From the Knit Rowan website:
Knit this elegant, feminine sweater by Galina Carroll in Kidsilk Haze. Available as a paid pattern download it features a painterly floral colourwork motif making it suitable for the more experienced knitter.

Finished chest width dimensions:
42.5: 44: 46.5: 49: 52: 55: 58.5: 61: 63: 66.5 cm
16½: 17½: 18½: 19½: 20½: 21½: 23: 24: 25: 26 inches

Yarn information:
Photographed with Rowan Kidsilk Haze
A - Pearl 590
4, 4, 4, 4, 5, 5, 5, 5, 6, 6 skeins
916, 916, 916, 916, 1145, 1145, 1145, 1145, 1374, 1374 yards

B - Steel 664
1, 1, 1, 1, 1, 1, 1, 1, 1, 1 skein
229, 229, 229, 229, 229, 229, 229, 229, 229, 229 yards

C - Anthracite 639
1, 1, 1, 1, 1, 1, 1, 1, 1, 1 skein
229, 229, 229, 229, 229, 229, 229, 229, 229, 229 yards

D - Grace 580
1, 1, 1, 1, 1, 1, 1, 1, 1, 1 skein
229, 229, 229, 229, 229, 229, 229, 229, 229, 229 yards

E - Wicked 599
1, 1, 1, 1, 1, 1, 1, 1, 1, 1 skein
229, 229, 229, 229, 229, 229, 229, 229, 229, 229 yards