- Circa 1935
- Of spiral design, separates as to two clips, mounted in 18K yellow gold, signed René Boivin, with French assay marks and makers marks.
  
  Accompanied by a certificate of authenticity from René Boivin.

Collection of Mr. and Mrs. Earl Simcox Swensson

87

René Boivin

Retro Gold Double-Clip Brooch

Circa 1935
Of spiral design, separates as to two clips, mounted in 18K yellow gold, signed René Boivin, with French assay marks and makers marks.

Accompanied by a certificate of authenticity from René Boivin.

Estimate
$15,000 - 25,000

Sold for $24,130

Contact Specialist

Eva Violante
Head of Department, Americas
eviolante@phillips.com
+1 212 940 1316

Jewels

New York Auction 13 June 2023

1No Reserve
Pair of Antique Diamond Ear Pendants
Estimate $4,000 - 6,000 •
Sold for $10,160
2No Reserve
Diamond Brooch
Estimate $4,000 - 6,000 •
Sold for $8,890
3
Pair of Antique Diamond Earrings
Estimate $6,000 - 8,000
Sold for $16,510
4
Diamond Ring
Estimate $8,000 - 12,000
Sold for $7,620
5No Reserve
Antique Natural Pearl Pendant
Estimate $4,000 - 6,000 •
Sold for $7,620
6
Antique Natural Pearl and Diamond Necklace
Estimate $6,000 - 8,000
Sold for $11,430
7
Antique Emerald and Diamond Pendant
Estimate $20,000 - 30,000
Sold for $35,560
8
Antique Convertible Diamond Tiara/Necklace/Brooch
Estimate $10,000 - 15,000
Sold for $35,560
9No Reserve
Cultured Pearl, Pearl, Ruby and Diamond Choker
Estimate $3,000 - 5,000 •
Sold for $2,032
10
Ruby and Diamond Bracelet
Estimate $5,000 - 7,000
Sold for $3,556
11
Antique Diamond and Emerald Convertible Necklace/Pair of Bracelets
Estimate $6,000 - 10,000
Sold for $21,590
12
Antique Emerald and Diamond Brooch
Estimate $55,000 - 70,000
Sold for $57,150
13No Reserve
Ruby and Diamond Ring
Estimate $2,000 - 3,000 •
Sold for $1,651
14
Ruby, Natural Pearl, and Diamond Necklace
Estimate $6,000 - 8,000
Sold for $10,160
15
Opal and Diamond Brooch
Estimate $5,000 - 8,000
16No Reserve
Unmounted Sapphire
Estimate $3,000 - 5,000 •
Sold for $635
17
Unmounted Ruby
Estimate $22,000 - 35,000
Sold for $38,100
18
Unmounted Ruby
Estimate $10,000 - 15,000
Sold for $17,780
19
Pearl, Sapphire and Diamond Choker
Estimate $5,000 - 7,000
Sold for $8,255
20
Natural Pearl and Diamond Pendant
Estimate $5,000 - 7,000
Sold for $5,334
21No Reserve
Pair of Belle Époque Diamond and Pearl Brooches
Estimate $4,000 - 6,000 •
Sold for $6,096
22
Belle Époque Diamond Ring
Estimate $8,000 - 12,000
Sold for $13,335
23
Antique Diamond Ring
Estimate $20,000 - 30,000
Sold for $48,260
24
Pair of Diamond Earrings
Estimate $240,000 - 280,000
Sold for $279,400
25
Diamond Rivière Necklace
Estimate $6,000 - 8,000
Sold for $9,525
26
Diamond Brooch
Estimate $4,000 - 6,000
Sold for $4,826
27
Antique Ruby and Diamond Ring
Estimate $24,000 - 35,000
Sold for $48,260
28No Reserve
Art Deco Enamel and Gold Charm Necklace
Estimate $4,000 - 6,000 •
Sold for $7,620
29No Reserve
Cartier
Onyx and Mother-of-Pearl Quartz Desk Clock
Estimate $5,000 - 8,000 •
Sold for $12,065
30
Georges Fouquet
Art Deco Citrine and Diamond Pendant Necklace
Estimate $8,000 - 12,000
Sold for $10,160
31
Art Deco Emerald and Diamond Ring
Estimate $30,000 - 50,000
Sold for $114,300
32
Art Deco Emerald and Diamond Pendant Necklace
Estimate $5,000 - 7,000
Sold for $21,590
33
Suzanne Belperron
Citrine Cuff Bracelet, 'Tranche'
Estimate $20,000 - 30,000
Sold for $53,340
34
Emerald and Diamond Ring
Estimate $4,000 - 6,000
Sold for $33,020
35
Pair of Diamond Bracelets/Necklace
Estimate $60,000 - 80,000
Sold for $107,950
36
Diamond Ring
Estimate $4,000 - 6,000
Sold for $22,225
37
René Boivin
Magnificent Art Deco Sapphire and Diamond Brooch 'Starfish'
Estimate $500,000 - 800,000
Sold for $571,500
38
Sapphire Ring
Estimate $15,000 - 24,000
39
Diamond Brooch
Estimate $12,000 - 18,000
Sold for $24,130
40
Aquamarine and Diamond Ring
Estimate $8,000 - 12,000
Sold for $10,795
41
Pair of Ruby and Diamond Ear Pendants
Estimate $4,000 - 6,000
Sold for $6,985
42
Ruby and Diamond Brooch
Estimate $7,000 - 9,000
Sold for $15,240
43
Pair of Diamond and South Sea Pearl Earrings
Estimate $5,000 - 7,000
Sold for $11,430
44
Diamond Rivière Necklace
Estimate $100,000 - 150,000
Sold for $127,000
45
Boucheron
Pair of Emerald and Diamond Ear Clips
Estimate $6,000 - 8,000
Sold for $10,160
46
Emerald and Diamond Ring
Estimate $20,000 - 30,000
Sold for $21,590
47No Reserve
Pair of Diamond Earrings
Estimate $4,000 - 6,000 •
Sold for $3,048
48
Pair of Diamond Double-Clip Brooches
Estimate $5,000 - 7,000
Sold for $9,525
49
Cartier
Diamond Wristwatch, 'Himalia'
Estimate $15,000 - 25,000
50
Tiffany & Co.
Sapphire and Diamond Ring
Estimate $20,000 - 30,000
Sold for $24,130
51No Reserve
Fancy Pink Diamond, Colored Diamond, and Diamond Pendent Necklace
Estimate $5,000 - 7,000 •
Sold for $4,064
52
Diamond Ring
Estimate $8,000 - 12,000
Sold for $9,144
53
Colored Diamond and Diamond Bracelet
Estimate $35,000 - 55,000
Sold for $35,560
54
Jacques Hazard
Five Gold Antique-Style Model Cars
Estimate $8,000 - 12,000
Sold for $13,970
55No Reserve
South Sea Cultured Pearl Necklace
Estimate $4,000 - 6,000 •
Sold for $6,350
56
Art Deco Sapphire and Diamond Ring
Estimate $6,000 - 8,000
Sold for $9,525
57No Reserve
Pair of Art Deco Diamond and Platinum Earrings
Estimate $5,000 - 7,000 •
Sold for $17,780
58No Reserve
Art Deco Diamond and Aquamarine Brooch
Estimate $3,000 - 5,000 •
Sold for $5,334
59No Reserve
Pair of Art Deco Diamond Earrings
Estimate $4,000 - 6,000 •
Sold for $6,350
60No Reserve
Diamond and Onyx Ring
Estimate $4,000 - 6,000 •
Sold for $6,985
61No Reserve
Diamond and Onyx Bracelet
Estimate $4,000 - 6,000 •
Sold for $5,334
62
Mauboussin
Art Deco Diamond and Black Enamel Bracelet
Estimate $20,000 - 30,000
Sold for $33,020
63
Chaumet
Diamond Ring
Estimate $4,000 - 6,000
Sold for $8,890
64
Raymond C. Yard
Art Deco Ruby and Diamond Bracelet
Estimate $12,000 - 18,000
Sold for $30,480
65No Reserve
Art Deco Diamond Double-Clip Brooch
Estimate $5,000 - 7,000 •
Sold for $8,890
66
Art Deco Sapphire and Diamond Bracelet
Estimate $15,000 - 20,000
Sold for $21,590
67
Two Art Deco Diamond Clips
Estimate $15,000 - 25,000
Sold for $69,850
68
Georges Arfvidson & Cie
Set of Art Deco Diamond Ear Clips and Clip
Estimate $8,000 - 12,000
Sold for $24,130
69
Art Deco Diamond Bracelet
Estimate $6,000 - 8,000
Sold for $20,320
70
Van Cleef & Arpels
Art Deco Diamond and Sapphire Clip Brooch; Together with a Similar Clip
Estimate $30,000 - 50,000
71
Art Deco Diamond Bracelet, 'Escalier'
Estimate $8,000 - 12,000
Sold for $25,400
72
Boucheron Paris
Art Deco Diamond Necklace, 'Escalier'
Estimate $30,000 - 50,000
Sold for $95,250
73
Art Deco Diamond Ring
Estimate $5,000 - 7,000
Sold for $6,350
74
René Boivin
Art Deco Sapphire Cuff Bracelet
Estimate $15,000 - 20,000
Sold for $82,550
75
Suzanne Belperron
Art Deco Silver Collar Necklace
Estimate $12,000 - 18,000
Sold for $69,850
76
Art Deco Diamond, Chalcedony, and Banded Agate Pendant Necklace
Estimate $6,000 - 8,000
Sold for $15,240
77
Van Cleef & Arpels
Art Deco Diamond Brooch
Estimate $20,000 - 30,000
Sold for $25,400
78
Jean Després
Art Deco Silver Necklace
Estimate $30,000 - 50,000
79
Ruby Ring
Estimate $5,000 - 8,000
80No Reserve
Retro Gold Bracelet
Estimate $5,000 - 7,000 •
Sold for $6,985
81No Reserve
Retro Bi-Colored Gold Bracelet
Estimate $5,000 - 7,000 •
Sold for $8,255
82No Reserve
Retro Gold Bracelet
Estimate $5,000 - 7,000 •
Sold for $5,334
83No Reserve
Retro Gold Bracelet
Estimate $5,000 - 7,000 •
Sold for $6,985
84
Cartier
Gold Necklace
Estimate $8,000 - 12,000
Sold for $50,800
85No Reserve
Cartier
Gold Bracelet
Estimate $5,000 - 7,000 •
Sold for $22,860
86No Reserve
Spaulding & Co.
Modernist Gold Bracelet
Estimate $5,000 - 7,000 •
Sold for $25,400
87
René Boivin
Retro Gold Double-Clip Brooch
Estimate $15,000 - 25,000
Sold for $24,130
88
René Boivin
Wood Suite, 'Osselet'
Estimate $18,000 - 26,000
Sold for $66,040
89
Cartier
Gold Necklace
Estimate $8,000 - 12,000
Sold for $27,940
90
Gold Choker Necklace
Estimate $10,000 - 15,000
Sold for $16,510
91
David Webb
Rock Crystal and Diamond Link Necklace
Estimate $15,000 - 25,000
Sold for $35,560
92
Verdura
Gold Bracelet, 'Curb-Link'
Estimate $10,000 - 15,000
Sold for $16,510
93
Verdura
Gold Necklace, 'Curb-Link'
Estimate $15,000 - 25,000
Sold for $25,400
94No Reserve
Diamond and Gold Necklace
Estimate $4,000 - 6,000 •
Sold for $5,715
95
Angela Cummings
Set of Black Jade Jewelry
Estimate $7,000 - 9,000
Sold for $17,780
96
Aldo Cipullo for Cartier
Onyx and Lapis Lazuli Necklace
Estimate $20,000 - 30,000
Sold for $40,640
97No Reserve
Aldo Cipullo for Cartier
Pair of Onyx and Agate Ear Clips
Estimate $2,000 - 3,000 •
Sold for $6,985
98
Aldo Cipullo for Cartier
Lapis Lazuli and Onyx Bracelet
Estimate $8,000 - 12,000
Sold for $19,050
99
Aldo Cipullo
Onyx and Gold Necklace
Estimate $20,000 - 30,000
Sold for $57,150
100
Georges Lenfant for Mauboussin
Gold Bracelet, 'Cheops'
Estimate $10,000 - 12,000
Sold for $19,050
101
Georges Lenfant for Mauboussin
Gold Necklace, 'Cheops'
Estimate $30,000 - 50,000
Sold for $38,100
102No Reserve
Margherita Burgener
Pair of Chalcedony and Diamond Ear Pendants
Estimate $3,000 - 5,000 •
Sold for $6,350
103No Reserve
Margherita Burgener
Pair of Diamond and Sapphire Ear Clips
Estimate $4,000 - 6,000 •
Sold for $5,334
104
Sapphire and Diamond Ring
Estimate $30,000 - 50,000
Sold for $35,560
105
Piranesi
Pair of Sapphire and Diamond Earrings
Estimate $30,000 - 50,000
Sold for $53,340
106
Bulgari
Diamond Bracelet 'Serpenti Viper'
Estimate $45,000 - 65,000
Sold for $101,600
107
Harry Winston
Diamond Ring
Estimate $100,000 - 150,000
Sold for $120,650
108
Verdura
Black Jade, Diamond, and Gem-Set Cuff, 'Maltese Cross'
Estimate $25,000 - 35,000
Sold for $27,940
109No Reserve
Color-Change Sapphire Ring
Estimate $7,000 - 10,000 •
Sold for $17,780
110No Reserve
Van Cleef & Arpels
Malachite Bracelet, 'Vintage Alhambra'
Estimate $2,000 - 4,000 •
Sold for $5,334
111No Reserve
Van Cleef & Arpels
Malachite Bracelet, 'Vintage Alhambra'
Estimate $2,000 - 4,000 •
Sold for $6,096
112No Reserve
Van Cleef & Arpels
Malachite Necklace, 'Vintage Alhambra'
Estimate $5,000 - 7,000 •
Sold for $10,795
113
Van Cleef & Arpels
Pair of Citrine and Sapphire Earrings, 'Hawaii'
Estimate $5,000 - 7,000
Sold for $8,255
114
Andre Vassort
Gold and Diamond Necklace
Estimate $25,000 - 35,000
115
Pair of Diamond Ear Clips
Estimate $22,000 - 32,000
116
Buccellati
Ruby and Diamond Bracelet
Estimate $30,000 - 50,000
Sold for $33,020
117
Cartier
Pair of Ruby Cufflinks
Estimate $6,000 - 8,000
Sold for $7,620
118No Reserve
Cartier
Diamond and Gold Bracelet, 'C Heart'
Estimate $3,000 - 5,000 •
Sold for $6,985
119No Reserve
Cartier
Gold Wristwatch, 'Calibre de Cartier'
Estimate $8,000 - 12,000 •
Sold for $19,050
120
Diamond Brooch
Estimate $6,000 - 8,000
Sold for $8,255
121No Reserve
Cartier
Gold Wristwatch, 'Roadster Chronograph'
Estimate $10,000 - 15,000 •
Sold for $12,065
122No Reserve
Piaget
Diamond and Gem-Set Ring
Estimate $4,000 - 6,000 •
Sold for $2,794
123
Zolotas
Set of Gold Jewelry
Estimate $10,000 - 15,000
Sold for $16,510
124
Important Fancy Intense Yellow Diamond Ring
Estimate $1,000,000 - 1,500,000
125No Reserve
Bulgari
Gold Wristwatch, 'Bulgari Bulgari'
Estimate $3,000 - 5,000 •
Sold for $6,985
126No Reserve
Bulgari
Gold Ring
Estimate $2,000 - 4,000 •
Sold for $2,032
127
Bulgari
Gold Chain
Estimate $6,000 - 8,000
Sold for $12,700
128No Reserve
Bulgari
Pair of Citrine, Tourmaline and Amethyst Ear Clips
Estimate $2,000 - 4,000 •
Sold for $5,334
129No Reserve
Bulgari
Tourmaline Ring
Estimate $2,000 - 4,000 •
Sold for $5,080
130No Reserve
Bulgari
Diamond Ring
Estimate $2,000 - 4,000 •
Sold for $5,334
131No Reserve
Bulgari
Sapphire Ring
Estimate $2,000 - 4,000 •
Sold for $5,334
132
Bulgari
Gold and Ancient Coin Bracelet, 'Monete'
Estimate $6,000 - 8,000
Sold for $17,780
133No Reserve
Bulgari
Pair of Ancient Coin and Gold Ear Clips, 'Monete'
Estimate $3,000 - 5,000 •
Sold for $6,096
134
Bulgari
Diamond and Ancient Coin Necklace, 'Monete'
Estimate $18,000 - 30,000
Sold for $30,480
135No Reserve
Bulgari
Ancient Coin and Gold Ring, 'Monete'
Estimate $2,000 - 4,000 •
Sold for $6,096
136No Reserve
Bulgari
Diamond and Gold Ring
Estimate $3,000 - 5,000 •
Sold for $5,080
137
Bulgari
Pair of Diamond Earrings, 'Doppio Cuore'
Estimate $6,000 - 8,000
Sold for $19,050
138
Bulgari
Pair of Diamond Ear Clips
Estimate $6,000 - 8,000
Sold for $21,590
139
Bulgari
Diamond Necklace
Estimate $40,000 - 70,000
Sold for $165,100
140
Bulgari
Diamond Cuff Bracelet
Estimate $30,000 - 50,000
Sold for $69,850
141
Bulgari
Important Diamond Necklace
Estimate $60,000 - 120,000
Sold for $228,600