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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 Description Diamond forms under high temperature and pressure conditions that exist only within a specific depth range (about 100 miles) beneath the earth’s surface Diamond’s crystal structure is isometric, which means the carbon atoms are bonded in essentially the same way in all directions
Diamond Quality Factors The 4Cs describe the individual qualities of a diamond, and the value of an individual diamond is based on these qualities The terms that people use to discuss the 4Cs have become part of an international language that jewelry professionals can use to describe and evaluate individual diamonds
Diamond History and Lore Diamond’s splendor has been appreciated for centuries, but there was not much scientific knowledge about it before the twentieth century Since then, diamond knowledge has grown steadily, with research by chemists, physicists, geologists, mineralogists, and oceanographers
How to Buy A Diamond - GIA 4Cs It isn’t until a diamond is cut, that the real beauty of a diamond begins to take shape With a GIA Diamond Grading Report, you can confidently make your next diamond purchase
Understanding the 4Cs of Diamond Quality - GIA 4Cs GIA’s 4Cs transformed the way diamond quality is determined and communicated, forever changing how diamonds are evaluated, bought and sold The 4Cs are for everyone
Diamond Cut: The Wow Factor The GIA Cut Grading System, introduced in 2005 and validated by thousands of observations by retailers, manufacturers and the public who looked at real diamonds and described why they thought certain diamonds were the best looking, can help you understand what to look for in a well-cut diamond
GIA Diamond Grading Scales: The Universal Measure of Quality The prospect of purchasing a diamond may seem daunting, but through GIA, an unbiased authority on diamonds, you have several handy resources to help you select the highest quality diamond First up, an overview of the 4Cs: Color, Clarity, Cut, and Carat Weight
Diamond - Gemological Institute of America what's in a name? Diamond [dye -mund] (noun) Diamond comes from the Greek word adamas which means “invincible ” For being the hardest material on earth, that is the perfect name for this gem!
Diamond Cut | Understanding The Cut Scale | GIA 4Cs Assessing the major components of a diamond, as well as its ability to interact with light, the Diamond Cut Grading System provides a standard system for consistently evaluating and documenting the cut quality of a standard round brilliant diamond from Excellent to Poor