In their first joint interview, the couple — who announced their engagement in December 2024 — talked about what went into designing her marquise diamond sparkler Matt Winkelmeyer/Getty ...

Unlike a store like Tiffany & Co., you cannot have a ring sized to fit, as they are premade items. Most jewelry retailers use the Gemological Institute of America (GIA) color, clarity, cut ...

The Smithsonian’s National Museum of Natural History will unveil the Winston Red Diamond and Winston Fancy Color Diamond Collection Tuesday, April 1—an extraordinary showcase of some of the world’s ...

Composite metal foam performs equally to or better than most conventional metals used in shielding materials, while weighing significantly less, according to new research. By Margherita Bassi ...

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 ...