An exhibit featuring replicas of extraordinary diamonds won GIA’s museum the top awards from two gemology and mineralogy professional groups.

When a coating is removed, a carved piece of jadeite jade reveals that it is actually a doublet incorporating the similar-looking material known as serpentine.

An exciting find reveals a pocket of exceptionally large and lustrous royal blue sapphire crystals in a town already known for these beautiful gems.

Silver-set pieces created from pink thulite as well as blue slag material from the Middle Ages demonstrate Scandinavian diversity and artistry in jewelry design.

GIA Library director Robert Weldon is recognized by a professional organization for his long service in the field of gemology.

Intriguing bicolor sapphires and spectacularly colored thin sapphire slabs are produced by mines in Rock Creek and Inverell, respectively.

Freshwater pearls are the subject of GIA’s latest research involving the DNA barcoding and next-generation sequencing of biogenic materials.