To achieve the 8% economic growth this year, Deputy Minister of Planning and Investment Tran Quoc Phuong said comprehensive ...

Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading ...

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 ...

Jinhuei Enya Dai is a practitioner and researcher who believes that pedagogy is theory in practice, and has dedicated herself to innovative pedagogy, an ecological perspective, content-based ...