Gemstone List: A Complete Gemstones List with Images. Our gemstone list features over 200 precious and semi-precious varieties, a comprehensive index to find the ideal colored stone. …

New to gemstones? Curious about the different kinds of gemstones? Check out our gemstones list and discover a world of precious and semi-precious stones.

Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster.

GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological …

Gemstones are nature's unfinished work, crafted over millions of years. Each stone contains its own distinct energy, which affects anything from our mood to our fortune.

Articles about gemstones written by a GIA Graduate Gemologist. Each article includes photos and information about the gem's physical properties and geologic origin.

Apr 13, 2023 · Gemstones have played numerous roles in the myths and tales of human societies throughout history. Although some are believed to have unique powers, each shares a typical …

Discover the World of Gemstones From loose gemstones to mineral specimens, expand your gemological education and explore your own gemstone journey.

Oct 3, 2025 · gemstone, any of various minerals highly prized for beauty, durability, and rarity. A few noncrystalline materials of organic origin (e.g., pearl, red coral, and amber) also are …

Curious what your gemstones and crystals mean? Find out with our extensive list of precious and semi-precious stone meanings and properties.