Aaron is also an actor and stay-at-home dad, which means coffee is his friend. The Righteous Gemstones, the HBO original series about a world-famous (and quite dysfunctional) televangelist family ...

How did the very uneven color distribution develop in fractured crystals? Are sunstones from each of the three mines distinguishable? In 2006, GIA collected gems from the Ponderosa and Dust Devil ...

In terms of what’s selling, the natural colorless-diamond market has weakened recently, he reports, but interest in rare natural fancy-color diamonds has risen ... stones like Paraiba tourmaline and ...

A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry. Welcome to GIA. Students around the globe turn to GIA for the knowledge, ...

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