marquise-shaped diamond

A pair of diamond pendant earrings, Harry Winston, 1967. Photo Bonhams each designed as a pear-shaped diamond, weighing 3.90 and 3.43 carats, suspended from a marquise-shaped diamond and a cluster surmount of pear-shaped diamonds;unsigned, no. 6439, with signed box; remaining diamonds weighing approximately: 5.50 carats total; mounted in platinum; length: 1 3/8in. Estimate: US$90,000 - 120,000 Accompanied by GIA report #2135246746, dated April 4, 2011, stating the 3.90 carats as: D color, VS1 clarity.Accompanied by GIA report... [Lire la suite]

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]

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]

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]

Pair of 18 Karat Gold, Silver, Diamond, Sapphire and Emerald Earclips, JAR, Paris, 1998.  Photo Sotheby's The stylized hoops set with marquise-shaped diamonds weighing approximately 8.50 carats, accented by round sapphires and emeralds, maker's marks. Estimate 100,000—200,000 USD. Lot Sold 326,500 USD EXHIBITED: The Jewels of JAR, Paris, Somerset House, London, 2002-2003. NOTE: Illustrated in JAR, Joel Rosenthal and Pierre Jeannet, Art Books International, Paris, 2002, plate 378. Sotheby's.. Magnificent Jewels, 14 Apr... [Lire la suite]

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]

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]

A Highly Important Platinum and Diamond Pendant-Necklace, Harry Winston. photo courtesy Sotheby's The pear-shaped diamond weighing 10.02 carats, completed by a necklace set with pear-shaped and round diamonds weighing a total of approximately 30.00 carats, length 16 inches, signed HW for Harry Winston, numbered 65522 and 64108. With signed pouch.- Estimate 1,000,000—1,500,000 USD. Lot Sold 1,286,500 USD Accompanied by GIA report no. 16183096 stating that the diamond is D color, Internally Flawless. Together with a... [Lire la suite]

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]

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]