Free Diamond Stitch Pillow Crochet Pattern

Diamond Stitch Cushion Pattern

Thanks for checking out my Diamond stitch pillow crochet pattern. I bought some lovely silver yarn to make something for myself, somehow it ended up being something for our home, ha! I can’t be the only one who struggles to treat myself?

I did really need some new cushions, I’m so happy with how this one turned out and I’m looking forward to making more.

The Diamond stitch cushion measures 18″ x 18″. It has a truly beautiful texture and looks really modern and cosy.

As the name suggests, its made using the diamond stitch. If you have not tried the stitch yet, this is a lovely project to give it a go. You won’t be disappointed!

How to crochet a diamond stitch cushion

The Diamond stitch cushion crochet pattern is intermediate skill level. The diamond stitch is a 4 row repeat and is easy enough once you get going.

You will need to know your basic crochet stitches to complete the pattern as well as ‘front post treble crochet 2 together’ (instructions included).

Each side of the cushion is made separately and they are joined together at the end using single crochet to give a nice neat ridge.

There is no sewing involved in this pattern. To make the diamond cushion I used Aran (weight 4) yarn. I also used a 5mm crochet hook but you may need to adjust your hook after completing your gauge swatch to ensure a good fit to your 18″ cushion. The diamond cushion uses approximately 410g (804m/880yd) of yarn.

Why You’ll Love The Free Diamond Stitch Pillow Crochet Pattern

• No sew project with no color changes
• Intermediate skill level project
• Free crochet pattern with the option to upgrade
• Uses worsted/aran/weight 4 yarn
• Perfect for any modern home and fans of crochet texture!

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Crochet pattern information

Supplies

• 5mm crochet hook
• Worsted yarn
• 18″ pillow

Yarn

• Weight – Aran / Worsted / #4
• Brand – Stylecraft Special Aran
• Silver – 880 yards

Size & Gauge

• 4 rows of 7 dc = just over 2″ x 2″ gauge swatch
• Finished size: W 18″ x H 18″

Pattern notes

• Chains and finishing slip stitches are not included in stitch count.
• Stitches separated with a comma are to be made in separate spaces. For example, “sc, dc” would mean “single crochet in first space, double crochet in next space”.
• Pink yarn in the photos is used to highlight the current stitch/row.
• Numbers in brackets are the number of rows/stitches.
• For extra help see the diamond stitch tutorial

Abbreviations

US Terminology (UK Translation)

• ch – Chain
• dc – Double crochet
• FP – Front post
• sc – Single crochet
• sl st – Slip stitch
• st / sts – Stitch / stitches
• tr – Treble crochet
• tr2tog – Treble crochet 2 together

FP tr2tog instructions

• Yarn over twice
• Insert hook under front post & pull up a loop
• Yarn over, pull through 2 loops on the hook – 2 times
• Repeat the above steps for 2nd front post
• Yarn over & pull through 3 loops on the hook

Skill Level

Intermediate

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Diamond cushion – free crochet pattern

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Cushion

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Row 1

• ch x 68 then start in 2nd ch from hook
• sc x 67
• ch 2 & turn
• (67 sts)

Row 2

• dc x 67
• ch 1 & turn
• (67 sts)

Row 3

• sc x 3
• Drop down to row 1
• FP tr2tog in 2nd & 6th sc
• *sc x 3 (in current row)
• Drop down to row 1
• FP tr2tog. 1/2 in same stitch as last FPtr, skip 3 sts, 1/2 in next sc stitch*
• Continue the pattern of *sc x 3, FP tr2tog* 14 more times
• sc x 3 (in current row)
• ch 2 & turn
• (67 sts) *Premium pattern has 3 images here*

Row 4

• dc x 67
• ch 1 & turn
• (67 sts)

Row 5

• sc x 1
• Drop down to previous sc row
• FPtr in same stitch as last tr2tog
• *sc x 3 (in current row)
• Drop down to previous sc row
• FP tr2tog in last & next tr2tog stitches*
• Continue the pattern of *sc x 3, FP tr2tog* 14 more times
• sc x 3 (in current row)
• Drop down to previous sc row
• FPtr in same stitch as last tr2tog
• sc x 1 (in current row)
• ch 2 & turn
• (67 sts) *Premium pattern has 2 images here*

Row 6

• dc x 67
• ch 1 & turn
• (67 sts)

Row 7

• *sc x 3 (in current row)
• Drop down to previous sc row
• FP tr2tog in last & next tr2tog stitches*
• Continue the pattern of *sc x 3, FP tr2tog* 15 more times
• sc x 3
• ch 2 & turn
• (67 sts) *Premium pattern has image here*

Row 8 – 51

• Repeat rows 4 – 7 : 11 more times
• (44 rows) *Premium pattern has image here*

Round 52

• We will now crochet around the square to neaten edges. Work with the wrong side facing you so you can easily see the rows.
• sc x 67 (in previous row)
• sc x 51 (1 at the end of each row)
• sc x 67 (in row 1 chains)
• sc x 51 (1 at the end of each row)
• sl st to join to 1st st, fasten off
• (236 sts)

Back of pillow

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• Repeat rows 1-52 to make the second side of the pillow

Assembly round

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• We will now join both squares together and add the pillow. Make all the following stitches through both pieces.
• sc x 67, skip chain space & ch 1
• sc x 51, skip chain space & ch 1
• sc x 67 skip chain space & ch 1
• Insert cushion
• sc x 51
• sl st to join to 1st st, fasten off & weave in ends
• (236 sts) *Premium pattern has image here*

Published: November 24, 2022 | Last Updated: June 10, 2026