Millions of diamonds are graded in GIA Laboratories annually. However, more and more counterfeit diamonds have shown up in the trade, becoming an increasing concern. To address this issue, a portable ...

Diamonds and other gemstones are weighed in metric carats: one carat is equal to 0.2 grams, about the same weight as a paperclip. (Don’t confuse carat with karat, as in “18K gold,” which refers to ...

But the Mohs scale is deceptive. The steps between the minerals are not evenly spaced. For example, diamond is only one number away, but it’s many times harder than gems in the corundum family.

This movie on the first female athlete to earn a million dollars drop kicked off opening night of the 39th Fort Lauderdale International Film Festival at the Seminole Hard Rock Hotel & Casino. The ...

USGBC accelerates and scales transformation of the built environment to minimize climate impacts and enhance the well-being of people, the environment and communities worldwide.

A new documentary traces Humphrey Bogart’s development from stage actor to the embodiment of brooding cinematic cool. By Ben Kenigsberg Starring Dwayne Johnson and Chris Evans, this Christmas ...