There are two versions of this design. The shorter version is shown with side seams, and the longer version is simply tied on each side.

You will need a cable needle.

Finished measurements:
Bust circumference (either seamed or tied): 32.25( 37.5, 40.25, 45.75, 48.5, 54.25, 57, 62.5, 65)“ 82( 95.5, 102.5, 116.5, 123.5, 137.5, 144.5, 158.5, 165) cm
Finished length - shorter version: 24.5( 25.4, 26, 26.75, 27.5, 28.25, 29.5, 30)” 62( 64, 66, 68, 70, 72, 73, 75, 76) cm
Longer length: 27( 28, 28.75, 29.5, 30.25, 31, 31.5, 32.25,33) “ 69( 71, 73, 75, 77, 79, 80, 82, 84) cm

Yarn used:
Shorter Version with side seams
Rowan Summerlite DK
Shade 467 Coral Blush - 6(6, 7, 8, 9, 10, 11, 12, 12) balls

Longer version with side teis
Rowan Summerlite Dk
Shade 457 Lagoon - 7(8, 9, 10, 11, 12, 13, 14, 15) balls