
GemEx
About GemEx
GemEx provides diamond evaluation equipment and services to diamond cutting facilities, wholesale businesses, and retailers worldwide. The company specializes in diamonds, brilliance, fire, sparkle, and diamond certification. It is based in Mequon, Wisconsin.
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GemEx Patents
GemEx has filed 12 patents.
The 3 most popular patent topics include:
- Aluminium minerals
- Digital typography
- Gemstones

Application Date | Grant Date | Title | Related Topics | Status |
---|---|---|---|---|
12/4/2015 | 9/7/2021 | Photovoltaics, Lighting, Light fixtures, Street lighting, Energy conversion | Grant |
Application Date | 12/4/2015 |
---|---|
Grant Date | 9/7/2021 |
Title | |
Related Topics | Photovoltaics, Lighting, Light fixtures, Street lighting, Energy conversion |
Status | Grant |
GemEx Frequently Asked Questions (FAQ)
Where is GemEx's headquarters?
GemEx's headquarters is located at 6040A West Executive Drive, Mequon.
Who are GemEx's competitors?
Competitors of GemEx include Rosy Blue and 4 more.
Compare GemEx to Competitors
Lazare Kaplan International cuts, polishes and sells diamonds. It sells diamonds to retail jewelers internationally under the brand name Lazare Diamonds. It also sells diamonds through wholesalers and distributors. It is based in New York City, New York.
The Clear Cut offers a concierge service for consumers to design their own diamond engagement rings. The idea is to offer a personalized experience and product at significant savings compared to the big-name jewelry stores. The Clear Cut was founded in 2018 and is based in New York, New York.

Diamondere.com is a made-to-order fine jewelry e-commerce platform built on a 122 year old family legacy. In the past, the family used to make jewelry made-to-order for the Royals, celebrities, and dignitaries. Through the platform, a customer can personalize and buy jewelry seamlessly online. It is vertically integrated with in-house designing and manufacturing. Diamondere eliminates middlemen and ship directly to the consumer, resulting in 30-75% lower prices than traditional retail.

Vestiaire Collective owns and operates an online platform that allows users to buy and sell pre-owned luxury fashion products. The company’s platform allows users to buy and sell shoes, clothing, accessories, jewelry, bags, and watches for men, women, boys, and girls. It also lists lifestyle products such as design and decoration, arts and culture, sports and leisure, and high-tech products, as well as pet accessories. Vestiaire Collective was founded in 2009 and is based in Paris, France.

Diamond Standard produces diamond commodities and develops technology for diamond market-maker and commodity producers. It focuses on the potential of natural diamonds as a hard asset for investors, like gold, silver, and platinum. The platform transacts diamonds digitally using an integrated blockchain token. It was formerly known as BitCarbon Inc. and changed its name to Diamond Standard Ltd. The company was founded in 2018 and is based in New York, New York.
Worthy offers an online and secure marketplace for pre-owned luxury goods. It helps private sellers to auction high-value items including diamonds, brand-named watches, jewelry, gemstones, and precious metals to a market of committed buyers. The company was founded in 2011 and is based in New York, New York.
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