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  1. Diamond - Wikipedia

    Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Diamond is tasteless, odorless, strong, brittle solid, colorless in pure form, a poor …

  2. Natural Diamonds | Diamond Stone – GIA C

    Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.

  3. Diamond | Definition, Properties, Color, Applications, & Facts

    Nov 19, 2025 · A diamond is a mineral composed of pure carbon. It is the hardest naturally occurring substance known; it is also the most popular gemstone. Because of their extreme hardness, …

  4. Diamond: A gem mineral with properties for industrial use

    What is Diamond? Diamond is a rare, naturally occurring mineral composed entirely of carbon. Each carbon atom in a diamond is surrounded by four other carbon atoms and connected to each of them …

  5. Diamond Jewelry for Women | Neiman Marcus

    Shop the diamond jewelry collection at Neiman Marcus. Where artistry meets elegance, explore rings, necklaces, earrings and more to find your perfect sparkle.

  6. Diamond (gemstone) - Wikipedia

    Diamond[a] is a gemstone formed by cutting a raw diamond. Diamonds have high monetary value as one of the best-known and most sought-after gems, and they have been used as decorative items …

  7. Diamond Description

    Diamond forms under high temperature and pressure conditions that exist only within a specific depth range (about 100 miles) beneath the earth’s surface. Diamond’s crystal structure is isometric, which …

  8. Diamond: The gemstone, the mineral, the super material.

    Diamond is much more than the world’s most popular gemstone and hardest natural material. Today man-made diamonds are being used in computers, speakers, cutting tools, bearings, laser windows, …

  9. Diamond History and Lore

    Diamonds have a long history as beautiful objects of desire. In the first century AD, the Roman naturalist Pliny stated: “Diamond is the most valuable, not only of precious stones, but of all things in this …

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

    Learn & Connect Learn How To Buy Engagement Rings Discover Diamond Origin Use our labs to Verify a Stone Download Gems & Gemology This Month's Featured Gems