- 1941
- Old European-cut diamonds, stated 3.18 cts.
  Old European-cut, single-cut, and carré-cut diamonds, total stated 2.51 cts.
  French maker's mark and assay marks
  Platinum and 18K white gold, length overall 2 inches, accompanied by a signed and fitted case with additional clip caps, and original receipt of purchase

72

René Boivin

A Diamond, White Gold, and Platinum Double-Clip Brooch

1941
Old European-cut diamonds, stated 3.18 cts.
Old European-cut, single-cut, and carré-cut diamonds, total stated 2.51 cts.
French maker's mark and assay marks
Platinum and 18K white gold, length overall 2 inches, accompanied by a signed and fitted case with additional clip caps, and original receipt of purchase

Estimate
$32,000 - 35,000

Sold for $40,320

Contact Specialist

Eva Violante

Senior Specialist, Head of Sale,

Jewellery

eviolante@phillips.com

+1 212 940 1316

Jewels

New York Auction 2 June 2022

1No Reserve
An Antique Rock Crystal, Diamond, and Platinum Necklace
Estimate $15,000 - 25,000 •
Sold for $16,380
2
An Antique Diamond and Silver Ring
Estimate $20,000 - 30,000
Sold for $40,320
3
A Pair of Georgian Diamond and Silver-Topped Gold Earrings
Estimate $5,000 - 8,000
Sold for $6,300
4
An Antique Emerald, Diamond, and Silver-Topped Gold Brooch
Estimate $18,000 - 26,000
Sold for $23,940
5
A Pair of Diamond and Silver-Topped Gold Earrings
Estimate $5,000 - 7,000
Sold for $5,292
6
A Victorian Diamond and Silver-Topped Gold Brooch
Estimate $4,000 - 6,000
Sold for $6,300
7
A Set of Egyptian Revival Micro-Mosaic and Gold Jewelry
Estimate $5,000 - 10,000
8
An Antique Russian Emerald, Diamond, and Gold Brooch
Estimate $8,000 - 12,000
Sold for $10,080
9
An Antique Emerald, Diamond, and Gold Ring
Estimate $12,000 - 18,000
10
An Antique French Diamond, Ruby, Gold, and Silver-Topped Gold Brooch
Estimate $8,000 - 12,000
Sold for $10,080
11
A Victorian Diamond, Ruby, and Gold Ring
Estimate $1,500 - 2,500
Sold for $4,788
12
A Victorian Diamond, Pearl, Ruby, Enamel, and Gold Pendent Necklace
Estimate $6,000 - 8,000
13
A Victorian Diamond and Silver-Topped Gold Brooch
Estimate $4,000 - 6,000
Sold for $8,190
14
An Antique Carved Moonstone, Diamond, and Silver-Topped Gold Brooch
Estimate $5,000 - 7,000
Sold for $5,670
15
A Pair of Diamond and Silver-Topped Gold Earrings
Estimate $35,000 - 50,000
Sold for $37,800
16
An Art Deco French Diamond and Platinum Bracelet
Estimate $12,000 - 18,000
Sold for $15,120
17
An Antique French Convertible Diamond and Silver-Topped Rose Gold Brooch/Earclips
Estimate $15,000 - 25,000
Sold for $30,240
18
A Victorian Diamond, Ruby, Platinum and Gold Brooch
Estimate $8,000 - 12,000
19
An Antique Diamond and Rhodium Plated Gold Brooch
Estimate $3,000 - 6,000
Sold for $2,772
20
An Edwardian Faint Pink Diamond, Diamond, Natural Pearl, and Platinum Pendant
Estimate $30,000 - 50,000
Sold for $37,800
21
A French Second Empire Diamond, Ruby, and Silver-topped Gold Brooch
Estimate $7,000 - 10,000
Sold for $16,380
22
An Edwardian Natural Conch Pearl, Diamond, and Platinum-Topped Gold Pendent Necklace
Estimate $4,500 - 6,500
Sold for $7,560
23
A Victorian Natural Pearl, Pearl, Silver, and Gold 'Scottish Luckenbooth' Bracelet
Estimate $4,000 - 6,000
Sold for $4,788
24
A Natural Pearl, Diamond, and Platinum Pendant
Estimate $20,000 - 30,000
Sold for $34,020
25
An Antique Set of Egyptian Revival Micro Mosaic and Vermeil Jewelry
Estimate $3,000 - 5,000
Sold for $2,772
26
A Holbeinesque Star Sapphire, Diamond, Pearl, Enamel and Gold Pendent Necklace
Estimate $6,000 - 10,000
Sold for $6,300
27
An Antique Emerald, Diamond, and Silver-Topped Gold Pendant Necklace
Estimate $15,000 - 20,000
Sold for $20,160
28
An Art Deco Emerald, Diamond, and Platinum Brooch
Estimate $10,000 - 15,000
Sold for $12,600
29
An Antique Diamond and White Gold Ring
Estimate $40,000 - 60,000
Sold for $50,400
30
Cartier
An Art Deco Enamel, Jadeite, Lapis Lazuli, and Brass Vanity Case
Estimate $5,000 - 8,000
Sold for $5,292
31
An Emerald, Ruby, Diamond, and Gold Necklace
Estimate $24,000 - 35,000
Sold for $30,240
32No Reserve
A Star Ruby, Diamond, White Gold and Gold Ring
Estimate $8,000 - 12,000 •
Sold for $14,490
33
A Pair of Antique Diamond, Enamel, and Gold Earrings
Estimate $3,000 - 5,000
Sold for $6,048
34
Cartier
An Art Deco Emerald, Coral, Onyx, Diamond, and Platinum Brooch
Estimate $20,000 - 30,000
Sold for $56,700
35
A Russian Pair of Diamond, Ruby, and Silver-Topped Gold Earrings
Estimate $1,500 - 2,500
Sold for $1,764
36
An Antique Jaipur Enamel, Diamond, and Gold Bangle
Estimate $4,000 - 6,000
Sold for $6,930
37
An Emerald, Diamond, and Platinum Ring
Estimate $10,000 - 15,000
Sold for $16,380
38
A Pair of Emerald, Diamond, and White Gold Earrings
Estimate $16,000 - 24,000
39
A Ruby, Diamond, and White Gold Necklace
Estimate $18,000 - 24,000
40
A Ruby, Diamond, and Silver-Topped Gold Bracelet
Estimate $12,000 - 18,000
Sold for $13,860
41
A Sapphire, Diamond, and Platinum Ring
Estimate $15,000 - 20,000
42No Reserve
A Diamond and Silver-Topped Gold Brooch
Estimate $2,000 - 3,000 •
Sold for $3,024
43
A Diamond, Ruby, and Platinum Brooch
Estimate $15,000 - 20,000
Sold for $15,120
44
Attributed to Demner
A Pair of Retro Diamond, Ruby, and Platinum 'Swallow' Earclips/Clips
Estimate $8,000 - 12,000
Sold for $15,120
45No Reserve
A Pair of Diamond and Blackened White Gold Earrings
Estimate $4,000 - 6,000 •
Sold for $8,190
46No Reserve
A Cultured Pearl, Diamond, and White Gold Ring
Estimate $5,000 - 8,000 •
Sold for $1,890
47
An Antique Pair of Diamond and Silver-Topped Gold Earrings
Estimate $6,000 - 8,000
Sold for $10,080
48
A Blue Zircon, Diamond, and Platinum Ring
Estimate $8,000 - 12,000
Sold for $13,860
49
A Diamond and Platinum Ring
Estimate $15,000 - 20,000
Sold for $25,200
50
Cartier
A Diamond and Platinum Wristwatch
Estimate $15,000 - 25,000
Sold for $16,380
51
Mauboussin
An Art Deco Diamond and Platinum Brooch
Estimate $5,000 - 10,000
Sold for $6,930
52
A Diamond and Platinum Ring
Estimate $6,000 - 8,000
Sold for $12,600
53
A Natural Pearl, Diamond, Enamel, and Gold Bangle Bracelet
Estimate $18,000 - 26,000
54
Pair of Art Deco Diamond, Onyx, and Platinum-Topped White Gold Earrings
Estimate $15,000 - 25,000
Sold for $23,940
55
An Edwardian Diamond and Platinum-Topped Gold Brooch
Estimate $3,000 - 6,000
Sold for $2,772
56
A French Art Deco Diamond and Platinum Bracelet
Estimate $22,000 - 40,000
Sold for $27,720
57
A French Art Deco Diamond and Platinum Brooch
Estimate $5,000 - 7,000
Sold for $6,930
58
A Diamond and Platinum Ring
Estimate $5,000 - 8,000
Sold for $16,380
59
A Pair of French Diamond and Platinum Clip Brooches
Estimate $6,000 - 12,000
Sold for $8,190
60
A Diamond and Platinum Ring
Estimate $50,000 - 80,000
61
Carvin French
A Ruby, Diamond, Gold, and Platinum Ring
Estimate $50,000 - 80,000
62
An Art Deco Diamond and Platinum Double-Clip Brooch
Estimate $7,000 - 10,000
Sold for $9,450
63
A Set of Diamond and Platinum Jewelry
Estimate $40,000 - 60,000
Sold for $44,100
64
Two Diamond and Platinum Clips
Estimate $4,000 - 6,000
Sold for $8,820
65
A Diamond and Platinum Ring
Estimate $8,000 - 12,000
Sold for $16,380
66
A Pair of Retro French Diamond and Platinum Earclips
Estimate $8,000 - 10,000
Sold for $20,160
67
An Art Deco Diamond and Platinum Bracelet
Estimate $20,000 - 30,000
Sold for $23,940
68No Reserve
A Natural Pearl, Diamond, and White Gold Pendant Necklace
Estimate $6,000 - 8,000 •
Sold for $6,930
69
A Natural Pearl, Emerald, Diamond, and Platinum Necklace
Estimate $15,000 - 18,000
Sold for $15,750
70
A Natural Pearl, Diamond, and Platinum Ring
Estimate $15,000 - 20,000
Sold for $17,640
71
A Diamond And Platinum Necklace
Estimate $15,000 - 24,000
Sold for $27,720
72
René Boivin
A Diamond, White Gold, and Platinum Double-Clip Brooch
Estimate $32,000 - 35,000
Sold for $40,320
73
Van Cleef & Arpels
A Diamond and Gold Necklace
Estimate $12,000 - 18,000
Sold for $15,120
74
Suzanne Belperron
An Aquamarine, Ruby and Diamond Brooch
Estimate $20,000 - 30,000
Sold for $25,200
75
Trabert and Hoeffer-Mauboussin
A Sapphire, Diamond, and Gold Bracelet
Estimate $24,000 - 35,000
Sold for $30,240
76
Boucheron
A Sapphire, Diamond, Platinum, and Gold Brooch
Estimate $20,000 - 30,000
77
A Diamond and Platinum Pendant
Estimate $15,000 - 25,000
Sold for $20,160
78
A Sapphire, Diamond, and Platinum Ring
Estimate $40,000 - 60,000
Sold for $50,400
79
A Pair of Diamond and Platinum Earrings
Estimate $35,000 - 45,000
Sold for $42,840
80
A Diamond and Platinum Ring
Estimate $120,000 - 180,000
81
Boucheron
A Convertible Pair of Diamond and Gold Earclips
Estimate $8,000 - 12,000
Sold for $11,970
82
Boivin
A Diamond and Gold Brooch
Estimate $8,000 - 12,000
83
René Boivin
A Tri-Colored Gold Double-Clip Brooch
Estimate $30,000 - 50,000
84
Paul Flato
A Retro Convertible Citrine, Diamond, and Gold Necklace/Pair of Brooches
Estimate $80,000 - 120,000
85
Paul Flato
A Coral, Multi-Gem, Gold, and Silver 'Puffy Heart' Brooch
Estimate $8,000 - 12,000
Sold for $10,080
86
Pierre Sterlé
A Pair of Turquoise and Gold Earclips
Estimate $3,000 - 5,000
Sold for $5,292
87
Paul Flato
A Pair of Diamond and Platinum Earclips/Clips
Estimate $10,000 - 15,000
88
A Sapphire, Diamond, and Platinum Ring
Estimate $180,000 - 260,000
Sold for $201,600
89
René Boivin
A Sapphire, Diamond, and Platinum Brooch
Estimate $180,000 - 260,000
Sold for $163,800
90
Lacloche
Diamond and Platinum Necklace
Estimate $80,000 - 120,000
Sold for $151,200
91
A Color Change Sapphire, Diamond, and White Gold Ring
Estimate $26,000 - 45,000
Sold for $30,240
92
Suzanne Belperron
A Suite of Amethyst, Colored Sapphire, Citrine, and Gold Jewelry
Estimate $120,000 - 220,000
93
Van Cleef & Arpels
A Pair of Emerald, Diamond, and Platinum Earrings
Estimate $70,000 - 90,000
Sold for $100,800
94
Harry Winston
An Emerald, Diamond, and Platinum Ring
Estimate $280,000 - 360,000
95
Bulgari
A Diamond, and Bi-Colored Gold 'Moneté' Necklace
Estimate $35,000 - 55,000
96
A Sapphire, Diamond, and Platinum Trombino Style Ring
Estimate $6,000 - 10,000
Sold for $15,120
97No Reserve
A Spinel, Diamond, and White Gold Ring
Estimate $6,000 - 9,000 •
Sold for $10,710
98
A Spinel, Diamond, and Gold Ring
Estimate $10,000 - 15,000
99
An Aquamarine, Sapphire, Turquoise, and Gold Ring
Estimate $3,000 - 5,000
Sold for $3,024
100
A French Aquamarine, Sapphire, Turquoise, Diamond, and Gold Brooch
Estimate $5,000 - 7,000
Sold for $8,820
101
Mauboussin
A Citrine, Sapphire, Diamonds, and White Gold Ring
Estimate $8,000 - 12,000
102No Reserve
A Sapphire, Diamond, and White Gold Ring
Estimate $9,000 - 12,000 •
Sold for $3,780
103
A Colored Sapphire, Diamond, and Platinum Trombino Style Ring
Estimate $8,000 - 12,000
Sold for $11,970
104
Sabbadini
A Pair of Colored Sapphire, Ruby, Diamond, Onyx, and Gold Earclips
Estimate $10,000 - 15,000
105
Amsterdam Sauer
A Set of Diamond and Gold Jewelry
Estimate $5,000 - 7,000
106
Amsterdam Sauer
A Diamond and Gold Bracelet
Estimate $15,000 - 20,000
107
Amsterdam Sauer
A Diamond and Gold Necklace
Estimate $20,000 - 30,000
108
A Pair of Diamond and Gold Earrings
Estimate $70,000 - 90,000
109
Tiffany & Co.
A Cultured South Sea Pearl, Diamond and Platinum Necklace
Estimate $15,000 - 20,000
110
A Pair of Coral, Turquoise, Diamond, and Gold Earclips
Estimate $4,000 - 8,000
Sold for $5,040
111
Schlumberger for Tiffany & Co.
A Spessartite Garnet and Gold Ring
Estimate $4,000 - 6,000
Sold for $4,032
112
Schlumberger for Tiffany & Co.
Pair of Natural Pearl, Diamond, Gold, and Platinum Earclips
Estimate $12,000 - 18,000
Sold for $17,640
113
A Ruby, Diamond, and Gold Ring
Estimate $6,000 - 10,000
114No Reserve
A Sapphire, Diamond, and Gold Ring
Estimate $12,000 - 18,000 •
Sold for $23,940
115
Cartier
A Diamond and Gold Ring
Estimate $10,000 - 20,000
Sold for $20,160
116
Cartier
A Set of Gold and Diamond Jewelry
Estimate $24,000 - 35,000
Sold for $40,320
117
A Diamond and Gold Bracelet
Estimate $12,000 - 15,000
118
A Pair of Diamond and Platinum Ear Studs
Estimate $140,000 - 180,000
119
A Ruby, Diamond, and White Gold Ring
Estimate $20,000 - 30,000
Sold for $27,720
120
A Pair of Ruby, Diamond, and Gold Earclips
Estimate $8,000 - 10,000
Sold for $9,450
121
Amsterdam Sauer
A Pair of Emerald, Diamond, and Gold Earclips
Estimate $20,000 - 40,000
Sold for $47,880
122
Amsterdam Sauer
An Emerald, Diamond, and Gold Ring
Estimate $100,000 - 150,000
123
A Pair of Diamond and White Gold Earrings
Estimate $2,000 - 4,000
Sold for $3,780
124
A Sapphire, Diamond, and White Gold Ring
Estimate $15,000 - 20,000
125
A Ruby, Diamond, and White Gold Brooch
Estimate $6,000 - 10,000
Sold for $9,450
126No Reserve
A Ruby, Diamond, and Platinum Ring
Estimate $8,000 - 12,000 •
Sold for $5,040
127
A Pair of Emerald, Diamond, and White Gold Earclips
Estimate $10,000 - 15,000
Sold for $17,640
128
An Emerald, Diamond, and Gold Ring
Estimate $24,000 - 35,000
Sold for $30,240
129
An English Diamond and Platinum Ring
Estimate $22,000 - 35,000
Sold for $44,100
130
An Emerald, Diamond, and Platinum Ring
Estimate $70,000 - 100,000
131
Van Cleef & Arpels
A Pair of Diamond and Platinum Earclips
Estimate $23,000 - 27,000
Sold for $34,020
132
An Emerald, Diamond, and White Gold Ring
Estimate $12,000 - 18,000
133
A Diamond and Platinum Ring
Estimate $220,000 - 320,000
Sold for $252,000
134
Graff
A Diamond, Emerald, and White Gold 'Baby Graff' Wristwatch
Estimate $35,000 - 45,000
Sold for $49,140
135
A Colored Diamond, Diamond, and Platinum Disc Pendant Necklace
Estimate $45,000 - 65,000
136
A Fancy Vivid Yellow Diamond, Colored Diamond, and Gold Bracelet
Estimate $15,000 - 25,000
Sold for $18,900
137
A Fancy Deep Colored Diamond, Colored Diamond, and Gold 'Cross' Pendant Necklace
Estimate $40,000 - 60,000
138
A Fancy Deep Brown-Yellow Diamond, Colored Diamond, and Gold Ring
Estimate $20,000 - 30,000
139
Mounted by Cartier
An Emerald, Colored Diamond, and Gold Ring
Estimate $65,000 - 100,000
Sold for $132,300
140
Van Cleef & Arpels
A Pair of Diamond, and Gold Earclips and a Pair of 'Invisibly-Set' Ruby, Diamond, and Gold Drop-Pendants
Estimate $60,000 - 80,000
Sold for $166,320
141
A Sapphire, Diamond, and Platinum Ring
Estimate $340,000 - 500,000
142
A Sapphire and Silver-Topped Gold Pendant
Estimate $35,000 - 55,000
Sold for $94,500
143
A Ruby, Diamond, and Platinum Ring
Estimate $30,000 - 50,000
Sold for $40,320
144
A Pair of Ruby, Diamond, and Platinum Earclips
Estimate $40,000 - 60,000
145
Mauboussin
A Diamond and Platinum Double-Clip Brooch
Estimate $10,000 - 15,000
Sold for $17,010
146
Mauboussin
Pair of Diamond and Platinum Earclips
Estimate $8,000 - 12,000
Sold for $26,460
147
A Diamond and White Gold Pendent Necklace
Estimate $40,000 - 60,000
Sold for $78,120
148
A Pair of Ruby, Diamond, and Bi-Colored Gold Earrings
Estimate $140,000 - 220,000
Sold for $144,900
149
A Diamond and Platinum Ring
Estimate $240,000 - 300,000
Sold for $289,800
150
A Pair of Diamond and Platinum Earclips
Estimate $20,000 - 30,000
Sold for $22,680
151
An Exceptional Sapphire, Diamond, and Platinum Ring
Estimate $600,000 - 800,000
152
An Outstanding Emerald and Gold Ring
Estimate $400,000 - 600,000
153
A Diamond and Platinum Bracelet
Estimate $60,000 - 80,000
Sold for $65,520
154
An Important French Convertible Diamond and Platinum Necklace/Brooches
Estimate $220,000 - 320,000
Sold for $277,200
155
An Outstanding Fancy Yellow Diamond, Diamond, Gold and Platinum Ring
Estimate $550,000 - 850,000
Sold for $816,500
156
A Magnificent Diamond and Platinum Ring
Estimate $850,000 - 1,250,000