An Important French Convertible Diamond and Platinum Necklace/Brooches

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

8

An Antique Russian Emerald, Diamond, and Gold Brooch

Estimate $8,000 - 12,000

Sold for  $10,080

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

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

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

40

A Ruby, Diamond, and Silver-Topped Gold Bracelet

Estimate $12,000 - 18,000

Sold for  $13,860

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

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

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

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

81

Boucheron

A Convertible Pair of Diamond and Gold Earclips

Estimate $8,000 - 12,000

Sold for  $11,970

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

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

93

Van Cleef & Arpels

A Pair of Emerald, Diamond, and Platinum Earrings

Estimate $70,000 - 90,000

Sold for  $100,800

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

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

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

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

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

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

123

A Pair of Diamond and White Gold Earrings

Estimate $2,000 - 4,000

Sold for  $3,780

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

131

Van Cleef & Arpels

A Pair of Diamond and Platinum Earclips

Estimate $23,000 - 27,000

Sold for  $34,020

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

136

A Fancy Vivid Yellow Diamond, Colored Diamond, and Gold Bracelet

Estimate $15,000 - 25,000

Sold for  $18,900

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

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

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

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