18 janvier 2016

The Banjarmasin Diamond, c. 1875

The Banjarmasin Diamond, c. 1875, rectangular-shaped diamond, 36 carats, w 7.65gr × l 2.1cm × w 1.7cm × h 1.4cm. NG-C-2000-3. On loan from the Ministerie van Koloniën, 1902. Rijksmuseum, Amsterdam. This diamond once hung on a chain around the neck of Sultan Panembahan Adam van Banjarmasin (South Borneo). After problems arose in the succession, the Netherlands decided in 1859 to seize control of the sultanate of Banjarmasin. The diamond was declared Dutch state property. In Amsterdam the 70-carat rough... [Lire la suite]

20 mai 2015

An important diamond ring, by Graff

An important 15.15 carats rectangular-shaped Type IIa diamond ring, by Graff. Estimate HK$14,000,000 – HK$18,000,000 ($2,200,000-3,500,000). Photo Christie's Image Ltd 2015. et with a rectangular-shaped diamond weighing approximately 15.15 carats, flanked by tapered baguette-cut diamonds, mounted in platinum, ring size 8½. Signed Graff  Accompanied by report no. 10312408 dated 31 March 2014 from the Gemological Institute of America stating that the 15.15 carat diamond is D colour, internally... [Lire la suite]
Posté par Alain Truong à 23:19 - - Commentaires [0] - Permalien [#]
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27 mai 2014

A rare coloured diamond and diamond ring, by Harry Winston

  A rare coloured diamond and diamond ring, by Harry Winston. Photo Christie's Image Ltd 2014 Set with a rectangular-shaped orangy pink diamond weighing 12.93 carats, to the marquise-cut diamond shoulders, mounted in platinum, ring size 4½. Signed and with maker's mark for Harry Winston. Estimate HK$12,500,000 - HK$20,000,000 ($1,619,285 - $2,590,856). Price Realized HK$28,120,000 ($3,642,744) Accompanied by report no. 5151834877 dated 20 December 2013 from the Gemological... [Lire la suite]
14 mai 2014

A rare coloured diamond ring and diamond ring, by Harry Winston

A rare coloured diamond ring and diamond ring, by Harry Winston. Photo Christie's Image Ltd 2014 Set with a rectangular-shaped orangy pink diamond weighing 12.93 carats, to the marquise-cut diamond shoulders, mounted in platinum, ring size 4½. Signed and with maker's mark for Harry Winston. Estimate HK$12,500,000 – HK$20,000,000 ($1,620,156 - $2,592,250)Christie's. HONG KONG MAGNIFICENT JEWELS, 27 May 2014, Convention Hall - http://www.christies.com/
19 octobre 2013

A coloured diamond and diamond pendent necklace

A coloured diamond and diamond pendent necklace. Photo Christie's Image Ltd 2013 The rectangular-shaped fancy intense blue diamond weighing 0.56 carat, suspending a pear-shaped diamond weighing 3.06 carats, within a brilliant-cut diamond frame, spaced by a brilliant-cut diamond, joined to a collet-set brilliant-cut diamond fine neckchain, mounted in 18k white gold, 40.8 cm long. Price Realized $267,933 ACCOMPANIED BY REPORT NO. 2145621223 DATED 11 JUNE 2012 FROM THE GEMOLOGICAL INSTITUTE OF AMERICA STATING THAT THE... [Lire la suite]
19 octobre 2013

Five coloured diamond and diamond rings 

Five coloured diamond and diamond rings. Photo Christie's Image Ltd 2013 Comprising two rings, each designed as a rectangular-shaped pink diamond half-hoop, ring size 5¼; and three brilliant-cut diamond hoops en suite, mounted in 18k rose and white gold, ring size 5¼ (5). Price Realized $40,449 Christie's . HONG KONG MAGNIFICENT JEWELS.28 May 2013. Convention Hall - http://www.christies.com
Posté par Alain Truong à 20:08 - - Commentaires [0] - Permalien [#]
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19 octobre 2013

A coloured diamond and diamond ring

A coloured diamond and diamond ring. Photo Christie's Image Ltd 2013 Set with a rectangular-shaped fancy light yellowish brown diamond weighing 17.06 carats, to the brilliant-cut diamond stylized gallery, extending to the bifurcated half-hoop, mounted in 18k white and rose gold, ring size 5¼. Price Realized $283,465Accompanied by report no. 2155211093 dated 18 January 2013 from the Gemological Institute of America stating that the 17.06 carat diamond is fancy light yellowish brown, natural colour, VVS1 clarity ... [Lire la suite]
19 octobre 2013

A coloured diamond and diamond ring.

A coloured diamond and diamond ring. Photo Christie's Image Ltd 2013 Set with a rectangular-shaped fancy yellow diamond weighing approximately 15.02 carats, to the square-shaped diamond claws, brilliant-cut diamond gallery and three quarter-hoop, mounted in 18k white gold,ring size 5¾. Price Realized $330,062Accompanied by report no. 16856650 dated 13 January 2011 from the Gemological Institute of America stating that the 15.02 carat diamond is fancy yellow, natural colour, VS2 clarity Christie's . HONG KONG... [Lire la suite]
20 avril 2013

Unmounted Fancy Yellow-Green Diamond

Unmounted Fancy Yellow-Green Diamond. Photo Heritage Auctions The rectangular-shaped yellow-green diamond measures 7.15 x 5.79 x 4.15 mm and weighs 1.47 carats. Accompanied by a GIA Laboratory report #2105436982, dated December 16, 2008, stating Fancy Yellow-Green color, SI1 clarity. Estimate: $30,000 - $40,000. Heritage Auctions. 2013 April 29. Jewelry Signature Auction - New York - http://jewelry.ha.com
Posté par Alain Truong à 23:29 - - Commentaires [0] - Permalien [#]
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29 novembre 2012

A Superb Coloured Diamond And Diamond Ring. Photo Christie's Image Ltd 2012

A Superb Coloured Diamond And Diamond Ring. Photo Christie's Image Ltd 2012 Set with a rectangular-shaped fancy vivid yellow diamond weighing approximately 10.13 carats, to the brilliant-cut diamond three quarter-hoop, mounted in 18k white gold, ring size 6¼. Estimate HK$6,000,000 - HK$8,000,000 ($777,796 - $1,037,061). Price Realized HK$7,460,000 ($967,328) ACcompanied by report no. 12344511 dated 23 july 2012 from the Gemological Institute of America stating that the 10.13 carat diamond is... [Lire la suite]
Posté par Alain Truong à 23:26 - - Commentaires [0] - Permalien [#]
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