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 ...

Malabar Gold & Diamonds, the responsible jeweller and one of the world’s largest gold and diamond retail chains, announces the launch of its exclusive new collection, ‘Swarnakriti’. This classic ...

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.

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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.