Natural Diamonds | Diamond Stone – GIA C
WebGet to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.
Diamond - Wikipedia
WebDiamond is a solid form of pure carbon with its atoms arranged in a crystal. Solid carbon comes in different forms known as allotropes depending on the type of chemical bond. The two most common allotropes of pure carbon are diamond and graphite.
Diamond | Definition, Properties, Color, Applications, & Facts
WebMar 8, 2024 · 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, diamonds have a number of important industrial applications.
Diamond: A gem mineral with properties for industrial use
WebDiamond 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 covalent bonds - the strongest type of chemical bond.
Diamond Description - All About Gemstones - GIA
WebOn almost all modern birthstone lists, diamond is recognized today as the birthstone for April. Diamond is also the gem that marks the 60 th and 75 th wedding anniversaries. Diamond’s unique optical and physical properties give it the highest possible luster of any transparent gemstone.
Diamond History and Lore - All About Gemstones - GIA
WebDiamonds have a long history as beautiful objects of desire. In the first century AD, the Roman naturalist Pliny stated: “Diamond is the most valuable, not only of precious stones, but of all things in this world.” A diamond has to go through a lot before it reaches the jeweler’s display case.
Diamond (gemstone) - Wikipedia
WebDiamond [a] is a gemstone formed by cutting a raw diamond. Diamonds are one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times.
HOW TO BUY A DIAMOND - GIA 4Cs
WebHow do you protect your purchase? What are the 4Cs of diamond quality? The GIA 4Cs of diamond quality helps you understand a diamond’s characteristics as well as its value and price. Cut is perhaps the most crucial of the 4Cs.
Diamonds: Formation, grading and other facts | Live Science
WebJan 18, 2022 · Diamonds are the most sought-after and admired gemstones, with a sparkling brilliance that sets them apart from all other jewelry. That’s as true today, when diamonds are mined on an industrial...
The Complete GIA Guides to Buying Diamonds | 4Cs of Diamond …
WebGIA, the world’s leading authority on diamond quality, provides detailed guides to help you choose a diamond. Learn how to buy a diamond with our complete set of diamond buying guides.
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