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About Uncut Carbon


Uncut Carbon is the premier American manufacturer of fine rough diamond engagement rings, earrings and pendants.
We are fourth generation fine jewelers and our manufacturing is all done to finest quality standards here in New York City.
Our diamonds are all ethically sourced from established prime suppliers in full compliance with the Kimberly Process.
We produce rough diamond jewelry in series and custom pieces to your design.
Our jewelry is fully guaranteed against defect and should any need for service arise we are at your service.
We welcome contact with our customers and anyone interested in rough diamond jewelry.  For any thoughts or inquiries please contact info@uncutcarbon.com