If the idea of a diamond that’s as brilliant, durable, and breathtaking as a mined one—but without the environmental ...

(IDEX Online) - More than half of all couples are now buying a lab grown diamond engagement ring, according to research carried out in January for The Knot wedding website. A survey of almost 17,000 ...

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, ...