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2016 年春季拍卖会最新动态:大额支票 - 大型钻石

大型钻石 - 真的非常大 - 占据 5 月新闻头条,打破了无色和有色钻石的销售纪录。

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图书:《纽约州矿产收藏家指南》 (The Collector's Guide to the Minerals of New York State)

《纽约州矿产收藏家指南》 (The Collector's Guide to the Minerals of New York State) 的书评

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如何保护您的钻石免于开裂

了解更多导致钻石出现缺口的原因,以及如何避免钻石缺口的 8 个提示。

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设计师对巴西及其宝石的爱,闪耀在她所设计的每一件作品中

Karyna Sena(卡琳娜·塞纳)是第三代宝石与珠宝专业人员,在她的每一件设计作品中都注入了巴西的丰富多彩和她的生活乐趣。

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Red Cordierite from Madagascar (英语)

The gemological properties of the first documented occurrence of red cordierite, from Madagascar, are examined.

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帝王火焰黄玉雕塑

一块帝王黄玉原石被雕刻成一颗精美的自由形态宝石。

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Blue Sapphires From a New Deposit Near Andranondambo, Madagascar (英语)

A recent rush in Madagascar yields new sapphire production.

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Analysis of Yellow Diamond Melee for Color Treatment and Synthetics (英语)

A parcel revealed to contain natural, treated, and synthetic diamonds reinforces the importance of identification.

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最大的蓝色高温高压合成钻石 (英语)

Analysis of a 5.03 ct HPHT-grown blue synthetic diamond, the largest ever examined by GIA.

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Ring with a CVD Synthetic Melee Diamond (英语)

A round-cut specimen set in a ring is the first mounted CVD synthetic melee diamond identified by GIA.

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Large Colorless HPHT Synthetic Gem Diamonds from China (英语)

A report on the HPHT growth of large, gem-quality colorless synthetic diamonds in China.

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Paula Crevoshay’s American Collection, Plus Jewelry with Nontraditional Gemstones (英语)

Lesser-known gem materials are seen in pieces alongside a collection created as an artistic inheritance for future generations of jewelry fans.

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