Pentagon Gem Cutters

Pentagon Gem specializes in selling gemstones and diamonds, as well as precision cutting and repair of colored gemstones. Founded over a decade ago by master gem cutter Itamar Pimenta, the company strives to provide customers with the best gemstones and services.

Our master artisans and lapidarists perform services for the retail and wholesale industry of fine jewelry, throughout the United States and the world, cutting and repairing all kinds of colored gems.

Pentagon is your trusted name and source of fine diamonds and gemstones. You can always count on us to provide you with excellent goods and service.

The Founder

Itamar Pimenta
Founder / Master Lapidarist

Brazilian born Itamar Pimenta is a master gem cutter and has been working with gemstones for over 25 years. Recognized as one of the top lapidarists in the USA, his services have been requested not only in the United States, but also in Latin America, Asia, Europe and Australia.