Shelby Gem Factory

The Shelby Gem Factory was the production facility of ICT Incorporated, a company in Shelby, Michigan, United States, that manufactured artificial gemstones through proprietary processes. ICT began operations in 1970 and closed in December 2019.

ICT Incorporated
Shelby Gem Factory
TypePrivate
Founded1970 (1970)
Founders
  • Larry Paul Kelley
  • Craig Hardy
Defunct2019 (2019)
Headquarters
Shelby, Michigan
,
United States
Owners
  • Larry Paul Kelley
  • Jo Kelley
Websiteshelbygemfactory.com

History
see caption
Larry Paul Kelley and wife Jo Kelley, owners of the Shelby Gem Factory

Larry Paul Kelley established ICT (International Crystal Technology) in 1970 with Craig Hardy and Tom VanBergen.[1][2] Kelley had worked for Dow Chemical in Ludington and at a factory in Ann Arbor that produced laser crystals.[3] The facility was sited in Shelby because the town had a new industrial park.[4] By 2015, Kelley was ICT's sole owner.[5]

For a time, cubic zirconia was a lucrative product line; Shelby opened factories outside the United States to keep up with demand.[6][7]

A 50-seat theater ran a presentation for visitors[2] and jewelry was sold on site.[4]

The factory closed in 2019 after Kelley was diagnosed in 2017 with Alzheimer's disease. Other issues that contributed to the closing were worldwide competition and online markets.[7] Larry Kelley died on October 24, 2020.[8]

Manufacturing
see caption
Shelby Gem Factory jewelry of man-made synthetic rubies
see caption
A cubic zirconia gem-making furnace

Some of the furnaces burned at 5,040 °F (2,780 °C).[9] Factory tours were discontinued due to liability concerns attendant to the "very high temperatures and extremely bright light" and the unavailability of affordable insurance to cover the risk.[4]

The gems were synthesized in a furnace.[4] The Shelby Gem Factory's diamonds were simulants.[1] The factory also manufactured simulated citrine and topaz, along with other birthstone substitutes.[4]

See also

References
  1. Rohan, Barry (September 18, 1992). "Success glitters: Firm shines at producing gem substitutes". Detroit Free Press. Detroit, Michigan. p. 1E, 2E. Archived from the original on January 8, 2022. Retrieved January 8, 2022 – via Newspapers.com.
  2. Hallack, Sharon (December 9, 2019). "Getting their sparkle on for 50 years". Oceana's Herald-Journal. Shelby, Michigan. Archived from the original on January 9, 2022. Retrieved January 9, 2022.
  3. Weist, Jan (August 20, 1990). "Man-made gems save on budget". The Detroit News. p. 3E. Archived from the original on November 4, 2022. Retrieved November 4, 2022 – via GenealogyBank.
  4. Kates, Kristi (December 31, 2012). "A Flaming Success at the Shelby Gem Factory". Northern Express. Archived from the original on March 5, 2016. Retrieved September 8, 2015.
  5. Keefer, Melissa (February 7, 2015). "Shelby Gem owners love using science to create beauty". Ludington Daily News.
  6. "Shelby Gem Factory celebrates 40 years". Oceana's Herald-Journal. December 1, 2010. Archived from the original on October 17, 2021. Retrieved September 3, 2015.
  7. "Shelby Gem Factory to close". Oceana County Press. December 13, 2019. Archived from the original on October 17, 2021. Retrieved March 8, 2020.
  8. "Larry Paul Kelley". Oceana's Herald-Journal. October 27, 2020. Archived from the original on November 4, 2022. Retrieved November 4, 2022.
  9. DeZutter, Hank; DeZutter, Pamela Little (June 3, 1993). "Idlewild, Michigan: These Parts". Chicago Reader. Archived from the original on August 9, 2015. Retrieved November 8, 2015.

Further reading
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