Daciana is worked top down with one gradient set. All sizes can get away with one set - you use less than half of each color for most sizes, and the Pale Lime used for the borders is enough for all sizes.

Colors Used:

Dragonfly Fibers Traveller
(100% Superwash merino; 280 yds / 4 oz)
MC: Dirty Martini 3 (3, 4, 4, 5, 5, 5) skeins.

Mini skeins - 140 yds / 2 oz
CC1: Beauty School Dropout (coral); 1skein.
CC2: Blue Moon (light blue); 1 skein.
CC3: Mid-century Magnolia (peach); 1skein.
CC4: Hairspray (dark blue); 1 skein.
CC5: Pale Lime (light green); 1 skein.

You could easily use leftovers for all the stripes, or just make this a two-color sweater. If you are working a size that just bumps up to the next number of MC skeins needed, you should be ok with just the extra yardage from the mini skein of the MC in the set.