Jadeite Bangle with the Appearance of Polymer Treatment
A jadeite jade bangle is submitted for lab testing to investigate the possibility of treatment.
Shattuckite from the DRC
Rare shattuckite from the Democratic Republic of Congo, as seen at the Tucson Gem and Mineral Show.
Jewellery Shanghai 2014
An insider look at the May 2014 show, held at the Shanghai Word Expo Exhibition & Convention Center.
Dyed Bone as a Red Coral Imitation
A specimen presenting as red coral is revealed to be dyed bone.
GIA Museum Exhibits in New York
A brief look at GIA's permanent museum exhibit at the New York lab and campus.