This is a pattern for Diamond Lace Jumper, originally designed for Knit Today. It is in Rowan Big Wool a really chunky yarn, which makes the diamond motif really big in scale, and quick to knit. The sizes are to fit 32-46 ins chest in multi sizes. Length 54-61 cm (21 1/4-24 ins).
Photo can be seen along with all garments available on Ravelry on Flikr Sian Brown Published Work Garments.https://www.flickr.com/photos/16677016@N05/albums/72157661279369235