13 juin 2011
A 1967 pair of diamond pendant earrings & A diamond solitaire ring, Harry Winston

11 mai 2011
Fancy Light Pink Diamond Ring Brings $358,500 as Top Lot in $5+ Million Fine Jewelry Event
Fancy Light Brownish-Pink Diamond, Diamond, Platinum Ring. Photo Heritage Auctions
The ring features a marquise-shaped diamond measuring 26.89 x 11.08 x 6.74 mm and weighing 11.74 carats, enhanced by triangle-shaped diamonds, one measuring 9.50 x 8.80 x 2.88 mm and weighing 1.33 carats, and one measuring 9.25 x 8.10 x 2.88 mm and weighing 1.26 carats, set in platinum. A GIA Gem Trade Laboratory report # 1122868433, dated December 3, 2010, stating Natural Fancy Light Brownish-Pink Even color, SI2 clarity, accompanies the center... [Lire la suite]
09 mai 2011
JAR jewelry @ Sotheby's Geneva, Magnificent Jewels and Noble Jewels, 17 May 2011
Spectucular pair of gem-set and diamond ear clips, JAR. Photo Sotheby's
Each designed as a stylised articulated feather, set with circular-cut gemstones such as sapphires, garnets, tourmalines and spinels of various sizes and colours, accented with single-cut diamonds, mounted in gold and silver, signed JAR's Paris, French assay and maker's marks, case. Estimate 95,000 - 185,000 CHF
LITERATURE: Cf: JAR Paris, London, 2002 for several examples of jewels of naturalistic inspiration using faceted gemstones in graduated colours.
... [Lire la suite]
08 mai 2011
Blue Diamond @ Sotheby's. Magnificent Jewels. 14 Apr 11. New York
A Magnificent and Rare Fancy Vivid Blue Diamond Ring. Photo Sotheby's
The marquise-shaped diamond of fancy vivid blue color weighing 3.18 carats, within an openwork mounting designed as a flower set throughout with small round near colorless diamonds, mounted in 18 karat pink gold, size 6. Estimate 3,000,000—4,000,000 USD. Lot Sold 3,274,500 USD
Accompanied by GIA report no. 2125196928 stating that the diamond is Fancy Vivid Blue, Natural Color, Internally Flawless.
When Jean-Baptiste Tavernier, the explorer and merchant, sold... [Lire la suite]
02 mai 2011
Pair of 18 Karat Gold, Silver, Diamond, Sapphire and Emerald Earclips, JAR, Paris, 1998

16 avril 2011
Diamonds @ Sotheby's. Magnificent Jewels, 14 Apr 11, New York
A Magnificent Emerald-Cut Diamond. Photo Sotheby's
The emerald-cut diamond weighing 30.52 carats. Estimate 3,000,000—4,000,000 USD. Lot Sold 3,386,500 USD
Accompanied by GIA report no. 2115516430 stating that the diamond is D color, VVS1 clarity, with Excellent Polish and Excellent Symmetry.
Platinum and Diamond Pendant, Circa 1915. Photo Sotheby's
The pear-shaped diamond weighing 20.74 carats, surmounted by an emerald-cut diamond weighing approximately .50 carat, and an old European-cut diamond weighing approximately .85... [Lire la suite]
07 octobre 2010
Federico Buccellati jewelry @ Sotheby's, Magnificent Jewels & Jadeite, 06 Oct 10, Hong Kong
Diamond necklace, bracelet ans pair of matching ear clips, Federico Buccellati. photo courtesy Sotheby's
The articulated necklace of openwork design, decorated by brilliant-cut diamonds, length approximately 380mm; a pair of matching earrings, clip fittings, and bracelet en suite; the diamonds altogether weighing approximately 12.20 carats, mounted in 18 karat white and yellow gold; en suie, length approximately 175mm; the diamonds signed. (3) - Estimate 270,000—390,000 HKD. Lot Sold 620,000 HKD
Accompanied by fitted... [Lire la suite]
02 octobre 2010
Harry Winston jewelry @ Sotheby's, Important Jewels, New York

13 avril 2010
Magnificent white diamonds @ Sotheby's Hong Kong
Highly important diamond rivière necklace. photo Sotheby's
Est. 32,000,000—40,000,000 HKD. Lot Sold 52,180,000 HKD
NOTE: Accompanied by fifty GIA reports stating that all the diamonds are D colour, Flawless to Internally Flawless clarity, with Excellent Cut, Polish and Symmetry; and with additional diamond classification report stating that the 6.55 carat diamond has been determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency.
... [Lire la suite]
19 mai 2009
Marquise-shaped diamond ring, Van Cleef & Arpels
Marquise-shaped diamond ring, Van Cleef & Arpels
Set with a marquise-shaped diamond weighing 4.78 carats, between pear-shaped diamond shoulders, mounted in platinum, size 52, indistinctly signed, numbered. Accompanied by GIA report no. 2105595071 stating that the diamond is D Colour, VVS1 Clarity, together with an additional GIA worksheet stating that the stone may be Potentially Flawless after repolishing. Est. 90,000—130,000 CHF. Lot Sold 182,500 CHF
Sotheby's. Magnificent Jewels and Noble Jewels And A Celebration of... [Lire la suite]