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The Global Leader in Diamond Brilliance, Fire and Sparkle Certification GemEx® Systems has been the light performance standard in the diamond industry since 1998. GemEx introduced the concept of scientifically measuring the light performance of diamonds and consumer have embraced this metric of diamond evaluation as demonstrated by the great success that GemEx customers have had selling diamonds with the GemEx Reports.

GemEx Systems, Inc. Questions

The GemEx Systems, Inc. annual revenue was $14 million in 2026.

Randall Wagner is the President and CEO of GemEx Systems, Inc..

5 people are employed at GemEx Systems, Inc..

GemEx Systems, Inc. is based in Mequon, Wisconsin.

The NAICS codes for GemEx Systems, Inc. are [54, 3345, 334, 33451, 33, 334518, 541].

The SIC codes for GemEx Systems, Inc. are [391, 39].

Top GemEx Systems, Inc. Employees

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