Learn how the structure, inclusions and properties of some gemstones interact with light to create unusual visual effects.
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“Jewels of Hollywood”, on loan from the Kazanjian Foundation, showcases some of the jewellery and accessories associated with Hollywood royalty.
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GIA graduate Franco Valobra creates a commemorative brooch to recognise healthcare workers on the front line of the coronavirus battle for survival.
Read MoreOften thought of as a deep red gemstone, garnet can also be yellow, orange, green or brown – any colour except blue.
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Explore GIA’s collection of free, rare digital books and manuscripts that document the history of gems and jewellery.
Read MoreThousands of years ago, red garnet necklaces adorned the necks of Egypt’s pharaohs, and were entombed with their mummified corpses as prized possessions for the afterlife.
Read MoreGarnets are a set of closely related minerals that form a group, resulting in gemstones in almost every colour.
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Arizona’s scenic desert and mountain landscape is the perfect backdrop for a modern Wild West road trip in search of gem and mineral treasures.
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Purplish Pink Spinel from Tajikistan: Before and After Cutting
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