Observations of Oval-, Pear-, and Marquise-Shaped Diamonds: Implications for Fancy Cut Grading Presents findings from observations of oval-, pear-, and marquise-shaped diamonds, laying the groundwork ...

A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry. Welcome to GIA. Students around the globe turn to GIA for the knowledge, ...

In fact, some of Hollywood’s favorite jewelry brands — including Jenny ... sterling silver and sustainably sourced natural gemstones. Meanwhile, Selena Gomez has been wearing its rings on ...