The marquise diamond's timeless design has become a contemporary favourite, here are our favourite pieces from Tiffany & Co, ...

To celebrate the debut of her collaboration with Kendra Scott, Dolly Parton looks back at her favorite personal pieces.

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 ...