A combination of knit, purl, and slipped stitches. The Diamond Honeycomb is quite an easy pattern enough to master.

Knitted in a multiple of 6 sts + 5 and a 12-row repeat.
Row 1 - Wrong side: K1, * sl 3 wyib, k3; rep from * to last 4 sts, sl 3 wyib, k1.
Row 2 - Right side: P1, * sl 3 wyif, p3; rep from * to last 4 sts, sl 3 wyif, p1.
Row 3: Purl.
Row 4: Knit.
Row 5: Purl.
Row 6: K2, * k1 uls, k5; repeat from * to last 3 sts, k1 uls, k2.
Row 7: K4, * sl 3 wyib, k3; rep from * to last st, k1.
Row 8: P4, * sl 3 wyif, p3; rep from * to last st, p1.
Row 9: Purl.
Row 10: Knit.
Row 11: Purl.
Row 12: K5, * k1 uls, k5; repeat from * to end.

Knitting abbreviations:
Knit: K | Purl: P | Slip stitch purlwse: Sl.
Wyif: with yarn in front | Wyib: With yarn in back.
K1 uls: Knit 1 under loose strands. (Insert needle under the loose strands and knit the next stitch)