U S JEWELRY CONSUMERS are choosing larger, higher-priced diamond center stones for their engagement and fashion rings, ...

The rating for these characteristics determines the quality of a diamond. The cut is a matter of personal taste, but the quality of the cut matters to its brilliance. Clarity is a measure of the ...

Dan Diamond is a White House reporter for The Washington Post. He was previously a national health reporter covering politics, policy and public health. He joined The Post in 2021 after covering ...

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 ...