This semi-mounting has a halo of 16 round full-cut diamond, the openwork undercarriage is 18k rose gold, completed by an 18k white gold band, decorated by 14 round full-cut diamonds, all 30 diamonds weighing a total of approximately .25 carat, bead set, VS clarity, G-H color, gross weight 4.0 grams, ring size 4 3/4. Note: can be sized up or down 2 sizes at no additional cost.