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 information, a buyer’s …

Jun 9, 2025 · An alphabetical list of precious and semiprecious gemstones, complete with photographs and a look at their chemical composition.

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.

Jun 9, 2020 · The standard four precious gemstones aren’t the only beautiful gems. Plus, plenty of semi-precious stones are more valuable! Learn every precious and semi-precious gemstone and what …

Precious stones are defined as visually appealing gemstones created from rocks or minerals. Often used for jewelry and fashion accents, this term was created in the mid-1800’s to refer to four specific …

May 6, 2024 · Precious stones, also known as precious gemstones and precious gems, are naturally occurring minerals that possess notable beauty, rarity, and durability. Traditionally, only four …

Oct 17, 2025 · Everything about precious gemstones including diamonds, rubies, sapphires, and emeralds and origins, properties in this expert guide!

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