14 juillet 2011

Bague «Jonquille»

Bague Diamant Jaune. Photo Kohn Sertie d'un diamant de taille brillant dans un double entourage de diamants. Poids du diamant principal: 7, 90 carats Poids des diamants de l'entourage: environ 3 carats - Estimation : 40 000 - 50 000 € Bague «Jonquille». Photo Kohn En or gris, sertie d'un diamant de taille émeraude de couleur «fancy yellow» dans un entourage de diamants ronds et épaulée de deux diamants carrés. Poids du diamant central: 2, 04 carats - Estimation : 20 000 - 25 000 € Certificat: GIA... [Lire la suite]
Posté par Alain Truong à 18:08 - - Commentaires [0] - Permalien [#]
Tags : ,
17 mai 2011

Coloured diamonds @ Heritage Auctions, 2 may 2011

  Colored Diamond, Diamond, Platinum Ring, Linz. Photo Heritage Auctions The ring features a pear-shaped yellow diamond weighing approximately 1.05 carats, enhanced by a pear-shaped brown diamond weighing approximately 1.00 carat, further enhanced by two marquise-shaped diamonds, one pink and one blue, each weighing approximately 0.60 carat, accented by tapered baguette-cut diamonds weighing a total of approximately 6.40 carats, complimented by baguette-cut diamonds weighing a total of approximately 0.90 carat, set in... [Lire la suite]
08 mai 2011

Yellow diamonds @ Sotheby's. Magnificent Jewels. 14 Apr 11. New York

Platinum, 18 Karat Gold, Fancy Vivid Yellow Diamond and Near Colorless Diamond Ring, Schlumberger for Tiffany & Co., 1972. Photo Sotheby's The cushion-shaped diamond of fancy vivid yellow color weighing 11.13 carats., framed by bees set with small round and marquise-shaped near colorless diamonds weighing approximately 2.05 carats, size 6¼, signed Tiffany, Schlumberger. With box signed Tiffany & Co. designed by Schlumberger. Estimate 500,000—700,000 USD. Lot Sold 1,082,500 USD NOTE: Accompanied by GIA report no.... [Lire la suite]
05 février 2011

A. Aletto & Aletto Brothers jewelry @ Sotheby's

18 Karat Gold, Platinum, Fancy Yellow Diamond and Diamond Ring, A. Aletto. photo Sotheby's The cut-cornered square modified brilliant-cut diamond of fancy yellow color weighing 5.09 carats, flanked by triangular-shaped near colorless diamonds weighing approximately .60 carat, size 5½, signed A. Aletto. Estimate 30,000—50,000 USD. Lot Sold 46,875 USD  Accompanied by GIA report no. 14462355 stating that the diamond is Fancy Yellow, Natural Color, VS1 clarity. Pair of 18 Karat Gold, Platinum, Diamond and Sapphire... [Lire la suite]
Posté par Alain Truong à 20:31 - - Commentaires [0] - Permalien [#]
Tags : , , , ,
30 décembre 2010

Diamonds Shine in $4.2+ Million Heritage Jewelry Auction

The top jewelry lot was a stunning Diamond, Platinum Ring, featuring one emerald-cut diamond weighing 18.40 carats, enhanced by triangle-shaped diamonds weighing a total of approximately 5.00 carats. It rose, amidst spirited bidding, to finish the day at $388,375, more than doubling its pre-auction estimate at $175,000. DALLAS, TX.-- It was all about big diamonds on Monday, Dec. 13, as some truly stunning rocks took center stage at Heritage Auctions' Signature(r) Fine Jewelry Auction, with an almost 88% sell-through... [Lire la suite]
18 novembre 2010

Yellow diamonds @ Sotheby's Geneva

Exceptional Fancy Vivid Yellow diamond and diamond ring. photo courtesy Sothebys The fancy vivid yellow heart modified brilliant-cut diamond weighing 12.16 carats, flanked by pear-shaped diamonds, mounted in yellow gold and platinum, size 52. Est. 950,000—1,300,000 CHF. Lot Sold 1,874,500 CHF Accompanied by GIA report no. 2125583246 stating that the diamond is Fancy Vivid Yellow, Natural Colour, Internally Flawless. Fancy Intense Yellow diamond ring, Harry Winston. photo courtesy Sothebys The cut-cornered... [Lire la suite]
01 octobre 2010

Yellow diamonds @ Sotheby's

Fancy Intense Yellow Diamond Ring. The cut-cornered rectangular modified brilliant-cut diamond of fancy intense yellow color weighing 17.97 carats, flanked by trapeze-cut diamonds weighing approximately 3.00 carats, mounted in 18 karat gold and platinum, size 6. Estimate 400,000—600,000 USD. Lot Sold 482,500 USD Accompanied by GIA report no. 11076633 stating Fancy Intense Yellow, Natural Color, VVS1 clarity. Fancy Intense Yellow Diamond Ring. The cut-cornered rectangular modified brilliant-cut diamond of... [Lire la suite]
17 septembre 2010

An Escada-cut diamond single-stone ring

An Escada-cut diamond single-stone ring. photo courtesy Bonhams The Escada-cut diamond, weighing 10.01 carats, between rectangular fancy-cut diamond shoulders, ring size N½ - Estimate: £35,000 - 40,000. Unsold Accompanied by an International Gemological Institute (IGI) certificate stating that the diamond is Fancy Yellow, natural colour, SI1 clarity. Certificate number 2-286-9636, dated 28 May 2010.Note: The Escada cut, created exclusively for the eponymous luxury fashion house, is a 12 sided cut with 97 facets, designed to... [Lire la suite]
Posté par Alain Truong à 23:25 - - Commentaires [0] - Permalien [#]
Tags : , ,
13 juin 2010

Yellows diamonds @ Christie's, New York Jewels, 15 June 2010, New York

A diamond and treated colored diamond butterfly brooch, by Carvin French. Photo: Christie's Images Ltd 2010 Designed as a butterfly, the body centering upon a cushion-cut diamond, weighing approximately 5.02 carats, flanked by two inverted pear-shaped diamonds, extending old mine, old European and circular-cut diamond articulated wings, each wing bezel-set with two larger old mine and pear-shaped diamonds and five circular-cut treated fancy vivid green-yellow or treated fancy intense greenish yellow diamonds, mounted in... [Lire la suite]
07 juin 2010

Yellow diamonds @ Christie's. Jewels: The Hong Kong Sale. 1 June 2010. Hong Kong

A rare coloured diamond and diamond ring. Set with a square-shaped fancy vivid yellow diamond weighing 12.87 carats, to the trapeze-cut diamond shoulders, mounted in platinum and 18k gold, ring size 5¾. Estimate HK$7,600,000 - HK$10,000,000 Price Realized HK$9,020,000 ($1,162,729)Accompanied by report no. 2115796299 dated 9 March 2010 from the Gemological Institute of America stating that the 12.87 carat diamond is a fancy vivid yellow, natural colour, VS1 clarity 12.87克拉方形鮮彩黃色VS1鑽石鑽石戒指 An impressive coloured... [Lire la suite]