Andrew Lucas（安德鲁·卢卡斯），Duncan Pay，许焘 (Tao Hsu)，Shane McClure，和 Pedro Padua 十一月 7, 2014

用不同方式和从不同角度观察钻石时您看到的效果可能会很不一样。

The world’s economic turmoil has begun to catch up with the superrich, who comprise most of the demand for the top gemstones, diamonds and designer jewelry pieces offered at BaselWorld 2015.

2012 年和 2013 年，GIA 的实地宝石学家们长途跋涉到塔斯马尼亚岛东北部附近的蓝宝石矿床收集样品，作为 GIA 的参考样品。

几个世纪以来，珠宝设计师们都对蝴蝶情有独钟，皆因它有着令人惊叹的美丽， 还因为“飞舞的花朵”令人浮想联翩。 蝴蝶是转变的普遍象征。

Examination of the largest HPHT synthetic diamonds GIA has examined to date demonstrated significant progress in this growth technology.

和 GIA 的实践宝石学家们一起，探索巴西的一些最重要，也是产量最高的祖母绿和碧玺矿。

2014 年假日季珠宝和手表销售总额比去年十一月和十二月下降了 1.4%（按价值计）。

李迪克碧玺是一种含钙丰富的锂电气石，于 1977 年被确认为独立矿物种别，其命名是为了纪念 Richard T. Liddicoate（理查德·T.·李迪克），他是 GIA 的第二任校长，被誉为“现代宝石学之父”。

Ten loose pearls with interesting shapes and internal growth features were from Pteria-species mollusks.

What appeared to be high-quality jadeite was actually dyed green marble with calcite as the main mineral.

Describes the extremely rare polished pink diamonds from Australia’s Argyle mine that have been sold for 30 years through invitation-only tenders.

Strong absorptions from N-V centers were the main cause of a CVD synthetic diamond’s pinkish orange bodycolor.

Reports preliminary findings—based on FTIR and Raman spectrometry of more than 300 samples—on distinguishing natural and synthetic emeralds using vibrational spectroscopy.

Examines the growing percentage of rough diamonds being sold through auctions, a shift that has caused price volatility while opening up supply to more manufacturers and dealers.

Although this stone bore some superficial resemblance to moissanite, its gemological properties were consistent with HPHT synthetic diamond.