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Alain.R.Truong
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Alain.R.Truong
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Alain.R.Truong
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30 septembre 2008

Opale boulder de forme rectangulaire

Opale boulder de forme rectangulaire
Opale boulder de forme rectangulaire Estimation : 500 / 800 CHF Vente du Jeudi 2 octobre 2008. Bijoux et Montres. Hôtel des ventes de Genève - 1205 Genève - Tel: +41 22 320 11 77
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28 septembre 2008

A collection of four unmounted black opals

A collection of four unmounted black opals
A collection of four unmounted black opals Comprising: three oval-shaped black opals and one triangular-shaped black opal, weighing 2.69, 4.79, 7.00 and 7.90 carats respectively (4) Sold for £9,600 (Copyright © 2002-2008 Bonhams 1793 Ltd., Images and...
14 septembre 2008

Diamond drop of 2.50 ct and blue-green colour.

Diamond drop of 2.50 ct and blue-green colour.
Diamond drop of 2.50 ct and blue-green colour. Treated. Estimation : 7 000 / 10 000 CHF With Gemlab Report No. 1739/08 Vente du Mardi 16 septembre 2008. Bijoux et Montres. Koller - CH-8031 Zurich. Tel: + 41/44/445 63 63
14 septembre 2008

Octagonal diamond, emerald-cut

 Octagonal diamond, emerald-cut
Octagonal diamond, emerald-cut 2.359 ct, G/SI1. Estimation : 12 000 / 18 000 CHF With copy of SSEF Report No. 05664 of 1986. Vente du Mardi 16 septembre 2008. Bijoux et Montres. Koller - CH-8031 Zurich. Tel: + 41/44/445 63 63
13 septembre 2008

Burma Sapphire

Burma Sapphire
Burma Sapphire Oval drop-shaped Burma sapphire of 9.55 ct and of very fine colour, untreated. Estimation : 28 000 / 38 000 CHF With Gemlab Report No. 1741/08 and Evaluation Report from the German Association for Gemstone and Jewellery Evaluation of 1987...
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13 septembre 2008

Burma Sapphire.

Burma Sapphire.
Burma Sapphire. light blue sapphire of 17.95 ct, untreated, antique oval cut. Estimation : 11 000 / 20 000 CHF With GRS Report No. GRS2008-051504 Vente du Mardi 16 septembre 2008. Bijoux et Montres. Koller - CH-8031 Zurich. Tel: + 41/44/445 63 63
10 septembre 2008

Aquamarine and diamond pendant

Aquamarine and diamond pendant
Aquamarine and diamond pendant White gold 750. Fancy pendant set with 1 extraordinarily large, greenish-blue Marambainha aquamarine of ca. 257 ct, in a plain prong setting with four double-prongs. The clip eyelet decorated with 1 old-mine-cut diamond...
9 septembre 2008

Tanzanite

Tanzanite
Tanzanite. Unset, drop-shaped tanzanite of 6.7 ct and very fine colour. Estimation : 1 300 / 2 000 CHF Tanzanite. Unset, oval tanzanite of 13.52 ct and very fine colour. Estimation : 4 000 / 6 000 CHF Vente du Mardi 16 septembre 2008. Bijoux et Montres....
29 août 2008

Cat’s eye

Cat’s eye
(from top) Cat’s eye alexandrite; Cat’s eye tourmaline; Cat’s eye chrysoberyl (image: Nan Yang gemological Institute) WITH its narrow, bright band of light that cuts across its golden surface like the eye of a feline, the cat’s eye is a miracle of nature...
3 août 2008

Hemimorphite. Dulong SN-ZN Deposit, Wenshan, Yunnan Province, China

Hemimorphite. Dulong SN-ZN Deposit, Wenshan, Yunnan Province, China
Hemimorphite. Dulong SN-ZN Deposit, Wenshan, Yunnan Province, China Significantly larger than many specimens of its type, this striking light blue drusy hemimorphite specimen which exhibits botryoidal growth and stalactites. Measuring 24 x 16 x 9in -...
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