rectangular-cut diamond

A pair of coloured diamond earrings, by Graff. Photo Christie's Image Ltd 2013 Each set with a fancy intense yellow rectangular-cut diamond, weighing approximately 1.04 and 1.01 carat, suspended from a graduated brilliant-cut diamond line, mounted in gold, in navy blue leather Graff pouch Signed Graff, no. 4776. Estimate CHF9,000 – CHF12,000 Accompanied by report no. 11782618 dated 10 December 2001 from the GIA Gemological Institute of America stating that the 1.01 carat diamond is Fancy Intense Yellow colour,... [Lire la suite]

A twin-stone coloured diamond ring, by Graff. Photo Christie's Image Ltd 2013 Set with two fancy intense yellow rectangular-cut diamonds, each weighing approximately 2.04 carats, to the gold hoop, ring size 5¼, in black leather Graff case Signed Graff, no. 9545. Estimate CHF35,000 – CHF45,000 Accompanied by report no. 11782925 dated 15 February 2002 from the GIA Gemological Institute of America stating that the 2.04 carat diamond is Fancy Intense Yellow colour, VS2 clarityReport no. 11782890 dated 20 February 2002... [Lire la suite]

An elegant diamond ring, by Cusi. Photo Christie's Image Ltd 2013 Set with a rectangular-cut diamond, weighing approximately 12.49 carats, to the tapered baguette-cut diamond shoulders, mounted in platinum, ring size 6, in beige suede Cusi case. Signed Cusi. Estimate CHF480,000 – CHF660,000 Accompanied by report no. 5151222424 dated 23 January 2013 from the GIA Gemological Institute of America stating that the diamond is H colour, VVS1 clarity, and a working diagram indicating that the clarity of the... [Lire la suite]

An impressive diamond brooch. Photo Christie's Image Ltd 2013 Designed as a flower centering upon a rectangular-cut diamond, weighing approximately 9.71 carats, with pear-shaped diamond petals, to the vari-cut diamond stem, mounted in platinum and gold, 7.5 cm. Estimate CHF680,000 – CHF950,000 Accompanied by report no. 5151128519 dated 14 December 2012 from the GIA Gemological Institute of America stating that the 9.71 carat rectangular-cut diamond is D colour, Internally Flawless clarity, and a Diamond Type... [Lire la suite]

A magnificent diamond bracelet, by Van Cleef & Arpels. Photo Christie's Image Ltd 2013 Set with eleven rectangular-cut diamonds, weighing approximately 5.71 to 2.72 carats, interspersed by twin marquise-shaped diamond links, 1966, 17.0 cm, with French assay marks for platinum and gold. Signed Van Cleef & Arpels, no. 9.324CS. Estimate CHF1,900,000 – CHF2,400,000 Accompanied by eleven reports from the GIA Gemological Institute of America stating the following:Report number Date Carat Colour... [Lire la suite]

A rare coloured diamond ring. Photo Christie's Image Ltd 2013 Set with a fancy red rectangular-cut diamond, weighing approximately 1.92 carat, flanked on either side with half-moon diamond, to the pavé-set diamond shoulders and platinum hoop, ring size 6. Estimate CHF1,900,000 – CHF2,900,000 Accompanied by report no. 11360842 dated 20 March 2001 from the GIA Gemological Institute of America stating that the diamond is Fancy Red colour, VS2 clarityPlease note that the report is more than 5 years old and might... [Lire la suite]

A diamond line necklace. Photo Christie's Image Ltd 2013 Designed as a graduated series of eighty-two rectangular-cut diamonds, mounted in platinum, 14¾ ins. Estimate $220,000 - $320,000 - Price Realized $339,750 With thirty-one reports dated from 7 March 1997 to 1 February 2007 from the Gemological Institute of America stating that thirty-one of the diamonds, weighing from approximately 3.14 to 0.71 carats, range from D to G color and from VVS1 to SI1 clarity Christies. NEW YORK... [Lire la suite]

A diamonf ring. Photo Christie's Image Ltd 2013 Set with a rectangular-cut diamond, weighing approximately 11.39 carats, mounted in platinum. Estimate:  $1,000,000 – $1,500,000 With report 11947613 dated 4 February 2013 from the Gemological Institute of America stating that the diamond is D color, internally flawless clarity Accompanied by a supplemental letter stating that the diamond has been determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have... [Lire la suite]

A diamond necklace, by William Goldberg. Photo Christie's Image Ltd 2013  Designed as a two row swag of Ashoka, cushion, marquise, circular, pear, rectangular, oval and heart-shaped diamonds, each within a circular-cut diamond surround, to the backchain of similar design, mounted in platinum, 16 ins., in a William Goldberg navy leather case Signed William Goldberg. Estimate:  $"00,000 – $500,000 With forty-eight reports dated from 2 January 2008 to 6 October 2011 from the Gemological Institute of America... [Lire la suite]

A diamond ring. Photo Christie's Image Ltd 2013 Set with a rectangular-cut diamond, weighing approximately 30.32 carats, flanked on either side by a tapered baguette-cut diamond, mounted in platinum. Estimate:  $3,000,000 – $4,000,000 With report 15208267 dated 21 March 2012 from the Gemological Institute of America stating that the diamond is D color, VVS1 clarity Accompanied by a supplemental letter stating that the diamond has been determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure... [Lire la suite]