Examination of the Largest Canadian Diamond
GIA examines a 187.66 ct pale yellow diamond from Diavik, the largest rough diamond ever found in Canada.
Spring 2015 G&G Examines Blue Spinel, Chinese Jewelry Design and the Latest in Synthetics
G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.
Update on Rock Creek Sapphire Deposit
An overview of recently expanded sapphire production at the Gem Mountain mine near Philipsburg, Montana.