LAB NOTES
GEM NEWS INTERNATIONAL
Colorful Chatoyant Glass
A devitrified glass reminiscent of Victoria Stone is seen during the Tucson gem shows. Read More
FEATURED ARTICLE
A ‘Game-Changing’ Quality Assurance System for Jewelry Workmanship
Education teams create a step-by-step system and terms to evaluate jewelry workmanship – in the classroom and the trade.Read More
LAB NOTES
Melee Diamond Parcel Containing Nearly One-Third CVD Synthetics
GIA Melee Analysis Service reports a significant number of CVD synthetic diamonds in a parcel.Read More
GEM NEWS INTERNATIONAL
New Deposits of Gem-Quality Common Opal from Michoacán, Mexico
Material from a new opal deposit in Morelia, Mexico is examined. Read More
Featured Article
Diamond Producers Aim for Lower Qualities in Today’s Market
The average value of rough diamonds mined last year took a sharp drop, while demand has trended toward smaller stones and lower qualities.Read More
