Reports on rubies from the Montepuez area of Mozambique that have been heated at high temperature using a “flux‐assisted partial‐fissure‐healed” (FAPFH) and glass‐fissure‐filled (GFF). Download PDF to view.
U.S. Holiday Closure
GIA’s Carlsbad and New York locations will be closed on Monday, February 19. We will resume regular business hours on Tuesday, February 20.View All Holiday Closures