28 janvier 2019

An emerald, sapphire and diamond necklace, by Jahan

Lot 278. A Colombian emerald, Burmese sapphire and diamond necklace, by Jahan. Estimate CHF 400,000 - CHF 600,000. Price realised CHF 1,385,000. © Christie's Image Ltd 2015  Designed as a tapered flexible band of brilliant-cut diamond lines, centering upon a rectangular-cut emerald, suspending a pear-shaped sapphire, within a brilliant-cut diamond cluster, mounted in gold, 42.5 cm. Signed Jahan. Accompanied by report no. 78361 dated 2 September 2014 from the SSEF Swiss Gemmological... [Lire la suite]
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19 avril 2018

An Exceptional Emerald

Lot 135. An Exceptional 6.33 carats Colombian Emerald. Estimate 400,000 — 600,000 USD. Lot sold 1,095,000 USD. Courtesy Sotheby's2018. The unmounted emerald-cut emerald weighing 6.33 carats. Accompanied by AGL report no. 1089396 stating that the emerald is of Classic Colombian origin, clarity enhancement: none. Together with a letter from AGL stating that the emerald possesses "an exemplary combination of color and superior clarity, combined with an absence of enhancement and fine cut." ... [Lire la suite]
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23 mai 2017

A charming pair of emerald, diamond and coloured diamond 'snow peas' ear pendants, by Cindy Chao

Lot 1939. A charming pair of 29.49 and 26.81 carats Colombian emerald, diamond and coloured diamond 'snow peas' ear pendants, by Cindy Chao. Estimate HKD 3,800,000 - HKD 5,800,000 (US$480,000-750,000). Price realised HKD 6,300,000.  © Christie's Images Ltd 2017 Each designed as a snow pea pavé-set throughout with circular and oval-shaped diamonds, centering upon a cabochon emerald, weighing approximately 29.49 and 26.81 carats, to the circular-cut yellow diamond string, mounted in titanium,... [Lire la suite]
01 mai 2017

Unmounted emerald

Lot 263. Unmounted 13.62 carats Colombian emerald. Estimate 325,000 — 425,000 CHF. Photo: Sotheby's The step-cut emerald weighing 13.62 carats. Accompanied by SSEF report no. 90241, stating that the emerald is of Colombian origin, with no indications of clarity modification; together with Gübelin report no. 17030001, stating that the emerald is of Colombian origin, with indications of insignificant clarity enhancement. Sotheby's. Magnificent Jewels and Noble Jewels, Sessions 1 and 2, Genève,... [Lire la suite]
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24 avril 2017

The Marcial de Gomar of Colombian emeralds goes under the hammer on 25th april

  Emeralds found on shipwreck are worth millions. © 2017 Guernseys.com   Guernsey’s, the New York City-based auction house, is delighted to announce the auction of the Marcial de Gomar Collection of rare emeralds on April 25th. The event will be conducted live at the Americas Society at 680 Park Avenue with online bidding at www.liveauctioneers.com. The Marcial de Gomar Emerald Collection consists of more than twenty loose emeralds (both cut and rough) plus thirteen pieces of emerald jewelry. These... [Lire la suite]
01 novembre 2016

Phillips presents first Jewellery and Jadeite Auction in Asia

Important and Rare Pear-shaped Fancy Pink Diamond and Diamond Ring, 7.93 carats. Estimate: HKD 22,000,000 - 26,000,000. Image courtesy of Phillips. HONG KONG.- Phillips will present its first sale of Jewellery and Jadeite in Hong Kong on 28 November 2016. Comprising 159 lots, the sale features an extraordinary range of important diamonds, rare coloured stones, jadeite, signed antique and contemporary jewels of the highest quality. Taking place at the Mandarin Oriental in Hong Kong, the sale comprises jewels and... [Lire la suite]

31 octobre 2016

A Colombian emerald and diamond pendent necklace, by Harry Winston

Lot 179. A Colombian emerald and diamond pendent necklace, by Harry Winston. Estimate CHF 350,000 - CHF 600,000 (USD 354,070 - USD 606,977). Photo Christie's Images Ltd 2016. The detachable pendant set with an octagonal step-cut emerald, weighing approximately 38.02 carats, within a circular and marquise-cut diamond cluster surround, to the circular-cut emerald and diamond twin line necklace, the emerald with additional diamond-set cluster ring mounting, pendant 5.5 cm, necklace 37.0 cm, ring size 5 ¼, mounted in... [Lire la suite]
30 octobre 2016

A An 128.22 carats unmounted carved Colombian emerald, 1900s

Lot 44. A 128.22 carats unmounted carved Colombian emerald, 1900s. Estimate CHF 80,000 - CHF 120,000 (USD 80,930 - USD 121,395). Photo Christie's Image Ltd 2016. The circular carved emerald engraved with poppy flower design, to the buff base, weighing approximately 128.22 carats, 1900s, 4.2 cm Accompanied by report no. 87125 dated 9 August 2016 from the SSEF Swiss Gemmological Institute stating that the origin of the emerald is Colombia, with moderate amount of oil. Christie's. Geneva... [Lire la suite]
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24 août 2016

Emerald and diamond bracelet, first half of 20th century

Lot 47. Colombian Emerald and diamond bracelet, first half of 20th century. Estimate 11,500 — 12,500 GBP. Photo: Sotheby's. The central motif claw-set with a cushion-shaped emerald, framed by circular-cut diamonds, the bracelet set with variously cut emeralds, circular-cut and rose diamonds within collet settings, length approximately 165mm, Hungarian assay marks.  Accompanied by CISGEM report no. 2892, stating that the largest emerald is of Colombian origin, with indications of... [Lire la suite]
11 août 2016

10.35 carats Colombian Emerald and Diamond Ring

Lot 1775. 10.35 carats Colombian Emerald and Diamond Ring. Estimate 820,000 — 960,000 HKD. Lot sold 1,100,000 HKD. Photo: Sotheby's 2011. Centring on a cushion-shaped emerald weighing 10.35 carats, surrounded by oval diamonds, highlighted by circular-cut emeralds, the shoulders pavé-set with brilliant-cut diamonds, the diamonds together weighing approximately 4.90 carats, mounted in platinum.  Ring size: 5¾ Accompanied by Gübelin report numbered 0608617, dated 23 August 2006,... [Lire la suite]