Research Article Search Results
Rubies from the Niassa and Cabo Delgado Regions of Northern Mozambique
Ruby History and Lore
The name ruby comes from the Latin word ruber, which means “red.” The glowing red of ruby suggested an inextinguishable flame burning in the stone...
Ruby Journey
Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire
A Solution to Diamond Color Grading Problems
A New World of Glamour: Former Model Launches Fine Jewelry Brand
Vania Leles earned her GG from GIA in London in 2004 and promptly sent her curriculum vitae to Graff Diamonds on Bond Street for her dream job.
Design Inspiration: Historic Jewelry
All that was old is new once more – at least when exploring historic trend-setting jewelry styles of the 19th and 20th centuries.
Engagement Rings through the Ages
The engagement ring’s romantic traditions resonate throughout time. The Romans first introduced the betrothal ring as a plain, iron hoop.
AJDC Jewelry Collection
The GIA Museum showcases contemporary jewelry pieces donated by the American Jewelry Design Council.
GIA's Gübelin Gem Project: Various Gems, Danburite – Humite
Among the collection assembled by Dr. Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
Sapphire Rush Near Ambatondrazaka, Madagascar
A newly found deposit of sapphire in Madagascar is explored.
X-ray Computed Microtomography: Distinguishing Natural Pearls from Beaded and Non-Beaded Cultured Pearls
The distinction of natural from cultured pearls traditionally has been based on X-radiography.
