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  1. Diamond - Wikipedia

    Diamond is a solid form of pure carbon with its atoms arranged in a crystal. Solid carbon comes in different forms known as …

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

    Sep 17, 2026 · A diamond is a mineral composed of pure carbon. It is the hardest naturally occurring substance known; it is also the …

  3. 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.

  4. Diamond (gemstone) - Wikipedia

    A diamond[a] is a gemstone formed by cutting a raw diamond. Diamonds have high monetary value as one of the best-known and …

  5. Diamond Search: Find Diamonds by Shape, Size, Quality, and Price

    Use our diamond search feature to find IGI and GIA-graded conflict-free loose diamonds for engagement rings, jewelry and more. …

  6. Diamond | Properties, Formation, Occurrence, Deposits

    Dec 22, 2025 · Diamond trading and investment is a multi-billion dollar industry, with major diamond centers located in cities such as …

  7. DIAMOND Definition & Meaning - Merriam-Webster

    Sep 25, 2026 · The meaning of DIAMOND is native crystalline carbon that is the hardest known mineral, that is usually nearly …

  8. 16 Types of Diamond Cuts: A Complete Guide - wikihow.com

    Jul 3, 2026 · Pick the perfect diamond shape with this guideWhether you're shopping for an engagement ring or you just love …

  9. Diamonds Direct | Engagement Rings, Diamonds, & Fine Jewelry

    Shop our extensive selection of diamond engagement rings, wedding bands, & other jewelry online. Experience the Diamonds Direct …

  10. Diamonds | Diamonds Direct

    Browse our selection of GIA-certified, conflict-free diamonds. Find the diamond jewelry of your dreams by shape, carat, cut, color, …