We here at Boulder Jewelry Company carefully create our inventory by hand selecting every piece in stock. This allows us to offer the highest quality and broadest selection of ideal cuts and AGS zero cuts in certified and commercial grades. Our vendors are members of the New York Diamond exchange, Tel Aviv Diamond Exchange and Gemological Institute of America. All diamonds in the Boulder Jewelry Company inventory have been purchased from legitimate sources not involved in funding conflict, and are in compliance with United Nations regulations. We guarantee that our diamonds are conflict free based on personal knowledge and or written guarantees provided by our suppliers of diamonds.