New York Jewels

$2.69m in total, buyer’s premium included

76 of 106 lots sold

The sale on bonhams.com ↗︎

Top lots per carat 12 lots · the highest prices per carat of the sale

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$41,696per carat Lot 92 Impressive pair of diamond earrings, Cartier 2.55 ct · E · VVS2 ×1.1 high estimate Estimate USD 75k – 95k USD 106,325$41,696 per carat $14,728per carat Lot 60 Fine sapphire and diamond 'Trombino' ring, Bulgari 16.98 ct · Burma · No heat ×1.0 high estimate Estimate USD 180k – 250k USD 250,075$14,728 per carat $10,096per carat Lot 84 Fine sapphire and diamond ring 10.16 ct · Burma · No heat ×0.7 high estimate Estimate USD 90k – 140k USD 102,575$10,096 per carat $9,959per carat Lot 7 A fancy colored diamond and diamond ring 3.02 ct · Fancy Vivid Yellow · SI2 ×0.8 high estimate Estimate USD 28k – 38k USD 30,075$9,959 per carat $9,666per carat Lot 67 A fancy colored diamond and diamond ring 9.06 ct · Fancy Yellow · SI1 ×0.9 high estimate Estimate USD 70k – 100k USD 87,575$9,666 per carat $7,946per carat Lot 9 A diamond pendant 0.56 ct · Fancy Intense Yellow · SI1 ×1.1 high estimate Estimate USD 2k – 4k USD 4,450$7,946 per carat $5,996per carat Lot 88 A diamond ring 5.85 ct · L · VS1 ×1.8 high estimate Estimate USD 15k – 20k USD 35,075$5,996 per carat $5,741per carat Lot 47 A fancy colored diamond and diamond ring 6.98 ct · Fancy Yellow · SI1 ×1.0 high estimate Estimate USD 32k – 42k USD 40,075$5,741 per carat $2,316per carat Lot 28 A ruby and diamond ring 3.54 ct · Tanzania · No heat ×0.5 high estimate Estimate USD 10k – 15k USD 8,200$2,316 per carat $2,164per carat Lot 72 A sapphire and diamond ring, france 3.50 ct · No heat ×0.3 high estimate Estimate USD 15k – 25k USD 7,575$2,164 per carat $1,853per carat Lot 57 A sapphire and diamond ring 7.46 ct · Ceylon · No heat ×1.4 high estimate Estimate USD 7k – 10k USD 13,825$1,853 per carat $1,606per carat Lot 56 An alexandrite and diamond ring 8.61 ct · Ceylon · No oil ×1.7 high estimate Estimate USD 6k – 8k USD 13,825$1,606 per carat

Sapphires 15 lots

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AllBurma 3Ceylon 7Origin not reported 5

$14,728per carat Lot 60 Fine sapphire and diamond 'Trombino' ring, Bulgari 16.98 ct · Burma · No heat ×1.0 high estimate Estimate USD 180k – 250k USD 250,075$14,728 per carat $10,096per carat Lot 84 Fine sapphire and diamond ring 10.16 ct · Burma · No heat ×0.7 high estimate Estimate USD 90k – 140k USD 102,575$10,096 per carat Lot 82 A sapphire and diamond ring 4.05 ct · Burma · No heat Estimate USD 25k – 35k Not sold $1,853per carat Lot 57 A sapphire and diamond ring 7.46 ct · Ceylon · No heat ×1.4 high estimate Estimate USD 7k – 10k USD 13,825$1,853 per carat $1,347per carat Lot 43 A platinum, yellow sapphire and diamond 'Trombino' ring, Bulgari 10.26 ct · Ceylon · No heat ×0.7 high estimate Estimate USD 15k – 20k USD 13,825$1,347 per carat $1,199per carat Lot 26 A sapphire and diamond ring 12.57 ct · Ceylon · No heat ×0.8 high estimate Estimate USD 12k – 18k USD 15,075$1,199 per carat $741per carat Lot 53 A sapphire and diamond ring 18.65 ct · Ceylon · No heat ×0.8 high estimate Estimate USD 12k – 18k USD 13,825$741 per carat Lot 42 A sapphire and diamond ring, monture Cartier, france 10.70 ct · Ceylon · No heat Estimate USD 45k – 65k Not sold Lot 48 A fancy colored sapphire and diamond ring 7.46 ct · Ceylon · No heat Estimate USD 20k – 30k Not sold Lot 61 A yellow sapphire and diamond ring 10.89 ct · Ceylon · No heat Estimate USD 12k – 18k Not sold $2,164per carat Lot 72 A sapphire and diamond ring, france 3.50 ct · No heat ×0.3 high estimate Estimate USD 15k – 25k USD 7,575$2,164 per carat $7,575price paid Lot 81 A pink sapphire and diamond ring, Tiffany & Co. 2.56 ct ×0.8 high estimate Estimate USD 6k – 10k USD 7,575 $7,575price paid Lot 96 A sapphire, lapis lazuli and diamond ring ×1.5 high estimate Estimate USD 3k – 5k USD 7,575 Lot 68 Attractive sapphire and enamel ring, Cartier 26.60 ct · No heat Estimate USD 35k – 55k Not sold Lot 40 A fancy colored sapphire and diamond ring 6.07 ct · No heat Estimate USD 9k – 12k Not sold

Rubies 3 lots

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AllTanzania 1Burma 1Origin not reported 1

$2,316per carat Lot 28 A ruby and diamond ring 3.54 ct · Tanzania · No heat ×0.5 high estimate Estimate USD 10k – 15k USD 8,200$2,316 per carat Lot 85 Attractive pair of ruby and diamond earrings Burma · No heat Estimate USD 35k – 55k Not sold $5,325price paid Lot 79 A ruby, diamond and enamel brooch, marcus & co., ×1.1 high estimate Estimate USD 3k – 5k USD 5,325

Emeralds 1 lots

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Origin not reported

$10,075price paid Lot 65 An emerald and diamond ring 5.40 ct ×1.0 high estimate Estimate USD 6k – 10k USD 10,075

Coloured diamonds 8 lots

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$9,959per carat Lot 7 A fancy colored diamond and diamond ring 3.02 ct · Fancy Vivid Yellow · SI2 ×0.8 high estimate Estimate USD 28k – 38k USD 30,075$9,959 per carat $9,666per carat Lot 67 A fancy colored diamond and diamond ring 9.06 ct · Fancy Yellow · SI1 ×0.9 high estimate Estimate USD 70k – 100k USD 87,575$9,666 per carat $7,946per carat Lot 9 A diamond pendant 0.56 ct · Fancy Intense Yellow · SI1 ×1.1 high estimate Estimate USD 2k – 4k USD 4,450$7,946 per carat $5,741per carat Lot 47 A fancy colored diamond and diamond ring 6.98 ct · Fancy Yellow · SI1 ×1.0 high estimate Estimate USD 32k – 42k USD 40,075$5,741 per carat $1,280,075price paid Lot 102 Important pair of fancy colored diamond and diamond earrings Fancy Intense Blue · VS1 ×1.0 high estimate Estimate USD 850k – 1.25m USD 1,280,075 Lot 91 Very fine fancy colored diamond and diamond ring Fancy Pink-Purple · SI1 Estimate USD 350k – 550k Not sold Lot 45 A fancy colored diamond and diamond ring 8.08 ct · Fancy Intense Yellow · VS2 Estimate USD 120k – 180k Not sold Lot 46 A fancy colored diamond and diamond ring 3.05 ct · Fancy Vivid Yellow · VS2 Estimate USD 45k – 65k Not sold

Pearls and cultured pearls 4 lots

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AllNatural pearls 2Cultured pearls 1Pearls, type not stated 1

$11,950price paid Lot 30 A natural pearl and diamond ring ×2.2 high estimate Estimate USD 4k – 6k USD 11,950 $10,325price paid Lot 25 Pair of natural pearl, diamond and onyx earrings, rené boivin, ×1.1 high estimate Estimate USD 7k – 9k USD 10,325 $18,825price paid Lot 100 An 18k gold, cultured pearl and diamond necklace, henry dunay, together with a ring ×1.9 high estimate Estimate USD 6k – 10k USD 18,825 Lot 32 A platinum, seed pearl and diamond necklace, france, Estimate USD 15k – 25k Not sold

Signed jewels 36 lots

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AllBoucheron 1Buccellati 2Bulgari 4Cartier 11Chaumet 1David Webb 1Harry Winston 1Marcus & Co. 1Piaget 1René Boivin 1Rolex 2Seaman Schepps 1Tiffany & Co. 3Van Cleef & Arpels 6

$13,825price paid Lot 71 A ruby bracelet, Boucheron ×1.7 high estimate Estimate USD 5k – 8k USD 13,825 $7,575price paid Lot 18 An 18k gold and diamond necklace, Buccellati ×1.1 high estimate Estimate USD 5k – 7k USD 7,575 $6,575price paid Lot 14 An 18k gold bangle, Buccellati, italy ×1.3 high estimate Estimate USD 3k – 5k USD 6,575 $14,728per carat Lot 60 Fine sapphire and diamond 'Trombino' ring, Bulgari 16.98 ct · Burma · No heat ×1.0 high estimate Estimate USD 180k – 250k USD 250,075$14,728 per carat $25,075price paid Lot 101 An 18k gold and diamond 'Trika' bracelet, Bulgari, together with a pair of earclips ×1.3 high estimate Estimate USD 15k – 20k USD 25,075 $1,347per carat Lot 43 A platinum, yellow sapphire and diamond 'Trombino' ring, Bulgari 10.26 ct · Ceylon · No heat ×0.7 high estimate Estimate USD 15k – 20k USD 13,825$1,347 per carat $8,200price paid Lot 75 An 18k gold, steel, and gem-set bangle bracelet, Bulgari, italy ×1.4 high estimate Estimate USD 4k – 6k USD 8,200 $41,696per carat Lot 92 Impressive pair of diamond earrings, Cartier 2.55 ct · E · VVS2 ×1.1 high estimate Estimate USD 75k – 95k USD 106,325$41,696 per carat $22,575price paid Lot 104 A turquoise and diamond bracelet, Cartier, france ×2.8 high estimate Estimate USD 5k – 8k USD 22,575 $18,825price paid Lot 69 Pair of ruby, emerald and diamond 'Tanjore' earrings, Cartier, france, ×2.7 high estimate Estimate USD 4k – 7k USD 18,825 $9,450price paid Lot 93 A gold and diamond 'Panthère' wristwatch, Cartier ×3.1 high estimate Estimate USD 2k – 3k USD 9,450 $8,825price paid Lot 94 A gold and diamond 'Panthère' wristwatch, Cartier ×2.9 high estimate Estimate USD 2k – 3k USD 8,825 $6,950price paid Lot 103 Pair of turquoise and diamond earclips, Cartier, france ×2.3 high estimate Estimate USD 2k – 3k USD 6,950 $6,075price paid Lot 73 An 18k gold and diamond ring, Cartier ×1.0 high estimate Estimate USD 4k – 6k USD 6,075 Lot 42 A sapphire and diamond ring, monture Cartier, france 10.70 ct · Ceylon · No heat Estimate USD 45k – 65k Not sold Lot 68 Attractive sapphire and enamel ring, Cartier 26.60 ct · No heat Estimate USD 35k – 55k Not sold Lot 83 Pair of platinum and diamond earrings, Cartier, france Estimate USD 18k – 25k Not sold Lot 80 A 14k gold cigarette case, Cartier, circa 1945 Estimate USD 6k – 9k Not sold Lot 76 Pair of gold and sapphire earrings, Chaumet Estimate USD 3k – 5k Not sold $17,575price paid Lot 70 An 18k gold leopard cuff, David Webb ×1.5 high estimate Estimate USD 10k – 12k USD 17,575 $40,075price paid Lot 59 A sapphire and diamond bracelet, Harry Winston ×0.8 high estimate Estimate USD 30k – 50k USD 40,075 $5,325price paid Lot 79 A ruby, diamond and enamel brooch, marcus & co., ×1.1 high estimate Estimate USD 3k – 5k USD 5,325 $5,325price paid Lot 95 A gold and diamond wristwatch, Piaget, ×2.7 high estimate Estimate USD 2k – 2k USD 5,325 $10,325price paid Lot 25 Pair of natural pearl, diamond and onyx earrings, rené boivin, ×1.1 high estimate Estimate USD 7k – 9k USD 10,325 $4,075price paid Lot 3 A gold wristwatch, rolex, cellini ×1.0 high estimate Estimate USD 2k – 4k USD 4,075 $2,550price paid Lot 4 A gold wristwatch, rolex, cellini ×0.6 high estimate Estimate USD 2k – 4k USD 2,550 Lot 21 An opal, ruby, and diamond bracelet, Seaman Schepps Estimate USD 4k – 6k Not sold $8,825price paid Lot 97 An 18k gold 'Torque' demi-parure, frank gehry for Tiffany & Co. ×1.8 high estimate Estimate USD 3k – 5k USD 8,825 $7,575price paid Lot 81 A pink sapphire and diamond ring, Tiffany & Co. 2.56 ct ×0.8 high estimate Estimate USD 6k – 10k USD 7,575 $7,575price paid Lot 20 An 18k gold, sapphire and ruby pin, Jean Schlumberger for Tiffany & Co., france ×0.8 high estimate Estimate USD 6k – 9k USD 7,575 $47,575price paid Lot 106 Attractive citrine and diamond demi-parure, Van Cleef & Arpels, ×5.9 high estimate Estimate USD 6k – 8k USD 47,575 $25,075price paid Lot 31 An 18k white gold and diamond wristwatch, Van Cleef & Arpels, ×1.4 high estimate Estimate USD 12k – 18k USD 25,075 $3,825price paid Lot 11 An 18k gold and diamond 'Cadenas' wristwatch, Van Cleef & Arpels ×0.5 high estimate Estimate USD 4k – 7k USD 3,825 Lot 74 An 18k gold, diamond and ruby pendant 'Barquerolles' brooch, Van Cleef & Arpels Estimate USD 30k – 50k Not sold Lot 35 A platinum and diamond brooch, Van Cleef & Arpels, new york Estimate USD 14k – 18k Not sold Lot 36 A styptor and diamond minaudière, Van Cleef & Arpels, Estimate USD 2k – 3k Not sold

Vintage 2 lots

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Lot 77 A retro diamond, ruby and bi-colored 18k gold bracelet, Estimate USD 9k – 12k Not sold Lot 80 A 14k gold cigarette case, Cartier, circa 1945 Estimate USD 6k – 9k Not sold

Other jewels 43 lots

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$35,075price paid Lot 62 An emerald and diamond bracelet, france ×1.2 high estimate Estimate USD 20k – 30k USD 35,075 $27,575price paid Lot 10 Pair of diamond earclips ×1.1 high estimate Estimate USD 15k – 25k USD 27,575 $23,825price paid Lot 39 A platinum and diamond bracelet ×1.3 high estimate Estimate USD 12k – 18k USD 23,825 $17,575price paid Lot 87 A ruby and diamond brooch ×1.2 high estimate Estimate USD 10k – 15k USD 17,575 $16,325price paid Lot 63 Pair of diamond and emerald earrings ×1.4 high estimate Estimate USD 8k – 12k USD 16,325 $13,825price paid Lot 54 An emerald and diamond bracelet ×0.9 high estimate Estimate USD 10k – 15k USD 13,825 $11,325price paid Lot 78 A ruby and diamond flower brooch ×1.1 high estimate Estimate USD 6k – 10k USD 11,325 $10,700price paid Lot 6 An emerald and diamond bracelet ×1.2 high estimate Estimate USD 6k – 9k USD 10,700 $10,700price paid Lot 13 An enamel watch pendant, france, ×1.5 high estimate Estimate USD 5k – 7k USD 10,700 $10,700price paid Lot 86 Pair of ruby and diamond earclips ×1.8 high estimate Estimate USD 4k – 6k USD 10,700 $10,075price paid Lot 58 A diamond necklace ×1.0 high estimate Estimate USD 8k – 10k USD 10,075 $8,825price paid Lot 49 A diamond brooch, kutchinsky ×0.7 high estimate Estimate USD 8k – 12k USD 8,825 $8,825price paid Lot 8 A sapphire and diamond flower brooch, peacock ×0.9 high estimate Estimate USD 7k – 10k USD 8,825 $7,575price paid Lot 98 Pair of diamond earrings ×1.7 high estimate Estimate USD 3k – 5k USD 7,575 $6,950price paid Lot 44 Pair of multi-colored sapphire and diamond ear pendants ×0.9 high estimate Estimate USD 5k – 8k USD 6,950 $6,950price paid Lot 23 A diamond brooch, france 1.10 ct ×1.2 high estimate Estimate USD 4k – 6k USD 6,950 $6,325price paid Lot 51 Pair of diamond earclips, Gübelin ×0.6 high estimate Estimate USD 6k – 10k USD 6,325 $6,325price paid Lot 99 A colored diamond and diamond bracelet ×0.8 high estimate Estimate USD 5k – 8k USD 6,325 $6,325price paid Lot 5 A diamond and emerald ring, andré vassort, france ×0.9 high estimate Estimate USD 5k – 7k USD 6,325 $6,325price paid Lot 90 A diamond and gem-set ring ×1.1 high estimate Estimate USD 4k – 6k USD 6,325 $5,700price paid Lot 66 Pair of coral and diamond earclips ×0.7 high estimate Estimate USD 5k – 8k USD 5,700 $5,700price paid Lot 64 A diamond brooch together with a pair of diamond earclips ×1.1 high estimate Estimate USD 3k – 5k USD 5,700 $5,325price paid Lot 1 A gold and diamond demi-parure, kutchinsky ×1.0 high estimate Estimate USD 4k – 6k USD 5,325 $5,325price paid Lot 16 A unusual diamond and garnet wristwatch, audemars piguet ×1.0 high estimate Estimate USD 4k – 6k USD 5,325 $4,825price paid Lot 33 A diamond watch pendant, audemars piguet ×1.0 high estimate Estimate USD 3k – 5k USD 4,825 $4,825price paid Lot 34 A platinum and diamond watch pendant, audemars piguet & co. ×1.2 high estimate Estimate USD 2k – 4k USD 4,825 $4,825price paid Lot 27 An onyx and diamond brooch, ×1.4 high estimate Estimate USD 3k – 4k USD 4,825 $4,450price paid Lot 22 An 18k gold, diamond and gem-set bangle, italy ×0.8 high estimate Estimate USD 4k – 6k USD 4,450 $3,188price paid Lot 29 A diamond brooch, ×0.9 high estimate Estimate USD 3k – 4k USD 3,188 $3,060price paid Lot 19 A gold, aquamarine and garnet necklace, elizabeth gage ×0.6 high estimate Estimate USD 3k – 5k USD 3,060 $2,933price paid Lot 105 A turquoise and diamond ring, france ×1.2 high estimate Estimate USD 2k – 3k USD 2,933 $2,168price paid Lot 15 Pair of diamond, carnelian and jasper 'African queen' earclips, elizabeth gage ×0.7 high estimate Estimate USD 2k – 3k USD 2,168 Lot 52 A diamond bracelet, Estimate USD 15k – 20k Not sold Lot 24 A ruby and diamond bracelet Estimate USD 12k – 18k Not sold Lot 89 A diamond bracelet Estimate USD 10k – 15k Not sold Lot 12 An 18k gold and diamond bracelet, france Estimate USD 6k – 10k Not sold Lot 37 A colored diamond and diamond ring 2.70 ct · D · VS2 Estimate USD 8k – 10k Not sold Lot 41 A diamond and seed pearl choker-necklace Estimate USD 5k – 7k Not sold Lot 17 A gold and coin brooch, castellani, Estimate USD 4k – 6k Not sold Lot 55 An emerald, diamond, and onyx brooch Estimate USD 4k – 6k Not sold Lot 2 A gold and diamond necklace Estimate USD 4k – 6k Not sold Lot 50 An 18k gold and diamond brooch, france Estimate USD 4k – 6k Not sold Lot 38 An amethyst and diamond ring Estimate USD 3k – 5k 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 8 December 2019. Photographs © Bonhams 2019.