The GIA DiamondCheck ™ gives even more comprehensive results. It uses infrared technology to label tested stones as natural diamonds, treated or laboratory-grown diamonds or non-diamond material.
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 ...
Students examine the technical expertise needed to grade, buy, and sell diamonds with the insight of a seasoned professional. Coursework explores the GIA diamond grading procedures to assess the 4Cs – ...
You can also sell your loose diamonds to a certified GIA gemologist. These are professional appraisers who can verify the value of a diamond as well as its authenticity. You can loot for one online to ...
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, ...
a research scientist and senior manager of identification at the Gemological Institute of America (GIA). “They are both ‘diamonds.’” Choosing a lab-grown diamond also comes with some ...