|
Diamond - Wikipedia
Diamond 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. In graphite, the bonds are sp 2 orbital hybrids and the atoms form in planes, with each bound to three nearest neighbors, 120 degrees apart. In ...
Diamond | Definition, Properties, Color, Applications, & Facts | Britannica
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 (gemstone) - Wikipedia
A diamond[a] is a gemstone formed by cutting a raw diamond. Diamonds have high monetary value as one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times. The hardness of a diamond and its high dispersion of light —giving a diamond its characteristic "fire"—make it useful for industrial applications and desirable as jewelry. Diamonds ...
Natural Diamonds | Diamond Stone – GIA C
Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.
DIAMOND Definition & Meaning - Merriam-Webster
The meaning of DIAMOND is native crystalline carbon that is the hardest known mineral, that is usually nearly colorless, that when transparent and free from flaws is highly valued as a precious stone, and that is used industrially especially as an abrasive; also : a piece of this substance. How to use diamond in a sentence. Did you know?
Diamond Search: Find Diamonds by Shape, Size, Quality, and Price | Blue ...
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 down the selection by carat, cut, color, clarity, shape, and price.
Diamonds | Diamonds Direct
Browse our selection of GIA-certified, conflict-free diamonds. Find the diamond jewelry of your dreams by shape, carat, cut, color, and clarity.
Diamonds Direct | Engagement Rings, Diamonds, & Fine Jewelry
Shop our extensive selection of diamond engagement rings, wedding bands, & other jewelry online. Experience the Diamonds Direct Difference today!
Diamond: Mineral information, data and localities.
Diamond is the hardest natural substance known. It is formed deep in the mantle and is only brought to the surface via kimberlite pipes, lamprophyres, ...
Diamond History and Lore
The world’s love of diamonds had its start in India, where diamonds were gathered from the country’s rivers and streams. Some historians estimate that India was trading in diamonds as early as the fourth century BC.
|