Research & News
GIA Researchers Reveal the Secrets to Diamond-in-a-Diamond Mystery
GIA researchers in NY recently had the opportunity to examine one of the most interesting and unique diamond crystals ever found.
The GIA Diamond Origin Report: Traceability Based on Science
Consumers now, more than ever, have a heightened awareness of sustainably and ethically sourced products. The GIA Diamond Origin Report uses scientific evaluation to provide confirmation of a diamond’s geographic origin.
Tourmaline Inclusion in Russian Alexandrite
Russian alexandrite hosts well-formed prismatic tourmaline inclusions, a rare combination worthy of a collector’s specimen.
Faceted Diamond Stellate Cloud Inclusion
A remarkable inclusion scene in diamond is showcased by an unconventional cutting style.
Iolite-Sunstone Intergrowth and Inclusions
A unique cabochon specimen composed of “bloodshot” iolite and sunstone offers a visually pleasing combination.
The Rare Sun Diamond
An eye-visible cloud with a star-like pattern is highlighted by the cut of the Rare Sun diamond.