0.87 cttw Cathedral Filigree Early Modern Brilliant 14KT Rose Gold Ring - 9.9g. This ring is a size 7 1/4. Featuring one stunning early modern brilliant cut diamond in the center with a carat weight of 0.50 ctw. This diamond has a clarity of SI-2 with a J color and good cut. This ring also features 58 round cut diamonds with a total approximate carat weight of 0.37 cttw.