18 KT White gold pearl and diamond rings. This beautiful ring contains a grayish black south sea pearl that measures 15 MM. Around the pearl are 6 marquee shape and round shape natural diamonds with a total weight of 2.20 Ct. The diamonds are rated G-H color and VS2-SI1 clarity. The finger size of the ring is 6 and can be re sized from 5-9. The total weight of gold is 15.4 grams.