18 KT White gold diamond ring. This beautiful one of a kind piece contains a round shape natural black diamond in the center with a weight of 3.01 CT. Around the black diamond are round shape natural white diamonds with a total weight of 0.50 Ct. The diamonds are rated F color and VS2 clarity. The finger size of the ring is 7 and can be re sized from 4-9. The total weight of the ring is 4.6 grams.