香港鉴定所鉴别出超过 1 克拉的圆形 CVD 合成钻石 (英语)
Advances in CVD growth technology have resulted in crystals that yield well-proportioned round brilliant cuts.
CVD 合成钻石不寻常的 DiamondView 图片 (英语)
Deep blue fluorescence in a CVD synthetic diamond mimic patterns found in natural specimens.
Natural-Color Tanzanite and Yellow Sapphire – Tucson 2014
Cultured Pearl Market Update – Tucson 2014
Cultured pearl market update from the 2014 gem shows in Tucson, Arizona.
在莫哥寻找“绝地”尖晶石 (英语)
Documents a series of visits to Myanmar in search of exceptionally bright pinkish red spinels possessing no dark tones.
Assembled “Pearl” Filled with Wire
Microradiography reveals wire fillings within a “pearl” created from two separate specimens.
A Look Inside a Remarkably Large Beaded South Sea Cultured Pearl
A study of the nacre and the cavity of a large Pinctada maxima cultured pearl yields a theory on the specimen’s formation.
日光石、金红石石英和绿柱石的特殊宝石工艺 — 2014 年图森 (英语)
Stunning examples of gem cutting and design from the GJX Show in Tucson, Arizona.
Red Beryl – Tucson 2014
Red beryl, mined from Utah and displayed in both loose form and in suites of jewelry, were seen at the AGTA show in Tucson.
石化的晶洞壳 – 2014 年图森 (英语)
Fossilized gastropod shells, trademarked for use in jewelry, are exhibited at the 2014 Tucson gem shows.
图书:《史密森尼关于宝石的自然指南》 (Smithsonian Nature Guide on Gems)
《史密森尼关于宝石的自然指南》 (Smithsonian Nature Guide on Gems) 的书评。
在阿富汗寻找祖母绿
GIA 实地宝石学家们都比较与众不同。 GIA 卡尔斯巴德实地宝石学经理 Andy Lucas 决定休假,但却没有去常规的度假地。 不是海滩,不是滑雪场,也不是国际都市。 Lucas 反而被优质的祖母绿矿藏吸引,前往了阿富汗。
《宝石与宝石学》(Gems & Gemology) 创刊 80 周年
这八十年来,《宝石与宝石学》(Gems & Gemology) 一直都是宝石和珠宝行业的重要资源。 早在 20 世纪 40 年代就出现了关于钻石分级的开创性文章。 通过“实验室注意事项”部分,GIA 宝石学家报告最新的处理和合成方法,从而为行业及公众提供保护。
来自《宝石与宝石学》(Gems & Gemology) 的 重要文章
八十年来,GIA 的同行审查季刊《宝石及宝石学》(Gems & Gemology) 教育了几代读者并为购买宝石的大众提供保护。 我们将分享十大重要文章,这些文章对宝石和珠宝专业人士尤为重要。

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