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

Main diamond producing countries 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, …

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 …

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Diamond shape refers to the geometric appearance of a diamond. Diamond shapes are categorized into two groups: round diamonds and fancy shape diamonds. Round diamonds, …

Nov 12, 2025 · Diamond color may not be what you think. Our diamond color chart will give you a better understanding and help you pick the right diamond.

The meaning of DIAMOND is native crystalline carbon that is the hardest known mineral, that is usually nearly colorless, that when transparent and free from flaws is highly valued as a …

Complete guide to the 4 C's of diamonds; Cut, Color, Clarity, and Carat weight. Including charts and guides showing how diamond grades affect appearance and value.

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Diamonds occur naturally and vary in size, color, and quality, so the largest of a particular color may not be large in absolute terms, but may still be considered very desirable. Diamonds may …