About Guyot Brothers Gemstones
Our mission, vision, and story.
Our Story
Guyot Brothers specializes in precision gemstone cutting, calibrated stones, and custom lapidary since 1904.
Four generations of master gem cutters maintaining the highest standards in the American jewelry industry for over 120 years.
Based in Providence, Rhode Island, we are committed to excellence, innovation, and meaningful impact.
Our Values
- Excellence in everything we do
- Integrity and transparency
- Innovation and continuous learning
- Community and collaboration
- Sustainability and responsibility