- 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 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
- 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
- GIA Diamond Research
Diamond stands at the apex of the hardness scale with a value of 10 It also has the highest thermal conductivity and the highest molar density of any terrestrial material, as well as a high resistance to acids, corrosion, and radiation
- Home | GIA 4Cs
While choosing a diamond is a very personal decision, evaluating a diamond should always be a matter of precision At GIA, we are incredibly proud that our 4Cs of diamond quality continue to educate the diamond industry and most importantly, protect diamond consumers everywhere
- What Is a Real Diamond? - GIA 4Cs
Incredibly hard, highly refractive, practically impervious to heat, diamond is a crystal form of carbon But what makes it a real diamond? Find out!
- GIA Diamond Origin
A diamond’s journey is every bit as fascinating as its sparkle GIA’s Diamond Origin and its related resources help you tell the story of the people in the country who brought you your diamond and helped make it shine
- The Extraordinary Backstory of Natural Diamonds: A Diamond Is (and Has . . .
Examines new developments in the story of diamond formation and their extraction from the earth
|