Research Article Search Results
Discover Mozambique’s Montepuez Ruby Mine with GIA’s Field Gemologists
See inside the world’s most productive ruby mining operation with GIA’s field gemology team.
Conversation with Jewelry Designer Martin Katz
From micro-pave to mega-watt glam, jeweler Martin Katz dazzles Hollywood stars and titans of industry alike. The award-winning designer shares his love of flying, why puka shells matter, and the blue diamond he’ll never forget.
GIA Field Gemologists Visit Pearl Farms Near Mergui, Myanmar
Dip beneath Myanmar’s waters in search of South Sea cultured pearls with GIA’s field gemologists.
GIA Field Gemologists Seek Ruby in Mogok, Myanmar
Venture into Mogok, Myanmar, in search of ruby with GIA’s field gemologists.
GIA Field Gemologists Seek Blue Sapphire and Lapis Lazuli in Mogok, Myanmar
Join GIA gemologists as they seek the blue treasures of Mogok.
GIA Field Gemology Team Explores Sapphire Mines at Ilakaka, Madagascar
Tour one of the world’s most active sapphire mining areas—the island of Madagascar—with GIA’s field gemologist Vincent Pardieu.
Romancing the Source: Pakistan
Accompany GIA field gemologists on a true gemstone mining adventure in the mountains of Pakistan, where beautiful gems are mined and cut. Travel with us on the old Silk Road used by Marco Polo, where the Himalaya, Karakoram, and Hindu Kush mountain ranges collide.
Emeralds: Colombia’s Buried Treasure
Colombia is home to a rainbow of gems, but emeralds – and the tales of lore that surround them – are the country’s most well-known treasures.
Summer 2015 G&G: Dual-Stars, Photomicrography Guide, Rubies from Tajikistan, New Micro-World Section
G&G Brief presents an overview of the content of the Summer 2015 issue of Gems & Gemology.
Special Jewelry Collection Showcases Innovative Designs, Techniques
The GIA Museum showcases contemporary jewelry pieces donated by the American Jewelry Design Council.
Near-Colorless Melee-Sized HPHT Synthetic Diamonds Identified in GIA Laboratory
The Bangkok lab examines near-colorless HPHT synthetic diamonds in melee sizes.
Synthetic Sapphire with Diffusion-Induced Color and Star
Diffusion treatment is used to induce color and asterism in a colorless synthetic sapphire.
