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Research & News
Consumer Confidence, Jewelry Sales, On the Rise
The improving economy and continued employment growth in the U.S. have Americans looking past the news of the day to go out and spend money.
Gota de Aceite in a Zambian Emerald
A phenomenon usually seen in Colombian emeralds is found in a specimen from Zambia.
2018 GIA Symposium
Scientists and business leaders will gather at a summit of the gem and jewelry industry.
Aragonite Spheres in Ethiopian Opal
Unusual inclusions are found in an opal from Ethiopia’s Wollo Province.
Update on Dyed Hydrophane Opal
Opal purportedly from a new deposit is found to be dyed.
Remarkable Twinned Calcite Inclusion in Mogok Ruby
A clear example of calcite twinning is found in a ruby from the Mogok Stone Tract.