pink gems

With dark body colors and bright iridescent orient, Tahitian pearls have a unique appearance that stands out from other pearls. Learn more about…

As the new giant on the pearl market, the finest freshwater cultured pearls can rival even classic favorites. Often cultivated in China, these…

I had a recent phone call with pearl expert Jim Grahl to talk about the esoteric world of natural pearls. A major player in bringing cultured Tahitian…

Curious about natural pearls? Hear what pearl expert Jim Grahl has to say about natural pearls and pearl jewelry design, plus his tips for pearl…

A traditional favorite, a ruby engagement ring stone symbolizes love and passion. Learn how to find the gem that best fits your budget and style.…

Richard Hughes has been a leading ruby expert for decades. Learn how he got started and his tips for newcomers to the world of rubies.

Several species of marine mollusks produce stony growths called calcareous concretions or non-nacreous pearls. Varieties such as conch pearls,…

Like their marine cousins, many freshwater mollusks can produce pearls. However, this rarely occurs in nature. Today, the majority of pearls…

The geological conditions in which rubies and sapphires form are rare and extreme. Learn how these popular gems develop and how they get their colors.…