12 août 2014

An Art Deco conch pearl, natural pearl and diamond brooch-pendant, by Bulgari

An Art Deco conch pearl, natural pearl and diamond brooch-pendant, by Bulgari. Photo Christie's Image Ltd 2012 he diamond-set scalopped lozenge-shaped openwork panel with baguette-cut diamond detail at the cardinal points and centering upon a conch pearl, measuring approximately 10.8-12.1 x 14.3 mm, flanked by diamond collets and button-shaped natural pearls, weighing approximately 13.53 and 12.66 grains, 1930s, 7.3 cm. Signed Bulgari. Estimate CHF30,000 - CHF40,000 ($32,180 - $42,907). Price Realized CHF105,000 ($111,279) ... [Lire la suite]

06 août 2014

A pair of conch pearl, coloured diamond and diamond pendent earrings

A pair of conch pearl, coloured diamond and diamond pendent earrings. Photo Bonhams Each pear-shaped purplish pink diamond, weighing 0.13 and 0.10 carats, within brilliant-cut diamond surround, suspending a conch pearl decorated with brilliant-cut diamonds of white and pink hue, mounted in 18k white and pink gold, remaining diamonds of pink hue approximately 0.50 carats total, diamonds approximately 0.70 carats total, length 2.2cm. Sold for HK$ 106,250 (€10,274) Accompanied by two reports from GIA stating:The 0.13 carat diamond is... [Lire la suite]
Posté par Alain Truong à 20:05 - Commentaires [0] - Permalien [#]
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01 août 2014

Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea

Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea. Photo Bonhams. A conch is one of a number of different species of medium-sized to large saltwater snails and their shells. True conchs are marine gastropod mollusks in the family Strombidae, and the most well known species is the "Strombus gigas or "Queen Conch". The pearls they produce are calcareous concretions—that is they are non-nacreous and are made up of calcium carbonate (rather than aragonite which is the composition of nacreous pearls). Several thousand snails... [Lire la suite]
Posté par Alain Truong à 10:57 - - Commentaires [0] - Permalien [#]
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01 août 2014

Large Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea

Large Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea. Photo Bonhams. A conch is one of a number of different species of medium-sized to large saltwater snails and their shells. True conchs are marine gastropod mollusks in the family Strombidae, and the most well known species is the "Strombus gigas or "Queen Conch". The pearls they produce are calcareous concretions—that is they are non-nacreous and are made up of calcium carbonate (rather than aragonite which is the composition of nacreous pearls). Several... [Lire la suite]
Posté par Alain Truong à 10:51 - - Commentaires [0] - Permalien [#]
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01 août 2014

Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea

Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea. Photo Bonhams. Characterized by its exceptionally rich, deep reddish-rose color, this lovely pearl possesses an excellent flame pattern iridescence and lustrous porcellaneous surface. Weighing approximately 2.65 carats and measuring 8.5 x 7.0 x 5.4mm. Sold for US$ 4,000 (€2,989) Bonhams. Gems, Minerals and Lapidary Works of Art New York - 23 May 2012
Posté par Alain Truong à 10:45 - - Commentaires [0] - Permalien [#]
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01 août 2014

Very Fine Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea

Very Fine Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea. Photo Bonhams. A fine flame pattern iridescence shimmering across the surface of this deep reddish pink conch pearl is the culmination of all the best attributes which recommend this fine non-nacreous pearl. It also possesses an excellent oval outline, perfect symmetry and a vitreous porcellaneous luster making it suitable for mounting in a fine item of jewelry. Weighing approximately 4.02 carats and measuring 9.5 x 7.5 x 6.5 mm. Estimate US$ 10,000 - 12,000... [Lire la suite]
Posté par Alain Truong à 10:33 - - Commentaires [0] - Permalien [#]
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24 juillet 2014

René Boivin Conch Pearl Amethyst Peridot Ring

René Boivin Conch Pearl Amethyst Peridot Ring. Photo (c) Pat Saling Price upon request. Pat Saling, 608 Fifth Ave, NY, NY 10020, United States. Tel: 212-582-3355
24 juillet 2014

Rare Belle Epoque Conch Pearl Diamond Platinum Butterfly Brooch, Circa 1900

Rare Belle Epoque Conch Pearl Diamond Platinum Butterfly Brooch, Circa 1900. Photo (c) MOBOCO Rare Belle Epoque Platinum Diamond and Conch Pearl Butterfly Brooch. Circa 1900. 8 Carats of Diamonds (the center Antique Cushion Cut Diamond is about 1 Carat). Beautifully hand fabricated with complete back azuring. 2 inches wide and 1 inch tall. The Conch Pearl is 4 Carats. Typically Conch Pearls are only found in sizes of 3 Carats or less. Conch pearls are one of the most Rare and valuable of all natural pearls. They cannot be cultured... [Lire la suite]
Posté par Alain Truong à 22:15 - - Commentaires [0] - Permalien [#]
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24 juillet 2014

Edwardian Conch pearl and Oriental Pearl Ring

Edwardian Conch pearl and Oriental Pearl Ring. Photo (c) Sandra Cronan Ltd. An Edwardian ring set with one conch pearl and one natural Oriental pearl, each with a small diamond to to centre, with an intricate diamond set platinum mount. Price: $19,000 Sandra Cronan Ltd. 16 Albemarle St. First Floor, London, W1S 4HW, United Kingdom. Tel: +44 (0) 2074 914 851
24 juillet 2014

Art Deco LaCloche Paris Conch Pearl Ear Pendants

Art Deco LaCloche Paris Conch Pearl Ear Pendants. Photo (c) Bentley & Skinner. A fine pair of La Cloche Art Deco conch pearl, enamel and diamond drop earrings, the conch pearls suspended from a diamond and black enamel geometric top, by LaCloche Freres, circa 1920s. Price $90,300 Bentley & Skinner, 55 Piccadilly, London, W1J ODX, United Kingdom. Tel: +44 (0) 2076 290 651
Posté par Alain Truong à 22:06 - - Commentaires [0] - Permalien [#]
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