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