Rhombus
Row 1: Purl 4, * knit 1, purl 5; repeat from * to last 2 stitches, knit 1, purl 1.
Row 2: Knit 1, * purl 1, knit 5; repeat from * to last 5 stitches, purl 1, knit 4.
Row 3: Purl 3, * knit 2, purl 4; repeat from * to last 3 stitches, knit 2, purl 1.
Row 4: Knit 1, * purl 2, knit 4; repeat from * to last 5 stitches, purl 2, knit 3.
Row 5: Purl 2, * knit 3, purl 3; repeat from * to last 4 stitches, knit 3, purl 1.
Row 6: Knit 1, * purl 3, knit 3; repeat from * to last 5 stitches, purl 3, knit 2.
Row 7: Purl 1, * knit 3, purl 3; repeat from * to last 5 stitches, knit 3, purl 2.
Row 8: Knit 2, * purl 3, knit 3; repeat from * to last 4 stitches, purl 3, knit 1.
Row 9: Purl 1, * knit 2, purl 4; repeat from * to last 5 stitches, knit 2, purl 3.
Row 10: Knit 3, * purl 2, knit 4; repeat from * to last 3 stitches, purl 2, knit 1.
Row 11: Purl 1, * knit 1, purl 5; repeat from * to last 5 stitches, knit 1, purl 4.
Row 12: Knit 4, * purl 1, knit 5; repeat from * to last 2 stitches, purl 1, knit 1.
Repeat Rows 1 - 12.
Rhombu stitch in the round
