List of products by brand GIA

GIA Opal Micro Inclusions Chart
Opal Micro Inclusions Chart
This wall chart contains superbly detailed photomicrographs showing internal features observed in natural, treated, and synthetic Opal.
€26.00
GIA wallchart Ruby Micro Features Chart
Ruby Micro Features Chart
This wall chart contains superbly detailed photomicrographs showing internal features observed in natural, treated, and synthetic ruby. 
€26.00
Sapphire Micro Features Chart
Sapphire Micro Features Chart
This wall chart contains superbly detailed photomicrographs showing internal features observed in natural, treated, and synthetic sapphires. Published in the Summer 2017 issue with the article by Nathan D. Renfro et al., ìInclusions in Natural, Synthetic, and Treated Sapphire," 
€26.00