You know the famous four C’s: carat, cut, color, and clarity. But which “C” matters most, and what’s the fifth? We went straight to the Gemological Institute of America, the GIA. They created the ...

Sarine Technologies Ltd., the Israeli company that pioneered the world’s first software to automatically measure diamonds, has said it has now developed new machine learning technologies to ...

When shopping for a diamond, whether for an engagement ring or a piece of fine jewelry, you’ll quickly encounter the term Four Cs—Cut, Color, Clarity, and Carat Weight. These four characteristics ...

Natural History Museum of Los Angeles County is bringing together rare colored gems never before seen in the United States inside the museum’s Gem and Mineral Hall in an exhibition titled “Diamonds: ...