Great Lakes Gem Co.

Great Lakes Gem Co. Jon Lief and Great Lakes Gem Co. have been gem importers and estate buyers since 1978. Our inventory is in the U.S.A. so there are no tariffs.

We import Ruby, Emerald, Sapphire, Aquamarine, Tourmaline, Topaz and many more varieties of fine gemstones.

02/08/2026
08/12/2025

No tariffs, ever, on our vast inventory, which has been in the USA for years. We have supplied gem dealers for decades. Our inventory is spread out all over the country, but only a day or two shipping from being viewed by our customers.

Blue Green Tourmaline. Part of an estate. Tucson dealers asking $175 per carat. Our price, $60 per carat. 2 carat to ...
02/20/2025

Blue Green Tourmaline. Part of an estate. Tucson dealers asking $175 per carat. Our price, $60 per carat. 2 carat to 14 carat sizes.

Tanzanite. 11.68 carats $3900
07/12/2023

Tanzanite. 11.68 carats $3900

Morganite. 7.15 carats. $357
07/12/2023

Morganite. 7.15 carats. $357

Blue Sapphire 1.97 carats. $1600
07/12/2023

Blue Sapphire 1.97 carats. $1600

Peridot. 7.81 carats. $1249.60
07/12/2023

Peridot. 7.81 carats. $1249.60

Blue Topaz Briolette. 24.85 carats. $124
07/12/2023

Blue Topaz Briolette. 24.85 carats. $124

Coming soon. More rare and exotic gemstones. We are starting the process of retiring. (Most people believe I will be g...
07/05/2023

Coming soon. More rare and exotic gemstones. We are starting the process of retiring. (Most people believe I will be good at this since for decades I have done less work than a retired guy.)

Rare gemstones. Black Opal, Pink Imperial Topaz, Bixbite( Red Beryl), Russian Demantoid Garnet.
07/02/2023

Rare gemstones. Black Opal, Pink Imperial Topaz, Bixbite( Red Beryl), Russian Demantoid Garnet.

12/12/2019

Address

Cleveland, OH

Telephone

(216) 241-4367

Website

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