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Jewellery Shanghai 2014

Jennifer Stone-Sundberg and Ren Lu, July 25, 2014

An insider look at the May 2014 show, held at the Shanghai Word Expo Exhibition & Convention Center.

Assemblage of Synthetic Ruby in Calcite Matrix

Nazar Ahmed and Sutas Singbamroong, July 25, 2014

Material set in a calcite matrix and represented as natural ruby is proven to be synthetic.

Unusual Optical Effect in Blue Sapphire

Iurii Gaievskyi, Igor Iemelianov, and Elena Belichenko, July 25, 2014

A bluish violet sapphire shows surprising effects under lab examination.

Record-Size Natural Moissanite Crystals Discovered in Israel

Emmanuel Fritsch, Vered Toledo, and Antoinette Matlins, July 25, 2014

Natural moissanite crystals found in Israel has broken world records, with evidence of larger crystals in the area.

GIA Museum Exhibits in New York

Kristin Aldridge and Stuart Overlin, July 25, 2014

A brief look at GIA's permanent museum exhibit at the New York lab and campus.

Jadeite Bangle with the Appearance of Polymer Treatment

Larry Tai-An Lai, July 25, 2014

A jadeite jade bangle is submitted for lab testing to investigate the possibility of treatment.

Shattuckite from the DRC

Stuart Overlin, July 25, 2014

Rare shattuckite from the Democratic Republic of Congo, as seen at the Tucson Gem and Mineral Show.

Dyed Bone as a Red Coral Imitation

Gagan Choudhary, July 25, 2014

A specimen presenting as red coral is revealed to be dyed bone.