From the Knit Rowan website:
Knit this women’s cable and lace sweater from the Truesilk Collection, designed by Martin Storey using the stunning yarn, Truesilk (mulberry silk). With elbow length set-in sleeves, round neck and a beautiful cable and lace stitch pattern throughout, this knitting pattern is suitable for the experienced knitter.

Finished width dimensions:
44.5: 49.5: 56: 62: 69 cm
17.5: 19.5: 22: 24.5: 27 inches

Yarn Information:
Photographed in Sleep 339
7, 8, 9, 10, 12 skeins
1148, 1312, 1476, 1640, 1968 yards