Why Do Diamonds Sparkle Total Internal Reflection?

Why Do Diamonds Sparkle Total Internal Reflection? Light cannot easily escape a diamond, because its critical angle with air is so small. Most reflections are total, and the facets are placed so that light can exit only in particular ways—thus concentrating the light and making the diamond sparkle. Why does the diamond sparkle? As the

Which Physical Properties Make Diamonds So Valuable?

Which Physical Properties Make Diamonds So Valuable? Diamonds have a range of physical properties which give them value. They are one of the hardest materials known to man, and can cut glass, marble and granite. They are thermal conductors, resistant to pressure and act as electrical insulators. What physical properties make diamonds valuable? Hardness. Low

What Is The Most Reputable Diamond Certification?

What Is The Most Reputable Diamond Certification? Gemological Institute of America Who is the best diamond certification company? What are the best Diamond Certifications? Which Diamond Grading Institute produces the most trusted certifications in the diamond industry? The most widely recognized diamond grading laboratories are the GIA (Gemological Institute of America) and EGL (European Gemological

How Did Harry Winston Get The Hope Diamond?

How Did Harry Winston Get The Hope Diamond? Harry Winston Inc. of New York City purchased Mrs. McLean’s entire jewelry collection, including the Hope diamond, from her estate in 1949. On November 10, 1958, they donated the Hope diamond to the Smithsonian Institution, and almost immediately the great blue stone became its premier attraction. Who