PLATINUM VS G Natural Diamond band 1.75cttw 10% iridium Marquise cut and Round

10% Iridium platinum diamond band. solid Ring weighing 5.53 dwts Set in the center are 7 Marquise cut diamonds est total weight of 1cts. Flanked on each side by a row of 8 round full cut diamonds: 16 = estimated weight of .75 cts. All marquise are set in chevrons, and all rounds are prong set. VS-SI clarity and G color I believe it is size 6 1/4