Mary’s Education

Mary Brodhagen, G.G.
Graduate Gemologist, GIA

Certificates earned from the Gemological Institute of America (GIA):

• Diamond Essentials
• Diamond Grading
• Colored Stones Essentials
• Colored Stones
• Colored Stones Grading
• Gem Identification
• Pearls
• Diamond Grading Lab Class
• Colored Stone Grading Lab Class
• Gem Identification Lab Class
• Pearl Grading Lab Glass

Colored Stone Grading Lab Class