Vertical Diamonds Knit and Purl Stitch.

Vertical Diamonds Knit and Purl Stitch.

Lace Diamonds within Diamonds Knit Stitch.

Knit and purl diamond knitting stitch.

Interesting Free Knitting Stitch with Rhombus Pattern. Multiples of 16 with 8 stitches before and 9 after for symmetry set over 24 rows.

Lace Argyle Diamond Lace Knitting Stitch Free.

Diamond panel for a pullover.

Triangular Wheat Knit Stitch Chart.

Triangle lace knit stitch 3 variations. Here is good post for translating Russian knitting symbols.

Large Diamond Lace with Cable Inside Knitting Stitch.

Elongated Diamonds Knit Stitch.