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opal

14 juin 2011

An opal and diamond necklace.

An opal and diamond necklace. Photo Philips de Pury & Co Designed as a line of graduating variously-shaped cabochon opals, millegrain-set between brilliant-cut diamond spacers to a graduating fringe of similarly shaped opals and opal pendant clasp, necklace...

Posté par Alain Truong à 21:33 - Commentaires […] - Permalien [#]

Tags: Opal

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14 juin 2011

A pair of opal and diamond ear pendants.

A pair of opal and diamond ear pendants. Photo Philips de Pury & Co Each designed as a graduating line of variously-shaped cabochon opal between old brilliant-cut diamond spacers, length 6.3 cm, total opal weight approximately 11.8 carats, ear wire fittings....

Posté par Alain Truong à 21:27 - Commentaires […] - Permalien [#]

Tags: Opal

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14 juin 2011

An opal and diamond ring.

An opal and diamond ring. Photo Philips de Pury & Co The central oval opal, weighing approximately 14.00 carats, claw-set within a brilliantcut diamond cluster to baguette-cut diamond shoulders, ring size O. ESTIMATE £3,500-5,500 - SOLD AT £6,250 Philips...

Posté par Alain Truong à 20:16 - Commentaires […] - Permalien [#]

Tags: Opal

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6 février 2011

Platinum, Opal, Rock Crystal and Diamond Necklace, Tiffany & Co., retailed by Bailey, Banks & Biddle, first half 20th Century.

Platinum, Opal, Rock Crystal and Diamond Necklace, Tiffany & Co., retailed by Bailey, Banks & Biddle, first half 20th Century. photo Sotheby's The graduated single-strand composed of opal beads measuring approximately 13.6 to 6.2 mm., spaced by faceted...

Posté par Alain Truong à 19:36 - Commentaires […] - Permalien [#]

Tags: diamond, Rock Crystal, Tiffany Co, platinum, Opal

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13 novembre 2010

Gem-Quality East African Prase Opal. Mount Iyobo, Tanzania

Gem-Quality East African Prase Opal. Mount Iyobo, Tanzania © 2002-2010 Bonhams 1793 Ltd Weighing approximately 28.35 carats and measuring 22.5 x 19.0 x 11.0mm - Sold for $3,050 Both chrysoprase and prase opal have been mined on Iyobo Mountain in central...

Posté par Alain Truong à 15:59 - Commentaires […] - Permalien [#]

Tags: Opal, Prase Opal. Mount Iyobo, Tanzania

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13 novembre 2010

Hydrophane White Opal with Intense Fire. 570 km north of Addis Ababa, Wello (Wollo), Delanta Plateau, Tigray, Ethiopia

Hydrophane White Opal with Intense Fire. 570 km north of Addis Ababa, Wello (Wollo), Delanta Plateau, Tigray, Ethiopia © 2002-2010 Bonhams 1793 Ltd Weighing approximately 10.10 carats and measuring 21.5 x 14.0 x 7.5mm - Sold for $1,464 This is an excellent...

Posté par Alain Truong à 14:56 - Commentaires […] - Permalien [#]

Tags: Opal, Addis Ababa, Delanta Plateau, Ethiopia, Tigray, Wello (Wollo), White Opal

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12 novembre 2010

Rare Boulder Opal and Diamond Necklace—"The Black Rainbow". Queensland, Australia

Rare Boulder Opal and Diamond Necklace—"The Black Rainbow". Queensland, Australia © 2002-2010 Bonhams 1793 Ltd Designed and fabricated by James Currens. 2009 AGTA Spectrum Award Winner for 1st Place—Phenomenal Gemstone Category Featuring a fancy cabochon...

Posté par Alain Truong à 23:12 - Commentaires […] - Permalien [#]

Tags: Opal, Australia, Boulder Opal, Queensland

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12 novembre 2010

Rare Indonesian Hyrdophane Opal. Rangkasbitung, Banten Province, West Java, Indonesia

Rare Indonesian Hyrdophane Opal. Rangkasbitung, Banten Province, West Java, Indonesia © 2002-2010 Bonhams 1793 Ltd Weighing approximately 23.0 carats and measuring 23.0 x 22.5 x 9.75mm. Sold for $2,745 It is a little known fact that Indonesia produces...

Posté par Alain Truong à 22:46 - Commentaires […] - Permalien [#]

Tags: Opal, Indonesia, Banten Province, Indonesian Hyrdophane Opal, Rangkasbitung, West Java

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12 novembre 2010

Very Fine Mexican Jelly Opal—The National Gemstone of Mexico. Magdelena, Jalisco, Mexico

Very Fine Mexican Jelly Opal—The National Gemstone of Mexico. Magdelena, Jalisco, Mexico © 2002-2010 Bonhams 1793 Ltd Weighing approximately 8.95 carats and measuring 18.0 x 13.0 x 8.0 mm - Sold for $8,540 Opals were formed during the Cretaceous period...

Posté par Alain Truong à 22:34 - Commentaires […] - Permalien [#]

Tags: Opal, Mexico, Jalisco, Magdelena, Mexican Jelly Opal

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16 octobre 2010

Buccellati jewelry from the Blanche Thebom collection

A pair of South Sea cultured pearl and diamond earrings, Buccellati. © 2002-2010 Bonhams 1793 Ltd each designed as a floral surmount detailed with round brilliant-cut diamonds suspending a drop-shaped cultured pearl measuring approximately 14.0 x 12.5mm;...

Posté par Alain Truong à 18:54 - Commentaires […] - Permalien [#]

Tags: diamond, ruby, Buccellati, sapphire, Opal, South Sea cultured pearl, Blanche Thebom

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