Emerald with Mobile Inclusion
An emerald rough displays a large, multiphase inclusion suspended in fluid.
Natural Freshwater “Fish” Pearl
A uniquely shaped freshwater pearl is examined in the New York lab.
Screening of Mounted Melee Using the GIA iD100
GIA’s new screening device accurately identifies an HPHT-grown melee diamond.
Unusual Bodycolors ofPrecious Opal
Two stones with unusual bodycolor are identified as precious opal.