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

In a discovery that offers a glimmer of optimism amid a turbulent year for the diamond industry, Rio Tinto ...

This pair of earrings from Jade Trau is a true one of a kind, featuring diamonds made in the triangular trillion cut, which ...

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: Mother's Day is right around the corner, and that means it is officially gifting GO TIME! If you have yet to find your mom or mother figure the perfect surprise, do not fret. We did the ...

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 ...