Tiffany & Co. 3.91 Ct. Round Brilliant Cut Diamond Engagement Ring

This engagement ring features a 3.91 carat round brilliant cut diamond with a colorless rating, set in a Tiffany & Co. setting. The round brilliant cut is the most common diamond shape, optimized for light return through its 58-facet structure. No treatment information, clarity grade, or certification details are provided in the available specifications. The ring is listed through 1stdibs.com.