The model recently debuted a prominent diamond on her left ring finger. After eight years together, soccer star Cristiano ...

A curator of the Victoria and Albert Museum’s “Cartier” exhibition explains how the jeweler’s “elegance” and “discretion” led ...

Chip Clark The Blue Heart Diamond, cut from a 100-carat stone found at the Premiere Mine in South Africa in 1909, had several owners before being donated to the Smithsonian by Marjorie ...

SHOPPING: Formula 1 is back in the United States with the upcoming race in Miami taking place on Sunday, May 4. This is the third year Miami will be hosting Formula 1 and it's one of the most ...

Diamonds and other gemstones are weighed in metric carats: one carat is equal to 0.2 grams, about the same weight as a paperclip ... the other members of the Four C’s: clarity, color and cut. The ...

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 ...