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

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

In this guide, explore interactive charts that show how experts grade diamond cuts and understand the impact cut has on a diamond's sparkle, fire, and brilliance.

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Jun 15, 2025 · diamond, 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, …

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 by strong …

Jul 31, 2023 · Your diamond was forged between one and three billion years ago deep beneath the earth’s surface. A powerful process called subduction, where ancient land masses moved …

Jul 1, 2024 · What is a diamond? A diamond is a naturally occurring mineral made up of pure carbon atoms arranged in a crystalline lattice structure. What makes diamonds so valuable? …

Yes, it is safe to buy diamonds online when shopping from trustworthy jewelers. We allow you to inspect your diamond up-close with high-quality photos, IGI or GIA certifications and even …

Diamond is the hardest known natural material and the third-hardest known material after aggregated diamond nanorods and ultrahard fullerite. Its hardness and high dispersion of light …