Women's 0.90 ctw Round Diamond Halo Cathedral Style 14KT Gold Engagement Ring. This ring is a size 7 3/4. Featuring one round brilliant cut diamond in the center of the ring. This ring has a carat weight of 0.21 ctw with a clarity of SI-2 with a H color. This ring also features 68 additional around cut diamonds with a total carat weight of 0.69 ctw. These diamonds have a clarity range of SI1 to SI2 with a color range of G to H.