What is the millimeter size of a 1 carat Round Cut Diamond? Use our diamond size chart to predict the carat weight by the mm diameter of a round diamond. Use our diamond size chart to understand the millimeter (mm) size of each diamond shape. . Shop round Diamonds. Round MM Size, Round Carat Weight . Round Diamond Size Chart. Round brilliant diamonds are among the most versatile and aesthetically pleasing shape for diamonds in the world. At its most . Click on the the cut to view its millimeter to carat conversion chart. Round; Princess; Asscher; Marquise; Radiant; Cushion; Pear; Oval; Heart; Trillion; Emerald . The following diamond size charts and tables will help you visualize how a . the standard 57 facets round brilliant cut is the most popular choice of shape. DIAMOND CARAT WEIGHT AND DIAMETER SIZE CHART . The size of a 1-carat round brilliant diamond can range from approximately 6.20 mm to 6.80 mm in . However, all one carat diamonds of the same shape (such as 'round brilliant' or 'marquise') are approximately the same size. While there's still some room for . 19 de abr de 2017 - *Sizing is based on averages for a brilliant round diamond. Consult with a professional member of our Diamonds.Pro team for more details. for the Popular Brilliant Shape Ideal Round Brilliant Diamond carat size comparison, images in millimeters, centimeters. Measurements can differ! Shallow cut .