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

Diamonds are among nature’s most precious and beautiful creations. Diamond forms under high temperature and pressure conditions that exist only about 100 miles beneath the earth’s surface. …

Comprehensive natural All diamond price guide. Compare prices across all carat sizes and quality grades. Find the best deals updated daily.

Use our diamond search feature to find IGI and GIA-graded conflict-free loose diamonds for engagement rings, jewelry and more. Browse thousands of options and use the filters to narrow …

May 15, 2026 · 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, …

Jan 30, 2026 · Whether you’re shopping for an engagement ring or you just love browsing jewelry, there’s nothing more classic and timeless than a diamond. But with so many different cuts out there, …

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In nature, diamonds are created within Earth’s mantle at depths exceeding 120 kilometers (75 miles) where temperatures soar and pressures are immense. Over billions of years, carbon atoms bond in a …

Mar 14, 2013 · The prospect of purchasing a diamond may seem daunting, but through GIA, an unbiased authority on diamonds, you have several handy resources to help you select the highest …