Lightning Ridge（闪电山脊）是全球优质黑蛋白石之都，这种蛋白石是人们最梦寐以求的一种。 2015 年 6 月，一群 GIA 实地宝石学家参观了澳大利亚新南威尔士的这个传奇小镇。 和我们一起探索这个重要的优质蛋白石产地吧。

Emerging artist Trishala Ashok – who has won multiple design awards – looks beyond the mundane and minutiae of daily life to create her jewelry.

与 GIA 实地考察队一同参观蒙大纳州岩溪蓝宝石矿业地区，见证直接从产地采收的精美宝石。

Inclusions in technogenic ruby slag help to separate this material from other specimens, both natural and synthetic.

Review of If These Jewels Could Talk: The Legends Behind Celebrity Gems, by Beth Bernstein.

Five large HPHT synthetic diamonds, examined at GIA’s Hong Kong lab, indicate the advances HPHT growth technology has made in quality and size.

Examines the challenges of ethical sourcing and production of colored stones, and what some industry leaders are doing to address the situation.

Located near the Arctic Circle, Diavik is one of the world’s richest diamond deposits and a leader in sustainable mining.

Chronicles the famed emerald source through the adventures of Peter W. Rainier, who directed the mine from 1926 to 1931 and restored its former glory.

Hardstone figures of two Russian imperial bodyguards, commissioned in 1912 by Nicholas II, demonstrate the House of Fabergé’s meticulous detail and craftsmanship.

The first triplite inclusion in a topaz host is examined.

Blisters examined in the Bangkok lab have been treated with an artificial filler.