9 high estimate
Estimate USD 1k – 2k
USD 1,509
$1,420price paid
Lot 7
Diamond eternity ring
×0.8 high estimate
Estimate USD 1k – 2k
USD 1,420
$1,420price paid
Lot 27
Diamond earclips
×1.5 high estimate
Estimate USD 696 – 974
USD 1,420
$1,420price paid
Lot 46
Three diamond rings (3)
×1.5 high estimate
Estimate USD 696 – 974
USD 1,420
$1,331price paid
Lot 24
Diamond single-stone ring
×1.4 high estimate
Estimate USD 696 – 974
USD 1,331
$1,242price paid
Lot 137
Rock crystal, amethyst and diamond bracelet
×1.0 high estimate
Estimate USD 974 – 1k
USD 1,242
$1,065price paid
Lot 35
Diamond-set cufflinks
×1.1 high estimate
Estimate USD 696 – 974
USD 1,065
$976price paid
Lot 59
Ruby and diamond half-eternity ring
×0.9 high estimate
Estimate USD 835 – 1k
USD 976
$674price paid
Lot 47
Gem-set poodle brooch
×0.8 high estimate
Estimate USD 557 – 835
USD 674
Lot 144
Diamond and sapphire ring
2.20 ct · H · SI1
Estimate USD 11k – 14k
Not sold
Lot 42
Lapis lazuli and diamond-set dress ring, circa 1970
Estimate USD 4k – 7k
Not sold
Lot 88
Fancy-link bracelet
Estimate USD 4k – 7k
Not sold
Lot 60
Sapphire and diamond necklace
Estimate USD 5k – 6k
Not sold
Lot 92
Three gem-set bead necklaces
Estimate USD 4k – 6k
Not sold
Lot 94
Ruby and diamond ring
Estimate USD 3k – 5k
Not sold
Lot 20
Diamond and topaz pendant and earring suite,
Estimate USD 3k – 4k
Not sold
Lot 51
Diamond-set dress ring
Estimate USD 3k – 4k
Not sold
Lot 84
Diamond ring
Estimate USD 3k – 4k
Not sold
Lot 148
Gem-set bar brooch
Estimate USD 3k – 4k
Not sold
Lot 61
Tanzanite and diamond cluster ring
Estimate USD 3k – 3k
Not sold
Lot 85
Lapis lazuli dress ring
Estimate USD 2k – 3k
Not sold
Lot 4
Diamond flower dress ring
Estimate USD 1k – 2k
Not sold
Lot 28
Diamond brooch
Estimate USD 1k – 2k
Not sold
Lot 93
Ruby and diamond cluster ring
Estimate USD 1k – 2k
Not sold
Lot 11
Opal and diamond ring
Estimate USD 1k – 2k
Not sold
Lot 124
Coloured diamond and gem-set stick pin,
Estimate USD 1k – 2k
Not sold
Lot 140
Rock crystal intaglio clip brooch
Estimate USD 1k – 2k
Not sold
Lot 111
Diamond plaque ring
Estimate USD 696 – 974
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 21 April 2021. Photographs © Bonhams 2021.
Stones seen before
1 lot of this sale has been offered at auction before: the same stone, found by its laboratory report and weight. Resales
