Search results
Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Another solid form of carbon known as graphite is the chemically stable form of carbon at room temperature and pressure, but diamond is metastable and converts to it at a negligible rate under those conditions.
Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA. Gem Encyclopedia Birthstones
Jun 10, 2024 · 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, diamonds have a number of important industrial applications.
Diamond [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.
Diamond is the only gem made of a single element: It is typically about 99.95 percent carbon. The other 0.05 percent can include one or more trace elements, which are atoms that aren’t part of the diamond’s essential chemistry.
3 days ago · Native Mineral. Diamond. Modified date: 25/09/2023. Diamonds are one of the most precious and valuable gemstones in the world, known for their exceptional hardness, brilliance, and durability.
Diamonds 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.
Jan 18, 2022 · By Andrew May. published 18 January 2022. The science of diamonds: what they are, where they come from and why they are so special. (Image credit: Getty) Jump to: Chemical composition. How they...
Diamond is the most romanticized and heavily marketed of all gemstones. Nearly every jewelry establishment handles diamonds, even if it has no other gemstones in stock. The annual world production of diamonds is on the order of 10 tons.
Diamonds are mined in dozens of countries around the world. GIA’s Diamond Origin tells the story of how diamonds mined from these countries support jobs, education, and health care and in many cases, how they help protect the environment in and around local mining communities.
