About 2,290,000 results
Open links in new tab
  1. Duff's Fine Jewelry Stores - Flower Mound and Keller, TX

    Whether buying fine jewelry, pre-owned Rolex or Swiss-made watches, or selling your unwanted gold, silver, diamonds, watches and coins, visit Duff's Jewelry first.

  2. GIA Gem Encyclopedia | Complete List Of Gemstones

    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 …

  3. International Gem Society

    Information and educational services for everyone interested in gemstones. For gemologists, hobbyists, jewelers, lapidaries and everyone in between. Learn how to get started with the …

  4. Gemstone - Wikipedia

    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.

  5. Gemstone | Definition, History, Types, & Facts | Britannica

    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 …

  6. Gemstones: Facts, photos, and information for over 100 gems.

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

  7. Gemological Institute Of America | All About Gemstones - GIA

    Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.

  8. Gemstone List - Names, Colors & Types of Gems | GemSelect

    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. …

  9. List of Gemstones: Precious and Semi-Precious Stones - Gem Society

    Discover everything about amethyst gemstones — from their meaning and ... Ametrine is a variety of quartz that displays bands of both amethyst p... Ammolite is a rare, iridescent, gem-quality …

  10. What is A Gem? All Your Gemstone Questions Answered

    Jul 25, 2019 · All Your Gemstone Questions Answered What’s a gem? When someone has characteristics we deem virtuous and beloved, we might call them a gem. Similarly, a gem …