“Diamonds hold that much allure.” GIA, a nonprofit organization founded in 1931 by Robert Shipley and based in Carlsbad, Calif., focuses on research, detecting treatments on stones, and ...
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 ...
The Diamond and Diamond Grading eLearning course brings to life the skills needed to grade the color, clarity and cut of diamonds through video, graphics, images and text.
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 ...
Graders at the Gemological Institute of America (GIA) recently came across some natural diamonds with interesting inclusions, some of which resembled animal life. A round, 1.55-carat, G-color, ...
The discovery of the Lucara Diamond in August in the Karowe Mine in northeast Botswana rocked the jewelry industry, but few were as moved by the historic find as Susan Jacques, the president and chief ...
The CEO of the Gemological Institute of America on the Lucara Diamond, GIA's mission determining the quality of stones. industry, but few were as moved by the historic find as Susan Jacques, the ...
Lab-grown diamonds are known by several different names, including synthetic diamonds, man-made diamonds, and cultured diamonds. They have the same physical properties of natural diamonds because ...