Birthstones | Birthstone by Month - GIA
Learn about the birthstones for each month and their meanings, attributes and lore. Explore the history, origins and locations of these colorful gemstones and how to choose the perfect one for yourself or a loved one.
August Birthstones | Peridot & Spinel Birthstone Information - GIA
Learn about the three birthstones for August: peridot, spinel and sardonyx. Discover their meanings, histories, sources, colors and care tips from the Gemological Institute of America.
June Birthstones | Pearl, Alexandrite, Moonstone Birthstones - GIA
Learn about the history, meaning and varieties of the three June birthstones: pearl, alexandrite and moonstone. Find out where they are found, how to care for them and how to choose the best ones for you.
April Birthstones | Diamond Birthstone Meaning & History | GIA
Diamond is the only birthstone for April, symbolizing clarity and strength. Learn about its origin, lore, mining, care and quality from the Gemological Institute of America.
GIA Gem Encyclopedia | Complete List Of Gemstones
Learn about the science and lore of gemstones from across the globe with GIA's Gem Encyclopedia. Browse by name, color, country, or birthstone and discover the facts, photos, videos and research of each gem.
December Birthstones | Tanzanite, Turquoise, Zircon Birthstones
Learn about the history, meaning and care of the three December birthstones: tanzanite, turquoise and zircon. Discover their colors, sources and varieties, and how to choose the right one for you or a loved one.
February Birthstone | Amethyst Birthstone Source & Meaning - GIA
Learn about the history, meaning and sources of amethyst, the purple variety of quartz and the February birthstone. Find out how to care for and clean amethyst jewelry and how to distinguish natural from synthetic amethyst.
November Birthstones | Topaz & Citrine Birthstone Information - GIA
Learn about the history, meaning, and varieties of topaz and citrine, the two November birthstones. Find out where they are mined, how to care for them, and how to choose the best color for you.
March Birthstones | Aquamarine & Bloodstone Meaning - GIA
Learn about the history, properties and sources of the two March birthstones: aquamarine and bloodstone. Aquamarine is a blue-green gem that symbolizes purity and calm, while bloodstone is a dark green gem with red spots that represents strength and health.
October Birthstones | Opal & Tourmaline Birthstone Information
Learn about the history, meaning and properties of opal and tourmaline, the two birthstones for October. Discover the colors, sources and care tips for these stunning gems.