square emerald-cut diamond

Lot 82. Extraordinary Pair of Platinum and Diamond Earrings, weighing 20.29 and 20.02 carats. Estimate 4,500,000 — 5,500,000 USD. Photo: Sotheby's. Supporting two square emerald-cut diamonds weighing 20.29 and 20.02 carats, topped by two smaller square emerald-cut diamonds weighing 1.01 carats each, further decorated with small round diamonds weighing approximately .70 carat.  Accompanied by four GIA reports: No. 1162363720 stating that the 20.29 carat diamond is D color, Internally Flawless, with Excellent Polish... [Lire la suite]

The December auction is led by a Magnificent and Historic Platinum and Diamond Necklace, Van Cleef & Arpels (estimate $3.6/4.6 million. Photo: Sotheby's. NEW YORK, NY.- Just in time for the holidays, Sotheby’s final jewelry auction of the fall season will be held in New York on 9 December 2015. The more than 500 pieces on offer – with estimates starting at $5,000 – will be on view in Sotheby's York Avenue galleries beginning 5 December, alongside the auctions of Important Watches and RM Sotheby’s Driven by... [Lire la suite]

Fine diamond ring, circa 1931, Cartier. Photo Sotheby's The ring simply set with a square emerald-cut diamond weighing 14.43 carats, flanked by single-cut and tapered baguette diamonds together weighing approximately 1.20 carats, mounted in platinum, signed and numbered 40012. Ring size: 6. Estimate 16,000,000 — 20,000,000 HKD - Lot sold. 20,820,000 HKD Accompanied by GIA report numbered 2111483617, dated 22 December 2009, stating that the 14.43 carat diamond is D colour, Internally Flawless clarity; also accompanied by... [Lire la suite]

Lot 383. From the Estate of Lynn Wolfson. Magnificent Square Emerald-Cut Diamond Ring 21.46 carats, D color, Internally Flawless, type IIa. Estimate: 2,500,000 - 3,500,000 USD. Lot sold 3,189,000 USD. Courtesy Sotheby's Centered by a square emerald-cut diamond weighing 21.46 carats, flanked by two emerald-cut diamonds weighing 2.02 and 2.01 carats, size 5½.  Accompanied by three GIA reports:No. 2155260916 stating that the 21.46 carat diamond is D color, Internally Flawless. Together with a letter... [Lire la suite]

Highly important and very rare fancy vivid blue diamond and diamond ring. Photo Sotheby's Centring on a square emerald-cut fancy vivid blue diamond weighing 8.01 carats, flanked on each side by a shield-shaped diamond together weighing approximately 1.00 carats, mounted in platinum. ESTIMATE 90,000,000-110,000,000 HKD NOTE: Ring size: 6Accompanied by GIA report numbered 2125017707, dated 8 June 2010, stating that the 8.01 carat diamond is natural, Fancy Vivid Blue colour, VVS1 clarity;... [Lire la suite]

  18 karat white gold and diamond ring. Photo Sotheby's The square emerald-cut diamond weighing 7.22 carats, size 6, illustrated unmounted. ESTIMATE 300,000-400,000 USD NOTE: Accompanied by GIA report no. 2125300517 stating that the diamond is G color, Internally Flawless, with Excellent Polish and Symmetry. Sotheby's. Important Jewels, New York | 09 Feb 2012 www.sothebys.com   

 Platinum, Sapphire And Diamond Brooch, Georges Thibault, France, Circa 1925.  Photo Sotheby's The bar brooch set in the center with a square emerald-cut diamond weighing approximately 1.25 carats, framed by buff-topped sapphires, bordered by round and old European-cut diamonds weighing approximately 3.20 carats, partial maker's mark, French assay marks. Estimate  12,000-15,000 USD Sotheby's. Magnificent Jewels, New York 20 september 2011 www.sothebys.com

The Annenberg Diamond. Weighing 32.01 carats. Mounted by David Webb. Estimate: $3-5 million US. Photo: Christie's Images Ltd 2009 NEW YORK, NY.- Christie’s, the world’s leading auction house for fine jewels and the market leader in the category for the past 15 years, announced that The Annenberg Diamond, a spectacular D color, Flawless diamond of 32.01 carats, will be the leading highlight of Jewels: The New York Sale on October 21, 2009. Valued between $3-5 million and boasting the impressive provenance synonymous with the... [Lire la suite]

Pair of diamond earclips The half hoops set with 10 square emerald-cut diamonds weighing a total of 16.86 carats, mounted in platinum. Estimate 90,000—120,000 USD. Sold 110,500 USD to a Private Collector. NOTE : Accompanied by 10 GIA reports stating that the diamonds are D to G color and VVS2 to VS2 clarity Sotheby's. Important Jewels. 04 Feb 09. New York www.sothebys.com photo courtesy Sotheby's