The World of Heidi Horten: Magnificent Jewels Part I

$76,589per carat Lot 79 Unique Bulgari sapphire, coloured sapphire, emerald and diamond necklace 37.84 ct · Madagascar · No heat ×1.9 high estimate Estimate USD 1.01m – 1.51m USD 2,898,130$76,589 per carat $23,650per carat Lot 5 Van Cleef & Arpels sapphire and diamond ring 24.48 ct · Ceylon · No heat ×0.7 high estimate Estimate USD 605k – 818k USD 578,954$23,650 per carat $19,108per carat Lot 24 Sapphire and diamond ring 59.86 ct · Ceylon · No heat ×2.3 high estimate Estimate USD 303k – 504k USD 1,143,786$19,108 per carat $10,311per carat Lot 30 Bulgari sapphire, emerald and diamond ring 26.02 ct · Ceylon · No heat ×1.7 high estimate Estimate USD 101k – 157k USD 268,296$10,311 per carat $3,463per carat Lot 28 Bulgari sapphire, emerald and diamond bangle 89.72 ct · Burma · No heat ×1.0 high estimate Estimate USD 202k – 314k USD 310,658$3,463 per carat $367,141price paid Lot 6 Köchert sapphire, cultured pearl and diamond earrings Burma · No heat ×1.4 high estimate Estimate USD 146k – 258k USD 367,141 $24,760per carat Lot 62 Rare Cartier sapphire and diamond ring 65.02 ct · Ceylon (AGL, SSEF) / Burma (Gübelin) · No heat ×0.4 high estimate Estimate USD 2.47m – 3.59m USD 1,609,886$24,760 per carat $4,902per carat Lot 7 Harry Winston sapphire, cultured pearl and diamond necklace 80.66 ct · Heated ×0.2 high estimate Estimate USD 1.51m – 2.02m USD 395,383$4,902 per carat $4,150per carat Lot 31 Bulgari sapphire, cultured pearl and diamond choker 74.86 ct · Heated ×0.6 high estimate Estimate USD 291k – 504k USD 310,658$4,150 per carat

$571,737per carat Lot 96 'The sunrise ruby' sensational Cartier ruby and diamond ring 25.59 ct · Burma · No heat ×0.7 high estimate Estimate USD 15.7m – 20.2m USD 14,630,739$571,737 per carat $57,880per carat Lot 50 Ruby and diamond pendant 24.30 ct · Burma · No heat ×0.5 high estimate Estimate USD 2.02m – 3.03m USD 1,406,479$57,880 per carat

$115,703per carat Lot 41 Exceptional Harry Winston emerald and diamond ring 17.43 ct · Colombia · Minor oil ×2.8 high estimate Estimate USD 504k – 728k USD 2,016,700$115,703 per carat $52,469per carat Lot 81 Bulgari emerald and diamond pendant and necklaces 21.53 ct · Colombia · Minor oil ×1.8 high estimate Estimate USD 392k – 616k USD 1,129,666$52,469 per carat $44,416per carat Lot 11 Harry Winston emerald and coloured diamond pendant 16.85 ct · Colombia · Minor oil ×1.5 high estimate Estimate USD 303k – 516k USD 748,403$44,416 per carat $29,569per carat Lot 71 Bulgari emerald and diamond ring 21.49 ct · Colombia · Minor oil ×1.0 high estimate Estimate USD 403k – 616k USD 635,437$29,569 per carat $26,615per carat Lot 42 Impressive emerald and diamond necklace 68.13 ct · Colombia · Minor oil ×0.7 high estimate Estimate USD 1.57m – 2.69m USD 1,813,293$26,615 per carat $23,483per carat Lot 55 Harry Winston emerald, natural and cultured pearl, coloured diamond and diamond choker 27.06 ct · Colombia · Moderate oil ×0.5 high estimate Estimate USD 807k – 1.23m USD 635,437$23,483 per carat $22,414per carat Lot 57 Harry Winston emerald and diamond ring 22.68 ct · Colombia ×0.8 high estimate Estimate USD 392k – 616k USD 508,350$22,414 per carat $19,377per carat Lot 56 Emerald and diamond brooch 29.15 ct · Colombia ×0.9 high estimate Estimate USD 392k – 616k USD 564,833$19,377 per carat

$2,830,328price paid Lot 63 Kern magnificent coloured natural pearl and diamond necklace ×0.6 high estimate Estimate USD 3.03m – 5.04m USD 2,830,328 $607,195price paid Lot 48 Harry Winston natural pearl and diamond earrings ×1.0 high estimate Estimate USD 392k – 616k USD 607,195 $465,987price paid Lot 22 Natural pearl and diamond necklace ×0.8 high estimate Estimate USD 392k – 616k USD 465,987 $409,504price paid Lot 47 Coloured natural pearl and diamond earrings ×0.8 high estimate Estimate USD 303k – 504k USD 409,504 Lot 53 Natural pearl and diamond necklace Estimate USD 616k – 807k Not sold $7,237,481price paid Lot 45 Sensational Harry Winston natural and cultured pearl and coloured diamond necklace ×0.7 high estimate Estimate USD 7.17m – 10.4m USD 7,237,481 $480,108price paid Lot 23 Köchert pearl and diamond earrings ×0.9 high estimate Estimate USD 359k – 560k USD 480,108

$1,466,209per carat Lot 43 Bulgari coloured diamond and diamond ring 6.99 ct · Fancy Intense Pink · VVS1 ×2.0 high estimate Estimate USD 3.03m – 5.04m USD 10,248,802$1,466,209 per carat $5,474,620price paid Lot 21 Exceptional Bulgari jadeite and diamond necklace ×1.1 high estimate Estimate USD 3.03m – 5.04m USD 5,474,620 $999,146per carat Lot 88 Exceptional Bulgari coloured diamond and diamond brooch 5.14 ct · Fancy Intense Orange · I1 ×0.7 high estimate Estimate USD 5.04m – 7.17m USD 5,135,608$999,146 per carat $2,898,130price paid Lot 94 Extraordinary Bulgari diamond earrings D colour · VS1 ×0.6 high estimate Estimate USD 3.03m – 5.04m USD 2,898,130 $76,589per carat Lot 79 Unique Bulgari sapphire, coloured sapphire, emerald and diamond necklace 37.84 ct · Madagascar · No heat ×1.9 high estimate Estimate USD 1.01m – 1.51m USD 2,898,130$76,589 per carat $2,084,502price paid Lot 80 Bulgari emerald and diamond necklace ×1.4 high estimate Estimate USD 1.01m – 1.51m USD 2,084,502 $93,160per carat Lot 75 Bulgari coloured diamond, diamond and emerald ring 20.92 ct · Fancy Vivid Yellow · VS1 ×1.9 high estimate Estimate USD 717k – 1.01m USD 1,948,897$93,160 per carat $80,595per carat Lot 83 Bulgari diamond ring 23.34 ct · D colour · VVS1 ×0.7 high estimate Estimate USD 1.57m – 2.69m USD 1,881,095$80,595 per carat $34,577per carat Lot 76 Bulgari diamond, sapphire and emerald necklace 46.56 ct · I colour · VS2 ×0.9 high estimate Estimate USD 1.23m – 1.85m USD 1,609,886$34,577 per carat $1,542,083price paid Lot 87 Bulgari diamond earrings D colour · VVS1 ×0.6 high estimate Estimate USD 1.57m – 2.58m USD 1,542,083 $1,542,083price paid Lot 73 Bulgari set of coloured diamond, diamond and emerald jewellery ×2.1 high estimate Estimate USD 504k – 717k USD 1,542,083 $1,157,907price paid Lot 85 Rare Bulgari suite of emerald, turquoise and diamond jewellery ×0.7 high estimate Estimate USD 1.01m – 1.57m USD 1,157,907 $56,342per carat Lot 32 Bulgari diamond necklace 20.05 ct · D colour · VS1 ×0.6 high estimate Estimate USD 1.46m – 1.79m USD 1,129,666$56,342 per carat $52,469per carat Lot 81 Bulgari emerald and diamond pendant and necklaces 21.53 ct · Colombia · Minor oil ×1.8 high estimate Estimate USD 392k – 616k USD 1,129,666$52,469 per carat $1,016,699price paid Lot 82 Bulgari sapphire and diamond necklace ×1.6 high estimate Estimate USD 403k – 616k USD 1,016,699 $988,457price paid Lot 25 Bulgari emerald and diamond necklace ×1.3 high estimate Estimate USD 616k – 784k USD 988,457 $29,569per carat Lot 71 Bulgari emerald and diamond ring 21.49 ct · Colombia · Minor oil ×1.0 high estimate Estimate USD 403k – 616k USD 635,437$29,569 per carat $44,659per carat Lot 33 Bulgari diamond ring 13.28 ct · E colour · VVS2 ×0.5 high estimate Estimate USD 784k – 1.23m USD 593,074$44,659 per carat $508,350price paid Lot 35 Bulgari emerald and diamond necklace ×1.0 high estimate Estimate USD 303k – 504k USD 508,350 $14,855per carat Lot 74 Bulgari coloured diamond, diamond and emerald bangle 32.32 ct · Fancy Yellow · VS2 ×0.9 high estimate Estimate USD 359k – 560k USD 480,108$14,855 per carat $51,848per carat Lot 84 Bulgari diamond brooch 9.26 ct · D colour · VVS1 ×0.9 high estimate Estimate USD 359k – 560k USD 480,108$51,848 per carat $480,108price paid Lot 86 Bulgari diamond bangle ×1.3 high estimate Estimate USD 247k – 359k USD 480,108 $395,383price paid Lot 78 Bulgari emerald and diamond necklace ×1.3 high estimate Estimate USD 202k – 303k USD 395,383 $338,900price paid Lot 37 Bulgari diamond and sapphire bracelet ×0.7 high estimate Estimate USD 303k – 504k USD 338,900 $4,150per carat Lot 31 Bulgari sapphire, cultured pearl and diamond choker 74.86 ct · Heated ×0.6 high estimate Estimate USD 291k – 504k USD 310,658$4,150 per carat $3,463per carat Lot 28 Bulgari sapphire, emerald and diamond bangle 89.72 ct · Burma · No heat ×1.0 high estimate Estimate USD 202k – 314k USD 310,658$3,463 per carat $282,416price paid Lot 29 Bulgari sapphire, emerald and diamond earrings ×1.4 high estimate Estimate USD 146k – 202k USD 282,416 $268,296price paid Lot 69 Bulgari emerald and diamond earrings ×0.9 high estimate Estimate USD 202k – 303k USD 268,296 $10,311per carat Lot 30 Bulgari sapphire, emerald and diamond ring 26.02 ct · Ceylon · No heat ×1.7 high estimate Estimate USD 101k – 157k USD 268,296$10,311 per carat $240,054price paid Lot 26 Bulgari emerald and diamond earrings ×2.7 high estimate Estimate USD 67k – 90k USD 240,054 $225,933price paid Lot 36 Bulgari set of diamond and sapphire jewellery ×0.7 high estimate Estimate USD 202k – 303k USD 225,933 $218,873price paid Lot 27 Bulgari emerald and diamond bracelet ×2.8 high estimate Estimate USD 62k – 78k USD 218,873 $183,571price paid Lot 38 Bulgari diamond and emerald necklace ×1.2 high estimate Estimate USD 123k – 157k USD 183,571 $134,148price paid Lot 34 Bulgari diamond earrings F colour · SI2 ×1.1 high estimate Estimate USD 78k – 123k USD 134,148 $84,725price paid Lot 77 Bulgari diamond, sapphire and emerald earrings ×0.7 high estimate Estimate USD 78k – 123k USD 84,725 $571,737per carat Lot 96 'The sunrise ruby' sensational Cartier ruby and diamond ring 25.59 ct · Burma · No heat ×0.7 high estimate Estimate USD 15.7m – 20.2m USD 14,630,739$571,737 per carat $24,760per carat Lot 62 Rare Cartier sapphire and diamond ring 65.02 ct · Ceylon (AGL, SSEF) / Burma (Gübelin) · No heat ×0.4 high estimate Estimate USD 2.47m – 3.59m USD 1,609,886$24,760 per carat $7,237,481price paid Lot 45 Sensational Harry Winston natural and cultured pearl and coloured diamond necklace ×0.7 high estimate Estimate USD 7.17m – 10.4m USD 7,237,481 $78,595per carat Lot 46 Magnificent Harry Winston 'Briolette of india' diamond and diamond necklace 90.36 ct · D colour · VS2 ×0.5 high estimate Estimate USD 10.1m – 15.7m USD 7,101,876$78,595 per carat $3,576,154price paid Lot 95 Exceptional Harry Winston diamond bracelet/tiara ×0.5 high estimate Estimate USD 5.04m – 7.17m USD 3,576,154 $80,539per carat Lot 44 Exceptional Harry Winston diamond ring 25.04 ct · D colour · VVS1 ×0.7 high estimate Estimate USD 1.79m – 2.80m USD 2,016,700$80,539 per carat $115,703per carat Lot 41 Exceptional Harry Winston emerald and diamond ring 17.43 ct · Colombia · Minor oil ×2.8 high estimate Estimate USD 504k – 728k USD 2,016,700$115,703 per carat $1,813,293price paid Lot 89 Magnificent Harry Winston coloured diamond and diamond necklace ×0.7 high estimate Estimate USD 1.57m – 2.58m USD 1,813,293 $51,249per carat Lot 51 Harry Winston diamond necklace 30.09 ct · E colour · SI2 ×1.0 high estimate Estimate USD 1.01m – 1.51m USD 1,542,083$51,249 per carat $512,767per carat Lot 4 Rare Harry Winston coloured diamond ring 1.79 ct · Fancy Intense Blue · VVS1 ×1.1 high estimate Estimate USD 504k – 807k USD 917,853$512,767 per carat $44,416per carat Lot 11 Harry Winston emerald and coloured diamond pendant 16.85 ct · Colombia · Minor oil ×1.5 high estimate Estimate USD 303k – 516k USD 748,403$44,416 per carat $23,483per carat Lot 55 Harry Winston emerald, natural and cultured pearl, coloured diamond and diamond choker 27.06 ct · Colombia · Moderate oil ×0.5 high estimate Estimate USD 807k – 1.23m USD 635,437$23,483 per carat $607,195price paid Lot 48 Harry Winston natural pearl and diamond earrings ×1.0 high estimate Estimate USD 392k – 616k USD 607,195 $22,414per carat Lot 57 Harry Winston emerald and diamond ring 22.68 ct · Colombia ×0.8 high estimate Estimate USD 392k – 616k USD 508,350$22,414 per carat $4,902per carat Lot 7 Harry Winston sapphire, cultured pearl and diamond necklace 80.66 ct · Heated ×0.2 high estimate Estimate USD 1.51m – 2.02m USD 395,383$4,902 per carat $833,128price paid Lot 2 René boivin multi-gem lion brooch and a pair of associated earrings ×2.1 high estimate Estimate USD 258k – 403k USD 833,128 $3,033,735price paid Lot 68 Exceptionally rare Van Cleef & Arpels Art Deco egyptian revival multi-gem sautoir ×0.8 high estimate Estimate USD 2.47m – 3.59m USD 3,033,735 $2,423,514price paid Lot 91 Van Cleef & Arpels coloured diamond and diamond earrings ×1.2 high estimate Estimate USD 1.51m – 2.02m USD 2,423,514 $1,338,676price paid Lot 90 Van Cleef & Arpels coloured diamond and diamond bracelet ×1.9 high estimate Estimate USD 504k – 717k USD 1,338,676 $23,650per carat Lot 5 Van Cleef & Arpels sapphire and diamond ring 24.48 ct · Ceylon · No heat ×0.7 high estimate Estimate USD 605k – 818k USD 578,954$23,650 per carat $508,350price paid Lot 1 Van Cleef & Arpels ruby and diamond bird of paradise brooch ×1.6 high estimate Estimate USD 202k – 314k USD 508,350