marquise-shaped diamond

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]

Emerald and diamond necklace Set at the front with eight pear-shaped emerald drops bordered by a line of brilliant-cut diamonds, alternating with yellow gold bars suspending pear-shaped emeralds, to marquise-shaped and brilliant-cut diamond stylised floral elements, the back row set with pear-shaped and triangular emeralds and brilliant-cut diamonds, mounted in yellow gold, length approximately 410mm, French assay and maker's marks. Accompanied by SSEF report no. 53437 stating that the two larger emerald drops are of Colombian... [Lire la suite]

Diamond ring Set with a marquise-shaped diamond weighing 9.32 carats, the open work shoulders embellished with brilliant-cut stones, mounted in platinum, size 55. Accompanied by GIA report no. 2105593157 stating that the diamond is I Colour, SI1 Clarity. Est. 75,000—85,000 CHFLot Sold. 104,500 CHF Sotheby's. Magnificent Jewels and Noble Jewels And A Celebration of Taste and , Magnificent Jewels from a Private Collection. 12 May 09. Geneva www.sothebys.com photo courtesy Sotheby's

Important Pair of diamond pendent earrings, Harry Winston, circa 1975 Each surmount designed as a cluster of pear- and marquise-shaped diamonds, two of the pear-shaped stones weighing respectively 2.24 and 2.76 carats, suspending a detachable pendant set with a marquise- and a pear-shaped diamond, the pear-shaped stones weighing respectively 8.43 and 8.91 carats, mounted in platinum, unsigned, maker's marks for Jacques Timey. Estimate Upon Request Accompanied by four GIA reports: nos. 1102517646 and 1102517644 stating that... [Lire la suite]

Magnificent Diamond necklace/bracelet, Harry Winston, circa 1975 The front set with eleven marquise-shaped diamonds weighing respectively 1.70, 1.97, 1.98, 2.27, 2.79, 2.94, 4.26, 4.36, 4.14, 4.51 and 6.09 carats, alternating with clusters of pear-shaped, circular- and brilliant-cut stones, the back row set with similar diamonds, mounted in platinum, length approximately 435mm, unsigned, pochette, detaches into five sections, the front part to be worn as a bracelet measuring approximately 165mm, the remaining parts to be... [Lire la suite]

Magnificent 22.30 carats Marquise-shaped Diamond ring, Harry Winston, circa 1975 Claw-set with a marquise-shaped diamond weighing 22.30 carats, between trapeze diamond shoulders, mounted in platinum, size 53, unsigned. Accompanied by GIA report no. 1102517508 stating that the diamond is D Colour, VVS1 Clarity. Estimate Upon Request Sotheby's. Magnificent Jewels and Noble Jewels And A Celebration of Taste and , Magnificent Jewels from a Private Collection. 12 May 09. Geneva www.sothebys.com photo courtesy Sotheby's

Fine Sapphire and diamond bracelet, Harry Winston, 1960s The articulated band designed as a series of oval, circular-cut and cushion-shaped sapphires alternating with step-cut diamonds, the three larger ones weighing respectively 1.44, 1.61 and 1.81 carats, the borders set with marquise-shaped and brilliant-cut diamonds, mounted in platinum, length approximately 175mm, unsigned, maker's marks. Accompanied by SSEF report no. 53114 stating that eleven sapphires are of Burmese origin and one of basaltic origin, all with no... [Lire la suite]

Fine Diamond necklace, Harry Winston and a 37.49 carats step-cut sapphire and diamond pendant The necklace designed as a line of marquise-shaped diamonds, length approximately 440mm, numbered, maker's marks for Jacques Timey, suspending a pendant set with a step-cut sapphire weighing 37.49 carats, within a cluster surround of pear- and marquise-shaped diamonds, all mounted in platinum, unsigned. Accompanied by SSEF report no. 53117 stating that sapphire is of Burmese origin, with no indications of heating. Est. 385,000—615,000... [Lire la suite]