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 ...

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 ...

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 ...

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, ...

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 – ...

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Prices for lab-grown diamonds will continue to fall over the next year, he said. Zimnisky didn't have a price target, but said he believed loose lab ... have been known to buy lab-grown jewelry ...

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The Toshiba 75-inch C350 4K Fire TV is a great entry-level 4K smart TV option, and it offers tremendous value and at more than 30% off it’s one of the more significant Best Buy TV deals available.