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Mark Reyes, G.G.

For several decades Mark Reyes served as gemologist and lead instructor for IGI North America, designing and teaching diamond, gem and jewelry grading workshops, seminars & webinars and coordinating online learning for IGI clients across all sectors.
Consumer Education For Consumers For Professionals GemBlog Opinion

All About Colored Stones: Rhodochrosite

by Mark Reyes, G.G. | Leave a Comment
Consumer Education For Consumers For Professionals GemBlog

All About Colored stones: Morganite

by Mark Reyes, G.G. | Leave a Comment
Consumer Education For Consumers For Professionals GemBlog Opinion

All about Colored Stones: Pink, a Rosey Affair

by Mark Reyes, G.G. | 4 Comments on All about Colored Stones: Pink, a Rosey Affair
Consumer Education For Consumers For Professionals GemBlog Opinion

Is a Cultured Diamond a real thing? Yes and No!

by Mark Reyes, G.G. | Leave a Comment
lady at opera
Consumer Education For Consumers For Professionals GemBlog IGI Classroom

Colored Stones: All About Emerald, Birthstone of May

by Mark Reyes, G.G. | Leave a Comment
Pearl farm baskets
Consumer Education For Consumers For Professionals GemBlog Opinion

Colored Stones: All About Cultured Pearls

by Mark Reyes, G.G. | Leave a Comment
Peridot earrings
Consumer Education For Consumers For Professionals GemBlog

Colored Stones: All About Peridot

by Mark Reyes, G.G. | Leave a Comment
Rock Star
Consumer Education For Consumers For Professionals GemBlog IGI Classroom

Colored Stones: All About Garnet – Rock Star of Gems

by Mark Reyes, G.G. | Leave a Comment
Aquamarine pendant
Consumer Education For Consumers For Professionals GemBlog

Colored Stones: All About Aquamarine

by Mark Reyes, G.G. | Leave a Comment