briolette diamond

A magnificent diamond and coloured diamond pendent necklace. Photo Christie's Image Ltd 2013 The marquise-cut purplish pink diamond suspending a briolette diamond weighing 75.36 carats, joined to a briolette diamond neckchain, mounted in 18k rose and white gold,45.8 cm long (length adjustable). Estimate: HK$66,800,000 – HK$98,000,000 ($8,647,961 - $12,687,129)Accompanied by report no. 11812033 dated 18 april 2013 from the Gemological Institute of America stating that the 75.36 carat diamond is d colour, internally flawless... [Lire la suite]

Important light pink diamond and diamond necklace - Sotheby's Suspending a detachable pendant set with two marquise diamonds, a brilliant-cut light pink diamond weighing 6.93 carats, two circular-cut diamonds, one weighing 34.78 carats, and a briolette diamond weighing 11.38 carats, from a graduated circular-cut diamond rivière with a step-cut diamond clasp, length approximately555mm. Estimate: 1,410,000 – 2,350,000 CHF Accompanied by GIA report no. 5151265278, stating that the 6.93 carat diamond is Light Pink,... [Lire la suite]

Platinum and Briolette Diamond Ring, Jar, Paris - Photo Sotheby's The briolette diamond weighing 10.28 carats, suspended from a band set with 20 rose-cut and numerous single-cut diamonds, size 3¼, unsigned, with workshop marks and stamped PT950. With signed pouch. Estimation: 250,000 - 350,000 USD Accompanied by GIA report no. 1142722587 stating the diamond is G color, VS2 clarity. Sotheby's. Magnificent Jewels from the Collection of Mrs. Charles Wrightsman. New York | 05 déc.... [Lire la suite]

Important diamond necklace, Cartier - Photo Sotheby's The front designed as three tiers of brilliant-cut and baguette diamonds brought together at the centre with carré-cut stones, suspending a briolette diamond weighing 20.30 carats, the back designed as a row of brilliant-cut stones, the clasp set with a marquise-shaped diamond, length of shortest row approximately 400mm, signed Cartier Paris and numbered, French assay and maker's marks, case signed Cartier. Estimate: 335,000 - 525,000 CHF - Lot... [Lire la suite]

Magnificent and exceptionally rare fancy deep blue diamond - Photo Sotheby's The fancy deep blue briolette diamond weighing 10.48 carats. Estimation: 3,280,000 - 4,200,000 CHF Accompanied by a duplicate of GIA report no. 11736022, stating that the diamond is Fancy Deep Blue, Natural Colour, Flawless. NOTE DE CATALOGUE: By definition, a precious gemstone must be beautiful, rare and durable. These criteria are more than fulfilled by the exceptional diamond shown here: a magnificent Fancy Deep... [Lire la suite]

Diamond Ribbon Bow Brooch, circa 1840. Estimate $200/300,000. Formerly in the Collection of HRH Princess Marina, Duchess of Kent. Photo: Sotheby's NEW YORK, NY.- Sotheby’s announced that it will offer an important selection of jewelry from the collection of philanthropist, arts patron and collector Mrs. Charles Wrightsman in a dedicated auction on 5 December 2012 in New York. Magnificent Jewels from the Collection of Mrs. Charles Wrightsman will comprise more than 60 lots reflective of Mrs. Wrightsman’s elegant personal style, with... [Lire la suite]

18 karat white gold, carved emerald, diamond, pearl and onyx pendant-necklace. Photo Sotheby's. The pendant of Indian design set in the center with a carved emerald weighing approximately 66.00 carats, framed by round diamonds and pearls, supporting a graduated fringe composed of baguette and briolette diamonds, the total diamond weight approximately 14.85 carats, set throughout with carved onyx segments and a onyx ring, completed by a black cord necklace, length 20 inches, two diamonds missing. ESTIMATE... [Lire la suite]

A magnificent natural fancy light yellow briolette diamond. Photo Philips de Pury & Co A ring mount designed as a central natural fancy light yellow diamond, weighing 31.90 carats, set within a graduating cluster of briolette- and brilliant-cut coloured diamonds has been made to match Lot 355. ESTIMATE £300,000-400,000 - Unsold PROVENANCE Accompanied by report number 14907246, dated 15 April 2010, from the Gemological Institute of America (GIA), Carlsbad, stating the diamond to be natural fancy light yellow, VS1... [Lire la suite]

An exceptional diamond and coloured diamond pendent necklace Suspending a briolette diamond weighing 14.99 carats, surmounted by a fancy deep purplish pink diamond weighing 0.42 carat, set between two brilliant-cut colourless diamonds, joined to the fine neckchain, mounted in 18k white and rose gold, 40.5 cm longAccompanied by report no. 2105520469 dated 20 January 2009 from the Gemological Institute of America stating that the 14.99 carat diamond is D colour, internally flawless clarityNote no. 0903556 dated 3 March 2009 from... [Lire la suite]