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 ...

“GIA Diamond Grading Reports are based on rigorous examination by trained and experienced professionals who use scientific and impartial assessment of the diamond’s four C’s ...

A hand-held flashlight reveals the green color of a rough emerald from the Coscuez Emerald mine in Colombia. Photo by Eric Welch/GIA. Emerald is the green to bluish green variety of beryl, a mineral ...

Dubai [UAE], November 12 (ANI/WAM): Dubai Multi Commodities Centre (DMCC) launched the Dubai Diamond Week with its flagship Dubai Diamond Conference (DDC) on November 11, addressing key challenges in ...

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