GIA will also revise the weight categories and related fees for colored stone submissions. Details of the new weight and fee structure will be available on GIA.edu on January 1, 2026. The new weight ...

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 ...

CARLSBAD, CA — The Gemological Institute of America (GIA) has announced the appointment of Pritesh Patel as its next President and Chief Executive Officer. Currently serving as the Institute’s Chief ...

The Gemological Institute of America, known worldwide for its research into diamonds, colored gems and pearls, is cutting 151 workers at its global headquarters in Carlsbad because of an economic ...

When Maisie Plant, the young wife of the American industrialist, Morton Plant, was seated next to Pierre Cartier at a dinner party in 1917, she was said to have marveled over two strands of pearls so ...

Experts at a laboratory in Botswana managed by the Gemological Institute of America recently examined an extraordinary natural diamond with two distinct color zones. When you purchase through links on ...