Long before they’re polished and set in gold, the world’s greatest gems sleep beneath mountains, rivers, and deserts. Their origins are as captivating as their glow: volcanic depths, ocean floors, and ...

GIA’s role in examining notable stones reflects its broader mission to protect the public trust in gems and jewelry through science, education and unbiased analysis. Established in 1931, GIA is ...

Just northeast of the University of Arizona lies one of Tucson’s breathtaking Gem, Mineral & Fossil Shows. The Mineral Village Show on North Oracle Road fills an entire block with rare gem, mineral, ...

From the legendary Hope Diamond to a rainbow of colorful gemstones, a multigenerational bond between the Winston family and the Smithsonian transformed the museum’s world-renowned gem collection Emma ...