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.

Our birthstone chart features both modern and traditional options. See galleries of birthstone jewelry by month and learn more about these beautiful gems.

Browse our gemstone list with names, colors, and types of gems. Explore natural gems like ruby and sapphire at GemSelect for jewelry or collecting.

Gem Encyclopedia is a virtual journey through the science and lore of Gemstones from across the globe. Each Gem page features Gemological Information, a Buyer’s guide, photos, videos & …

Emerald is the most popular green gemstone in the United States and most of the world.

Dec 26, 2025 · Gemstone, any of various minerals highly prized for beauty, durability, and rarity. A few noncrystalline materials of organic origin (such as pearl and amber) also are classified …

Discover affordable gemstones and gemstone collecting accessories for sale at JTV. Buy gemstones online to find great deals both quickly and easily.

Gemstones are precious and semi-precious stones. They are typically are grouped based on their shared characteristics such as chemical composition, crystal structure, color, or rarity. This …

On this page, you’ll find detailed explanations of how both common and rare gemstones form, what minerals they are made of, where they occur, what optical and physical properties they …

Gemstones.com is the one-stop destination for all gem information, providing quality educational material and inspiring to explore the world of gemstones.