Small diamond (pattern)
Stitch an arrow of three stitches each over two threads (one vertical and two diagonal) each going into the same hole at the top. Each arrow should be symmetrical.
Structure of stitch
Identifying Small diamond (pattern)
Rows of diamonds with a vertical stitch running from the top point of the diamond to the middle of the diamond shaped space.
Various Authors, The Royal School of Needlework Book of Embroidery (2018) , p.141