But two diamonds of equal weight can have very different values depending on the other members of the Four C’s: clarity, color and cut ... traders used them as counterweights in their balance scales.

Infrared Spectroscopy and Its Use in Gemology Infrared spectroscopy, specifically FTIR analysis, measures atomic vibrations to determine identity, cause of color, and potential ... species through ...

“The Winston Red diamond is one of the most exquisite gems on earth, from its unparalleled deep-red color to its rich history,” said Susan Jacques, GIA president and CEO.“Natural fancy ...

Carlsbad, Calif., April 08, 2025 (GLOBE NEWSWIRE) -- A team of scientists from the Gemological Institute of America (GIA), collaborating with their colleagues from the Smithsonian National Museum ...

Dr. Ho Seong Jang and colleagues at the Extreme Materials Research Center at the Korea Institute of Science and Technology ...

“The Winston Red diamond is one of the most exquisite gems on earth, from its unparalleled deep-red color to its rich history,” said Susan Jacques, GIA president and CEO. “Natural fancy-colored ...

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When it comes to diamonds, carat weight plays a significant role in their overall value. A high quality 4 carat diamond ring ...