The Duluth-based company has been around 23 years. On the Sunday before Christmas at the Gem Shopping Network studios in Duluth, host Marvin Pierschbacher is working to sell dozens of colorful diamond ...

Gem Shopping Network (GSN) has carved a unique space in the shoppable media market: Its primary business is still conducted via linear television, akin to the Home Shopping Network and QVC, but it ...

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