如果阿盖尔矿生产的其他宝石价格不提高，阿盖尔粉红色彩色钻石的供应可能会在 2020 年中断。另附：更多钻石的最新信息。

Alumni celebrate Richard T. Liddicoat in Tucson. Winner of Gianmaria Buccellati Foundation Award for Excellence in Jewelry Design announced.

The grand prize winner of the 2017 Gianmaria Buccellati Foundation Award for Excellence in Jewelry Design is named.

GIA serves alumni by continuing to share knowledge, develop and deliver education, and provide opportunity for our alumni throughout their careers.

书评：Making Steampunk Jewellery（《制作蒸汽朋克珠宝》），作者：Nikki Druce（尼基·德鲁斯）。

The improving economy and continued employment growth in the U.S. have Americans looking past the news of the day to go out and spend money.

Charles（查尔斯）和 Erna Leutwyler（厄纳·路特威勒）捐赠的奖学金，使得在宝石和珠宝专业颇具抱负的后代们能够追逐自己的梦想。

Explores an exceptional family of diamonds, referred to as “CLIPPIR” (Cullinan-like, Large, Inclusion-Poor, Pure, Irregular, and Resorbed), that formed in a superdeep environment.

A clear example of calcite twinning is found in a ruby from the Mogok Stone Tract.

A unique inclusion in red spinel is indicative of a Burmese origin.

Unusual inclusions are found in an opal from Ethiopia’s Wollo Province.

A quartz crystal from Namibia, hosting of spherulitic to circular masses of shattuckite, is examined.

A Peruvian source yields a new azurite-malachite mixture.

Opal purportedly from a new deposit is found to be dyed.

An exhibit at the 2017 AGTA Tucson Gem Fair celebrates the work of Campbell Bridges.

Natural diamonds exhibit characteristics normally seen in synthetic material.

A pearl, thought to be natural, is revealed to be a bead-cultured specimen with a pre-drilled nucleus.

Coating on a beryl demonstrates the importance of thorough examination of jewelry and gem materials.

A light green specimen, submitted as a rough diamond, is actually a synthetic moissanite.

Examination of a chatoyant alexandrite cabochon.