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Alain.R.Truong
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
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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...
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...
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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 -...
3 août 2008

Rainbow Moonstone Sphere. Orissa, India

Rainbow Moonstone Sphere. Orissa, India
Rainbow Moonstone Sphere. Orissa, India With brilliant flashes of blue in the white moonstone, showing some black matrix, this is sphere originates from a locality known for its gem and massive moonstone deposits. Diameter 2 1/2in. Sold for $120 (Copyright...
3 août 2008

Amethyst Bowl. Hyderabad, India

Amethyst Bowl. Hyderabad, India
Amethyst Bowl. Hyderabad, India Unknown to many collectors in the west, India produces very fine quality massive amethyst suitable for carving. The amethyst used in this carved bowl has fine transparency and color zoning, excellent polish, brilliant violet...
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