Gem Labs

The Dragon Garnet by Gary Roskin, exclusive for the Roskin Gem News Report Dragon Garnet So, what is Dragon Garnet? What is it? Basically, Dragon Garnet is a Malaya...

Color Enhancement in Ruby has SGL Seeing Red by Bear Williams, Stone Group Labs (SGL) RUBIES are typically sent into professional gem labs for Identification...

Country of Origin - 3 Countries for 1 Sapphire What does it mean when a sapphire receives 3 Country of Origin reports and each country...

A Canary in the Ruby Mine by E. Billie Hughes and Wim Vertriest Low-Temperature Heat Treatment Experiments on Burmese Ruby Detection of low temperature heat treatment in...