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 …

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

Feb 21, 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, …

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 …

Dec 22, 2025 · Diamonds are one of the most precious and valuable gemstones in the world, known for their exceptional hardness, brilliance, and durability. They are formed deep within the earth over …

Diamonds are dazzling, colorless carbon gemstones known for their durability, prestige, and popularity in engagement rings. Come along as we unearth the diamond’s history, meaning, and value!

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

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 make it useful for …

James Allen is leading online jewelry with top quality, conflict free diamonds to create the perfect engagement ring and unforgettable wedding ring. Enjoy free shipping, lifetime warranty, and hassle …

Diamond, the most famed and fabled of all gemstones, is very unique in many ways. Renowned for being the hardest substance on earth, its sparkling fire, durability, and rarity make Diamond the most …