we’ve talked about what makes things colored — the way objects absorb, reflect, or transmit light at different wavelengths. But let’s be a bit more specific. What gives gemstones colors ...

Most colored gemstones form near the earth’s surface in a wide range of different environments; for example, they can crystallize from igneous magmas or hydrothermal solutions, or via the ...

Becky Stone writes about jewelry styles for INSTORE. She is founder and CEO of well-known jewelry blog Diamonds in the Library. Retirement can be a great part of life. As Nanji Singadia puts it, “I ...

This sapphire from Kashmir has an intense velvety blue color. – Photo: Robert Weldon/GIA. Sapphire is one of the Big three of jewelry colored gemstones—the other two are ruby and emerald. A durable ...

(PRESS RELEASE) CARLSBAD, CA — GIA field gemologists recently completed their one-hundredth expedition, adding to the Institute’s unrivaled store of independently verified gemological information from ...

This first look at the upcoming season starts with Uncle Baby Billy's (Walton Goggins) latest desperate grasp at relevance: ...