We take a closer look at the path to acquiring specimens worthy of museum display cases and generational legacy collections.

Only one in ten thousand diamonds has a noticeable fancy color outside of the subtle color range normally associated with ...

Carlsbad, Calif., April 08, 2025 (GLOBE NEWSWIRE) -- A team of scientists from the Gemological Institute of America (GIA), collaborating with their colleagues from the Smithsonian National Museum ...

In the age of private sales and auction-house theatrics, the old metrics of diamond value—cut, clarity, carat and color—are only the opening act. True connoisseurs are chasing rarity, provenance ...

GN Diamond offers a game-changing solution for diamond retailers—an easy-to-use link or QR code that displays a diamond’s ...

Director of GIA’s London Campus Mehdi Saadian discusses the modern gem and jewellery student and how how jewellers can ...

Fluorescence imaging is the visualization of fluorescent dyes or proteins as labels for molecular processes or structures. It enables a wide range of experimental observations including the ...

Photoluminescence imaging, which analyzes how gemstones glow under ultraviolet light, is an important analytical tool for detecting impurities, natural versus synthetic gems, and treatments through ...

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 ...