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, …

Mar 25, 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, …

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

Shop fine jewelry, Diamond and Tanzanite creations of superlative craftsmanship. Timepieces such as Tag Heuer Guess and many more.

Diamond is much more than the world’s most popular gemstone and hardest natural material. Today man-made diamonds are being used in computers, speakers, cutting tools, bearings, laser windows, …

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 …

Oct 23, 2023 · Everything you need to know about diamonds from someone who isn't trying to sell you a diamond. Advise on how to choose a diamond and evaluate the 4Cs.

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 …

Sep 19, 2015 · 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 …

Diamond, the hardest substance found in nature, was known to the ancient Greeks. They called the gemstone adamas, using the same word they used for any unbreakable or indestructible substance, …