The Diamond Treble Square: Part 3 of the Geometric Squares Crochet Blanket

Diamond Treble Square

I love combining the treble crochet stitch with the single crochet! Instant texture, with practically no effort. And combining those stitches to create a diamond or rhombus is the perfect shape for this stitch.

The Diamond Treble Square is the third pattern featured in the Geometric Squares Crochet Blanket. The blanket is made up of four different designs and in case you missed previous posts about it, part 1 of the series featured the Triangle Puff Square and part 2 was the Square Berry Square.

Each crochet square measures approximately 8×8 inches. However, all four pattern designs can be easily adapted. You can use different colours or make the square bigger or smaller. You can also use the designs to make lots of other things like a hot pad, dishcloth, scarf, shawl or garment. The options are endless!

Now on to making the Diamond Treble Square! You will find the detailed written instructions below and directly below a video tutorial. I am using US terminology only for this pattern.

Diamond Treble Square crochet pattern video tutorial:

For the Diamond Treble Square, you will need:

  • 4.00 mm crochet hook
  • DK yarn, I used Paintbox simply DK 100% acrylic in Raspberry Pink (143) but you can use any other colour or yarn. If you use a different yarn you might end of up with a differently sized crochet square
  • Tapestry needle to weave in your ends
  • Pair of scissors

Crochet stitches used in this pattern:

The Diamond Treble Square pattern uses two beginner-friendly stitches: the single crochet stitch and the treble stitch. You can watch detailed video stitch tutorials here:

To make the Diamond Treble Square:

  • Make a loop and CH 32.
  • Row 1: Single crochet (SC) in the second chain from hook. SC across the remaining CHs. You should have a total of 31 stitches. CH 1 and turn.
  • Row 2: SC in the first 3 stitches. *Make one treble stitch (TR). SC in the next 11 stitches. Repeat from * one more time. 1 TR and 3 SCs. CH 1 and turn.
  • Row 3: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Row 4: 2 SCs, *1 TR, 1 SC, 1 TR, 9 SCs. Repeat from * for another one time. 1 TR, 1 SC, 1 TR and 2 SCs. CH 1 and turn.
  • Row 5: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Row 6: 1 SC, *1 TR, 1 SC, 1 TR, 1 SC, 1 TR, 7 SCs. Repeat from * one more time. 1 TR, 1 SC, 1 TR, 1 SC, 1 TR and 1 SC. CH 1 and turn.
  • Row 7: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Row 8: 2 SCs, *1 TR, 1 SC, 1 TR, 4 SCs, 1 TR, 4 SCs. Repeat from * one more time. 1 TR, 1 SC, 1 TR and 2 SCs. CH 1 and turn.
  • Row 9: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Row 10: 3 SCs, *1 TR, 4 SCs, 1 TR, 1 SC, 1 TR, 4 SCs. Repeat from * one more time. 1 TR and 3 SCs. CH 1 and turn.
  • Row 11: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Row 12: *7 SCs, 1 TR, 1 SC, 1 TR, 1 SC, 1 TR. Repeat from * one more time. 7 SCs, CH 1 and turn.
  • Row 13: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Row 14: 3 SCs, *1 TR, 4 SCs, 1 TR, 1 SC, 1 TR, 4 SCs. Repeat from * one more time. 1 TR, 3 SCs, CH 1 and turn.
  • Row 15: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Row 16: 2 SC, *1 TR, 1 SC, 1 TR, 4 SCs, 1 TR, 4 SCs. Repeat from * one more time. 1 TR, 1 SC, 1 TR and 2 SCs. CH 1 and turn.
  • Row 17: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Row 18: 1 SC, *1 TR, 1 SC, 1 TR, 1 SC, 1 TR, 7 SCs. Repeat from * one more time. 1 TR, 1 SC, 1 TR, 1 SC, 1 TR and 1 SC. CH 1 and turn.
  • Row 19: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Rows 20-29: repeat rows 8-17.
  • Row 30: repeat row 18.
  • Row 31: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Row 32: Repeat row 4.
  • Row 33: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.
  • Row 34: Repeat row 2.
  • Row 35: SC in all the stitches. You should have a total of 31 stitches. CH 1 and turn.

If you prefer to follow a pattern schematic, here is one for the Diamond Treble Square. Empty cells represent a single crochet and cells marked with an ‘X’ represent treble crochet stitches. Remember to CH 1 at the end of each row, this is your turning chain and does not count towards your stitches.

Happy Crochet

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