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Alain.R.Truong
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oval mixed-cut sapphire
6 avril 2016

An Important Belle Époque sapphire and diamond ring, Tiffany & Co., circa 1910

An Important Belle Époque sapphire and diamond ring, Tiffany & Co., circa 1910
Lot 136. An Important Belle Époque 10.94 carats Burmese sapphire and diamond ring, Tiffany & Co., circa 1910. Estimate US$ 100,000 - 150,000 ( €88,000 - 130,000). Photo: Bonhams. centering an oval mixed-cut sapphire, weighing 10.94 carats, within a pavé-set...
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9 avril 2014

An orange sapphire single-stone ring, first half of the 20th century

An orange sapphire single-stone ring, first half of the 20th century
An orange sapphire single-stone ring, first half of the 20th century. Photo: Bonhams. The oval mixed-cut orange sapphire, within a four-claw setting, sapphire approximately 7.70 carats, ring size K. Estimate £6,000 - 8,000 (€7,300 - 9,700) Bonhams. FINE...
4 décembre 2013

An impressive sapphire and diamond ring, by Boucheron

An impressive sapphire and diamond ring, by Boucheron
An impressive sapphire and diamond ring, by Boucheron. Photo courtesy Bonhams. The oval mixed-cut sapphire, weighing 31.26 carats, between triangular-cut diamond shoulders, diamonds approximately 2.30 carats total, signed Boucheron, maker's mark, French...
31 mars 2013

Sapphire and diamond ring

Sapphire and diamond ring
Sapphire and diamond ring - Sotheby's. Set to the centre with an oval mixed-cut sapphire within an elliptical frame decorated with brilliant-cut diamonds, size L, French assay and maker's marks, two small diamonds deficient. Estimate: 15,000 - 20,000...
29 mai 2012

Christie's London Sale of Important Jewels comprises 368 lots, including royal and aristocratic jewels

Christie's London Sale of Important Jewels comprises 368 lots, including royal and aristocratic jewels
A superb Art Deco diamond tiara by Cartier. Estimate £100,000-150,000. Photo: Christie's Images Ltd 2012 LONDON.- Christie’s London sale of Important Jewels on Wednesday 13 June 2012 comprises 368 lots, including stunning royal and aristocratic jewels...
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29 mai 2011

Blue Sapphire jewelry @ Bonhams. Fine Jewellery & Jadeite, 26 May 2011, Hong Kong, Island Shangri-La Hotel

Blue Sapphire jewelry @ Bonhams. Fine Jewellery & Jadeite, 26 May 2011, Hong Kong, Island Shangri-La Hotel
An important sapphire and diamond ring. Photo Bonhams Set with an oval mixed-cut sapphire, weighing 22.98 carats, flanked by a pair of half moon-cut diamonds, mounted in platinum,the diamonds estimated to weigh approximately 1.75 carats in total, ring...
23 mai 2011

Bonhams Hong Kong 2011 Spring Auctions: Fancy Diamonds and Exquisite Gemstones – Fine Jewellery and Jadeite Auction

Bonhams Hong Kong 2011 Spring Auctions: Fancy Diamonds and Exquisite Gemstones – Fine Jewellery and Jadeite Auction
A rare natural conch pearl and diamond necklace. Photo: Bonhams Major shifts and changes took place in the jewellery industry worldwide at the beginning of the year, with high prices and a limited supply of fine jewellery deeply impacting the industry....
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