You will also need size US 3 ( 3.25 mm) circular needles at least 32” (80 cm) long for the ruffle.
Also needed - stitch holders

Finished measurements:
Back width: 10.25(10.75 ,11, 11.5, 11.75)“ 26( 27, 28, 29, 30) cm
Finished length: 10.75(11.5, 12.25, 13, 13.75)” 27(29, 31, 33, 35) cm
Sleeve length to armhole: 6.25(7, 7.75, 8.75, 9.75)“ 16(18, 20, 22.5, 25) cm

Yarn used:
Rowan Summerlite DK
Shade 347 Coral Blush - 3(3, 3, 4, 4) balls