第一珠宝精品导购互动平台 投稿
         
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每周鉴宝

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世界知名巨钻,一般都名家收藏品/国宝,喜欢宝石的人不得不看,偶搜罗了一些,大家欣赏!可不要心痒难耐!
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The Agra 阿格拉

德里回教政权灭亡后,1526年蒙兀儿帝国巴伯尔大帝(Babur)在印度建立蒙兀儿帝国,成为第一位君王。巴伯尔执政时,以北方邦的阿格拉(Agra)为首都。 阿格拉钻石第一次出现于1526年当第一个蒙兀儿皇族(Mogul emperor 1483-1530)打败了格温特国王(the Rajah of Gwailor)时期,蒙兀儿帝国巴伯尔大帝带着阿格拉钻石在他的头巾上。后来被偷运到英国。据说强迫马吃进肚里偷运的。到1844年,文莱公爵用大约$25000美金买下。阿格拉钻石经过多年转易,到1990年阿格拉钻石被放于伦敦佳士得拍卖公司(Christie‘s London)拍卖,最后在拍卖会上由一间公司透过香港苏富比拍卖行(SIBA Corporation of Hong Kong)用$4,070,000投得。 此阿格拉钻石被美国宝石学协会(Gemological Institute of America)评级为 Fancy Light Pink, VS2 clarity diamond. 21.10 x 19.94 x 11.59 mm, 32.34 carats.

The Agra was graded by the Gemological Institute of America as a naturally colored Fancy Light Pink, VS2 clarity diamond. It measured 21.10 by 19.94 by 11.59 mm and weighed 32.34 carats. It was expected to fetch £1,500,000 but after fierce bidding it sold for £4,070,000 (about $6.9 million). The winning bid was made by telephone and came from the SIBA Corporation of Hong Kong, the same company that owns the Allnatt Diamond. The total value of the gems and jewelry sold at this record auction was £12,900,000. Since that appearance the Agra has been recut to a modified cushion shape (and judging by photos, most likely a stellar brilliant cut) weighing 28.15 carats.
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The Ahmadabad 艾哈迈达巴德
The Ahmadabad has been graded by the GIA as D-color, VS1 clarity and was accompanied by a working diagram indicating that the clarity is improvable. The gem is an antique pear-shaped brilliant and its weight is 78.86 carats. I have not seen its GIA certificate but I would wager its culet was graded as Extremely Large, as can be seen in the photo above. I am guessing the gem was was more of a double-sided rose cut originally, with a pear-shaped outline, essentially a somewhat flattened briolette. Also, the pavilion mains are horizontally split, a cutting step visible in the above photo. The gem came up for sale at Christie's in Geneva in November of 1995 when it was bought by Robert Mouawad for $4,324,554.

位于印度西部古吉拉特省(Gujarat)的阿默特巴德(Ahmedabad),印度古代或现在钻石工业贸易发达城市。

出現時間出现时间

阿默達巴德鑽石的最早歷史來源到現今都不能確定。阿默达巴德钻石的最早历史来源到现今都不能确定。 比較確定的出現時間於1857年由印度女王Hazrat Mahal所擁有。比较确定的出现时间于1857年由印度女王HazratMahal所拥有。

最後到1995年被放於倫敦佳士得拍賣公司(Christie's London)拍賣,最後在拍賣會上由 Robert Mouawad 己 $4,324,554 USD 投得。最后到1995年被放于伦敦佳士得拍卖公司(Christie'sLondon)拍卖,最后在拍卖会上由RobertMouawad 己$4,324,554USD投得。

此鑽石被美國寶石學協會(Gemological Institute of America)評級為 D-color, VS1 clarity, 78.86 carats.此钻石被美国宝石学协会(GemologicalInstituteofAmerica)评级为D-color,VS1 clarity,78.86carats.
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The Allnatt 欧那特黄钻

重达101.29克拉的世界名钻∼黄钻Allnat,这颗黄钻产自南非,是世上仅有的十二颗重逾一百克拉的彩钻之一。
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The American Star 美洲之星

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The Amsterdam 阿姆斯特丹
This rare black diamond of African origin is reported to be completely black. It weighs 33.74 carats, has 145 facets and was cut from a 55.85-carat rough. The stone was first shown in February, 1973, at D. Drukker & Zn., Amsterdam. It was auctioned off at www.christies.com in November, 2001, for $352,000, setting a world record for the highest price fetched by black diamond at auction. The stone is cut in a pear shape, with horizontally split main facets on the crown.

切割形式: 梨型
颜色: 黑色
加工后质量: 33.74克拉
毛坯质量: 55.85克拉
产地及其它信息: 发现于非洲。钻石由D. Drukker公司加工成拥有145个刻面的梨型。它来自于一颗本要用于工业而非珠宝业的55.85克拉黑色天然钻石。它于2001年 11月在瑞士的一次拍卖会上以354 867美元的价格售出。创下了黑钻拍卖价的最高纪录。
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The Archduke Joseph 约瑟夫大公
This 76.45-carat diamond gets its name from Archduke Joseph August
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In this image, the lower photo appears to be a Tino Hammid photo, judging by the style.

It is thought that at some point he gave the diamond to his son, Joseph Francis (1895-1957). Minutes taken on June 1st, 1933 record that the diamond, at the time belonging to Archduke Joseph, was at the time deposited with the Hungarian General Credit Bank in the presence of a state counsellor. Three years later the diamond was sold to a European banker who kept it in a safe deposit box in France during World War II, where it forunately escaped the attention of the Nazis.
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The Arcots
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The Van Cleef & Arpels necklace, with the Arcot I at the bottom.
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